HomeDocs changes
Documentation changes
What the docs quietly changed.
Anthropic's published documentation, fetched on a schedule and diffed against the last copy. Every edit dated, including the ones that never made a release note.
Last poll read all 4 cleanly: Claude Code CLI, Claude Developer Platform, Claude Documentation, Model Context Protocol. A date here is when this site noticed, not when Anthropic edited.
Claude Developer Platform
821pages tracked
767 changed this week · last read 24 Oct 2026
Claude Code CLI
228pages tracked
146 changed this week · last read 24 Oct 2026
Claude Documentation
280pages tracked
69 changed this week · last read 24 Oct 2026
Model Context Protocol
357pages tracked
171 changed this week · last read 23 Oct 2026
100 on this page
ReadSourcePageWhatLines
8 Oct 2026
301 pages
+64234 −29772 lines
claude-code
plugin-evals
±changed
+25−4
claude-codechanged
plugin-evals
* **`type: agent`**: set `type: agent` to have the judge model answer as the server from instructions in the body.
* **`type: agent`**: set `type: agent` to have the judge model answer as the server from instructions in the body. Calls to agent mocks share one [budget per run](#mock-call-budget
| `cases[].arms.with[].aborted` | Present when a [mock](#mock-mcp-servers)'s `expect:` or `abort_when` stopped the run, with `server`, `tool`, and `reason`. The run scores 0 and `e
| `cases[].arms.with[].aborted` | Present when a [mock](#mock-mcp-servers) stopped the run through `expect:`, `abort_when`, or the [agent-mock call budget](#mock-call-budget-exceed
| `expect` | unset | A map from dotted input paths to a type name such as `string`, `number`, `boolean`, `array`, or `object`, a `/regex/`, a literal, or a list of allowed literals
+25 −4 lines
Upstream edited 8 Oct 2026 02:20 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
network-config
±changed
+1−1
claude-codechanged
network-config
| Byte-level watchdog | No bytes arrive on the wire, including SSE keep-alive pings | Direct Anthropic API, [Claude Platform on AWS](/docs/en/claude-platform-on-aws), and [gateway]
| Byte-level watchdog | No bytes arrive on the wire, including SSE keep-alive pings | Direct Anthropic API, [Claude Platform on AWS](/docs/en/claude-platform-on-aws), and [gateway]
+1 −1 lines
Upstream edited 8 Oct 2026 02:16 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
plugins/marketplace-reference
±changed
+3−1
claude-codechanged
plugins/marketplace-reference
| `plugins.i.source: Invalid string: must start with "./"` | Error | A relative-path `source` without the leading `./`. Before v2.1.285, this mistake printed `Invalid input` instea
* A relative path that doesn't start with `./`, other than `"."` or a [bare name under `metadata.pluginRoot`](#relative-path-plugin-source)
A relative path that doesn't start with `./`, other than `"."` or a [bare name under `metadata.pluginRoot`](#relative-path-plugin-source), fails with `Invalid string: must start wi
+3 −1 lines
Upstream edited 8 Oct 2026 02:16 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
model-config
±changed
+5−4
claude-codechanged
model-config
When Claude Code switches your session to the fallback model, it keeps the effort level the flagged request ran at in place of that model's default effort. For example, a session o
When Claude Code switches your session to the fallback model, it keeps the effort level the flagged request ran at. For example, a session on Opus 5.5 at its default `medium` that
* **Settings or organization default**: a level in your settings that applies to the fallback model, or a default effort your organization set for it, applies instead.
The session header shows the level in effect next to the model name. To change it, run `/effort` in the session.
In the session, run `/effort status` to see the level in effect, or `/effort` to change it.
+5 −4 lines
Upstream edited 8 Oct 2026 02:12 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
plugins/org
±changed
+30−32
claude-codechanged
plugins/org
<Note>
These cases are covered on other pages:
* **Installing plugins for yourself**: start at [Install plugins](/docs/en/plugins/install)
* **Controlling which plugins members can use in claude.ai and Cowork**: see [Manage plugins for your organization](https://claude.com/docs/plugins/admin) on claude.com
+30 −32 lines
Upstream edited 8 Oct 2026 02:11 UTC Recorded here 20 Oct 2026 18:37 UTC
claude-code
plugins/org
±changed
+1−1
claude-codechanged
plugins/org
| [`allowManagedModsOnly`](/docs/en/plugins/mods/admin#stop-user-installed-mods-from-loading) | Stops every installed [mod](/docs/en/plugins/mods/overview) that doesn't [count as y
| [`allowManagedModsOnly`](/docs/en/plugins/mods/admin#stop-user-installed-mods-from-loading) | Stops every installed [mod](/docs/en/plugins/mods/overview) that doesn't [count as y
+1 −1 lines
Upstream edited 8 Oct 2026 02:11 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
plugins/mods/troubleshoot
±changed
+2−2
claude-codechanged
plugins/mods/troubleshoot
An organization can also set `allowManagedModsOnly` to allow only its own mods, which this command doesn't report. In that case a mod you install doesn't load, and [a message says
An organization can also set `allowManagedModsOnly` to allow only its own mods, which this command doesn't report. In that case Claude Code refuses a mod you install, and [a messag
| `mods are limited to your organization's by policy (allowManagedModsOnly)` | Your organization allows only [its own mods](/docs/en/plugins/mods/admin#install-your-organizations-m
| `mods are limited to your organization's by policy (allowManagedModsOnly)` | Your organization allows only [its own mods](/docs/en/plugins/mods/admin#install-your-organizations-m
+2 −2 lines
Upstream edited 8 Oct 2026 02:11 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
plugins/mods/reference
±changed
+1−1
claude-codechanged
plugins/mods/reference
| `allowManagedModsOnly` | Managed settings, as an [option on the built-in guard](/docs/en/plugins/mods/admin#set-options-on-the-built-in-guard) | Only mods that [count as your org
| `allowManagedModsOnly` | Managed settings, as an [option on the built-in guard](/docs/en/plugins/mods/admin#set-options-on-the-built-in-guard) | Only mods that [count as your org
+1 −1 lines
Upstream edited 8 Oct 2026 02:11 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
plugins/mods/admin
±changed
+10−10
claude-codechanged
plugins/mods/admin
To keep every mod your users bring from loading, set the `allowManagedModsOnly` option on the [built-in guard](#know-what-happens-by-default), a policy mod that Claude Code loads a
To keep every mod your users bring from running its hooks, set the `allowManagedModsOnly` option on the [built-in guard](#know-what-happens-by-default), a policy mod that Claude Co
* **No mod a user brings loads**: that covers a mod in a plugin the user installed, a mod loaded with `--plugin-dir`, and a mod [Claude wrote during a session](/docs/en/plugins/mod
* **Your organization's mods still load**: a mod that [counts as your organization's](#install-your-organizations-mods) isn't checked. Every other mod counts as a user's and doesn'
* **No mod a user brings runs its hooks**: that covers a mod in a plugin the user installed, a mod loaded with `--plugin-dir`, and a mod [Claude wrote during a session](/docs/en/pl
+10 −10 lines
Upstream edited 8 Oct 2026 02:11 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
desktop
±changed
+31−2
claude-codechanged
desktop
### Accept a suggested prompt
After Claude replies, the Code tab can show a suggested next prompt as gray text in the empty prompt box. Claude Code [generates each suggestion](/docs/en/interactive-mode#prompt-s
* **Use the suggestion**: press **Tab** or **Right arrow** to place it in the prompt box, edit it if you want, then press **Enter** to send it. Pressing **Enter** before you accept
+31 −2 lines
Upstream edited 8 Oct 2026 02:10 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
sub-agents
±changed
+2−0
claude-codechanged
sub-agents
If an installed [mod](/docs/en/plugins/mods/overview) sets a model in its [`agent.spawn`](/docs/en/plugins/mods/reference#subagents) hook, Claude Code uses that model in place of t
+2 −0 lines
Upstream edited 8 Oct 2026 02:10 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
agent-teams
±changed
+2−0
claude-codechanged
agent-teams
If an installed [mod](/docs/en/plugins/mods/overview) sets a model in its [`agent.spawn`](/docs/en/plugins/mods/reference#subagents) hook, Claude Code uses that model in place of t
+2 −0 lines
Upstream edited 8 Oct 2026 02:10 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
remote-control
±changed
+3−3
claude-codechanged
remote-control
The same toggle appears outside the CLI:
* **Desktop app**: **Settings > Claude Code > Connect new sessions to Remote Control**.
The VS Code extension and the Desktop app also have an auto-connect toggle:
+3 −3 lines
Upstream edited 8 Oct 2026 02:09 UTC Recorded here 8 Oct 2026 03:07 UTC
claude-code
tools-reference
±changed
+3−3
claude-codechanged
tools-reference
A session can make at most 200 WebSearch calls, counted across the main conversation and every [subagent](/docs/en/sub-agents) it spawns, so searches made by parallel research fan-
Set the [`CLAUDE_CODE_MAX_WEB_SEARCHES_PER_SESSION`](/docs/en/env-vars) environment variable to change the cap; it accepts a positive whole number, so the cap can be raised but not
An interactive terminal session can make 200 WebSearch calls, counted across the main conversation and every [subagent](/docs/en/sub-agents) it spawns, so searches made by parallel
+3 −3 lines
Upstream edited 8 Oct 2026 02:07 UTC Recorded here 8 Oct 2026 03:07 UTC
api
release-notes/system-prompts/claude-haiku-5-5
+new page
+173−0
apinew page
release-notes/system-prompts/claude-haiku-5-5
No line of the body moved in this read.
+173 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
release-notes/overview
±changed
+5−15
apichanged
release-notes/overview
### October 7, 2026
### October 7, 2026
+5 −15 lines
Recorded here 8 Oct 2026 02:07 UTC
api
models/haiku-5-5/whats-new-haiku-5-5
+new page
+53−0
apinew page
models/haiku-5-5/whats-new-haiku-5-5
No line of the body moved in this read.
+53 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
models/haiku-5-5/overview
+new page
+139−0
apinew page
models/haiku-5-5/overview
No line of the body moved in this read.
+139 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
models/haiku-5-5/migration-guide
+new page
+151−0
apinew page
models/haiku-5-5/migration-guide
No line of the body moved in this read.
+151 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
models/haiku-4-5/overview
±changed
+2−4
apichanged
models/haiku-4-5/overview
description: "Claude Haiku 4.5 reference: lifecycle status, model IDs on every platform, context window, output limits, pricing, and migration resources. Claude Haiku 5.5 is the cu
description: "Claude Haiku 4.5 reference: lifecycle status, model IDs on every platform, context window, output limits, pricing, and migration resources. Claude Haiku 4.5 is a lega
The fastest model with near-frontier intelligence
## How it compares
+2 −4 lines
Recorded here 8 Oct 2026 02:07 UTC
api
models/haiku-4-5/migration-guide
−removed
+0−91
apiremoved
models/haiku-4-5/migration-guide
No line of the body moved in this read.
+0 −91 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/sessions
±changed
+1−1
apichanged
managed-agents/sessions
Each event in `initial_events` is validated and persisted before the create response returns, in list order, with a server-assigned ID, exactly as if you had posted it to the [send
Each event in `initial_events` is validated and persisted before the create response returns, in list order, with a server-assigned ID, exactly as if you had posted it to the [send
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/session-operations
±changed
+4−4
apichanged
managed-agents/session-operations
Only the agent's `tools` and `mcp_servers` can change after a session is created. To run a session with `model`, `system`, or `skills` values other than the agent's, use [agent con
Only the agent's `tools` and `mcp_servers` can change after a session is created. To run a session with `model`, `system`, or `skills` values other than the agent's, use [agent con
The session must be `idle` to update the agent. To update the agent while the session is running, send a [`user.interrupt` event](https://platform.claude.com/docs/en/managed-agents
The session must be `idle` to update the agent. To update the agent while the session is running, send a [`user.interrupt` event](https://platform.claude.com/docs/en/managed-agents
Archive a session to prevent new events from being sent while preserving its history. A `running` session cannot be archived; to archive one, send a [`user.interrupt` event](https:
+4 −4 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/session-observability
+new page
+114−0
apinew page
managed-agents/session-observability
No line of the body moved in this read.
+114 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/self-hosted-sandboxes-operations
±changed
+6−6
apichanged
managed-agents/self-hosted-sandboxes-operations
| Symptom | Cause
| --------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------
| The worker log contains `the work item carried no sessions token` (in Go, the `ErrSessionMemoryNoToken` error) and the work item fails. | The work item's per-session `secret` did
| The worker log contains `something already exists at the memory store's path`. | A directory left over from a previous se
| The worker log contains `cannot create the memory store's folder` and `the worker host must make this mount path writable`. | The user the worker runs as cannot creat
+6 −6 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/self-hosted-sandboxes-custom-tools
±changed
+1−1
apichanged
managed-agents/self-hosted-sandboxes-custom-tools
The worker answers only the tools registered with it. If a tool is declared on the agent but no worker or client serves it, the session pauses with a `requires_action` stop reason.
The worker answers only the tools registered with it. If a tool is declared on the agent but no worker or client serves it, the session pauses with a `requires_action` stop reason.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/reference
±changed
+4−4
apichanged
managed-agents/reference
| Type | Description
| ---------------- | -----------------------------------------------------------------------------------------------------------------------------------------------------------
| `system.message` | Append privileged system-level context that applies to the accompanying turn and all subsequent turns. Supported on Claude Fable 5.1, Claude Mythos 5.1, Cl
| Type | Description
| ---------------- | -----------------------------------------------------------------------------------------------------------------------------------------------------------
+4 −4 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/permission-policies
±changed
+20−2
apichanged
managed-agents/permission-policies
For example, a `bash` call paused under an `always_ask` policy appears on the stream as follows:
```json
{
"type": "agent.tool_use",
+20 −2 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/multiagent-orchestration
±changed
+1−1
apichanged
managed-agents/multiagent-orchestration
Each session thread has its own event stream at `/v1/sessions/{session_id}/threads/{thread_id}/stream`, and it accepts the same `event_deltas[]` parameter as the session-level stre
Each session thread has its own event stream at `/v1/sessions/{session_id}/threads/{thread_id}/stream`, and it accepts the same `event_deltas[]` parameter as the session-level stre
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/mcp-connector
±changed
+1−1
apichanged
managed-agents/mcp-connector
Session creation does not validate MCP connectivity or credentials. It does check each declared server's host against the environment's networking: with a `limited` environment, se
Session creation does not validate MCP connectivity or credentials. It does check each declared server's host against the environment's networking: with a `limited` environment, se
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/events-and-streaming
±changed
+1050−1927
apichanged
managed-agents/events-and-streaming
Communication with Claude Managed Agents is event-based. You send user events to the agent, and receive agent and session events back to track status.
Communication with Claude Managed Agents is event-based. You open a stream to follow a session, send events to direct it, and answer it when it pauses for input.
Events flow in two directions.
* **User events** and **system events** are what you send to the agent: `user.*` events start a session and steer it as it progresses; `system.message` appends system-level context
+1050 −1927 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/event-deltas
+new page
+889−0
apinew page
managed-agents/event-deltas
No line of the body moved in this read.
+889 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/dreams
±changed
+6−6
apichanged
managed-agents/dreams
Dreaming inputs include the pre-existing memory store and an array of sessions. The selected model runs the dreaming pipeline. During the research preview, `claude-opus-5`, `claude
Dreaming inputs include the pre-existing memory store and an array of sessions. The selected model runs the dreaming pipeline. During the research preview, `claude-opus-5-5`, `clau
| Limit | Value |
| --------------------- | --------------------------------------------------------------------------------------------------------------- |
| Sessions per dream | 100 |
+6 −6 lines
Recorded here 8 Oct 2026 02:07 UTC
api
managed-agents/budgets
±changed
+1−1
apichanged
managed-agents/budgets
To read usage from the stream and the session object, see [Tracking usage](https://platform.claude.com/docs/en/managed-agents/events-and-streaming#tracking-usage).
To read usage from the stream and the session object, see [Track usage](https://platform.claude.com/docs/en/managed-agents/session-observability#track-usage).
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
build-with-claude/prompt-engineering/prompting-claude-haiku-5-5
+new page
+133−0
apinew page
build-with-claude/prompt-engineering/prompting-claude-haiku-5-5
No line of the body moved in this read.
+133 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
build-with-claude/prompt-caching
±changed
+24−24
apichanged
build-with-claude/prompt-caching
| Model | Base input tokens | 5m cache writes | 1h c
| :------------------------------------------------------------------------------------------------------------------------------------ | :---------------- | :-------------- | :---
| Claude Fable 5.1 | $10 / MTok | $12.50 / MTok | $20
| Claude Mythos 5.1 ([limited availability](https://support.claude.com/en/articles/14604842)) | $10 / MTok | $12.50 / MTok | $20
| Claude Fable 5 | $10 / MTok | $12.50 / MTok | $20
+24 −24 lines
Recorded here 8 Oct 2026 02:07 UTC
api
build-with-claude/preserved-thinking
±changed
+1−1
apichanged
build-with-claude/preserved-thinking
* **A conversation that moves down to an earlier model loses Claude Fable 5.1's reasoning for that request.** This happens when a router sends a turn to a cheaper model, after a [c
* **A conversation that moves down to an earlier model loses Claude Fable 5.1's reasoning for that request.** This occurs when a router sends a turn to a cheaper model, after a [cl
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
build-with-claude/claude-on-amazon-bedrock-legacy
±changed
+0−1
apichanged
build-with-claude/claude-on-amazon-bedrock-legacy
| Claude Haiku 3.5 ([deprecated](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | `anthropic.claude-3-5-haiku-20241022-v1:0` | No | Yes | No | No
+0 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
build-with-claude/batch-processing
±changed
+23−23
apichanged
build-with-claude/batch-processing
| Model | Batch input | Batch output |
| :------------------------------------------------------------------------------------------------------------------------------------ | :----------- | :------------ |
| Claude Fable 5.1 | $5 / MTok | $25 / MTok |
| Claude Mythos 5.1 ([limited availability](https://support.claude.com/en/articles/14604842)) | $5 / MTok | $25 / MTok |
| Claude Fable 5 | $5 / MTok | $25 / MTok |
+23 −23 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/rate-limits
±changed
+36−36
apichanged
api/rate-limits
| Model | Maximum requests per minute (RPM) | Ma
| ------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------- | --
| Claude Fable 5.x1 | 1,000 | 50
| Claude Opus 5.5 | 1,000 | 2,
| Claude Opus 5 | 1,000 | 2,
+36 −36 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization/federation/rules/update
±changed
+1−1
apichanged
api/organization/federation/rules/update
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization/federation/rules/retrieve
±changed
+1−1
apichanged
api/organization/federation/rules/retrieve
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization/federation/rules/list
±changed
+1−1
apichanged
api/organization/federation/rules/list
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization/federation/rules/create
±changed
+1−1
apichanged
api/organization/federation/rules/create
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization/federation/rules/archive
±changed
+1−1
apichanged
api/organization/federation/rules/archive
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization/federation/rules
±changed
+6−6
apichanged
api/organization/federation/rules
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
+6 −6 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization/federation
±changed
+5−5
apichanged
api/organization/federation
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
+5 −5 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/organization
±changed
+5−5
apichanged
api/organization
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
What this rule targets. Check `type` before reading the other fields. Tokens minted via a rule whose target `type` is `service_account` act as that service account.
Identity that tokens minted via this rule act as. Currently always a `service_account` target.
+5 −5 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/models/retrieve
±changed
+35−3
apichanged
api/models/retrieve
Whether the model supports code execution tools.
Whether code that the model runs in the code execution tool can call the request's other tools, as in programmatic tool calling and dynamic filtering for web search and web f
- `server_tools: ServerToolsCapability`
Whether this model supports the web search and code execution server tools. `supported` is true when the model supports at least one of the tools. A supported tool can still
+35 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/models/list
±changed
+35−3
apichanged
api/models/list
Whether the model supports code execution tools.
Whether code that the model runs in the code execution tool can call the request's other tools, as in programmatic tool calling and dynamic filtering for web search and web f
- `server_tools: ServerToolsCapability`
Whether this model supports the web search and code execution server tools. `supported` is true when the model supports at least one of the tools. A supported tool can still
+35 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/models
±changed
+155−21
apichanged
api/models
Whether the model supports code execution tools.
Whether code that the model runs in the code execution tool can call the request's other tools, as in programmatic tool calling and dynamic filtering for web search and web f
- `server_tools: ServerToolsCapability`
Whether this model supports the web search and code execution server tools. `supported` is true when the model supports at least one of the tools. A supported tool can still
+155 −21 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/messages/create
±changed
+8−0
apichanged
api/messages/create
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+8 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/messages/count_tokens
±changed
+4−0
apichanged
api/messages/count_tokens
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+4 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/messages/batches/results
±changed
+4−0
apichanged
api/messages/batches/results
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+4 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/messages/batches/create
±changed
+4−0
apichanged
api/messages/batches/create
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+4 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/messages/batches
±changed
+20−0
apichanged
api/messages/batches
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
- `"claude-haiku-5-5"`
+20 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/messages
±changed
+7539−1
apichanged
api/messages
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+7539 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/errors
±changed
+1−1
apichanged
api/errors
Claude Haiku 5.5 accepts `thinking: {"type": "disabled"}` and holds it to the same two effort limits that apply to `between_tools`: at `xhigh` or `max` effort, or with a per-messag
Claude Haiku 5.5 accepts `thinking: {"type": "disabled"}` and holds it to the same two effort limits that apply to `between_tools`: at `xhigh` or `max` effort, or with a per-messag
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/organizations/settings/retrieve
±changed
+3−1
apichanged
api/compliance/organizations/settings/retrieve
- `name: "access_transparency_enabled" or "ai_powered_artifacts_enabled" or "api_workbench_feedback_collection_enabled" or 59 more`
- `name: "access_transparency_enabled" or "ai_powered_artifacts_enabled" or "api_workbench_feedback_collection_enabled" or 60 more`
- `"chat_cowork_unified_enabled"`
+3 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/organizations/settings
±changed
+6−2
apichanged
api/compliance/organizations/settings
- `name: "access_transparency_enabled" or "ai_powered_artifacts_enabled" or "api_workbench_feedback_collection_enabled" or 59 more`
- `name: "access_transparency_enabled" or "ai_powered_artifacts_enabled" or "api_workbench_feedback_collection_enabled" or 60 more`
- `"chat_cowork_unified_enabled"`
- `name: "access_transparency_enabled" or "ai_powered_artifacts_enabled" or "api_workbench_feedback_collection_enabled" or 59 more`
+6 −2 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/organizations
±changed
+3−1
apichanged
api/compliance/organizations
- `name: "access_transparency_enabled" or "ai_powered_artifacts_enabled" or "api_workbench_feedback_collection_enabled" or 59 more`
- `name: "access_transparency_enabled" or "ai_powered_artifacts_enabled" or "api_workbench_feedback_collection_enabled" or 60 more`
- `"chat_cowork_unified_enabled"`
+3 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/sessions/local/retrieve
±changed
+1−1
apichanged
api/compliance/apps/sessions/local/retrieve
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (the
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (the
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/sessions/local/messages/list
±changed
+1−1
apichanged
api/compliance/apps/sessions/local/messages/list
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (t
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/sessions/local/messages
±changed
+1−1
apichanged
api/compliance/apps/sessions/local/messages
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (t
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/sessions/local/list
±changed
+1−1
apichanged
api/compliance/apps/sessions/local/list
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (t
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/sessions/local
±changed
+5−5
apichanged
api/compliance/apps/sessions/local
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (t
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (the
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (the
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
+5 −5 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/sessions
±changed
+3−3
apichanged
api/compliance/apps/sessions
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (t
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (the
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine); `claude_code` (Claude Code); `claude_science` (Claude Science); `claude_in_chrome` (the
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
+3 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/chats/messages/list
±changed
+1−1
apichanged
api/compliance/apps/chats/messages/list
Chat name
Chat name. Empty when `deleted_at` is set.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/chats/messages
±changed
+1−1
apichanged
api/compliance/apps/chats/messages
Chat name
Chat name. Empty when `deleted_at` is set.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/chats/list
±changed
+1−1
apichanged
api/compliance/apps/chats/list
Chat name/title
Chat name. Empty when `deleted_at` is set.
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps/chats
±changed
+3−3
apichanged
api/compliance/apps/chats
Chat name/title
Chat name. Empty when `deleted_at` is set.
Chat name/title
Chat name. Empty when `deleted_at` is set.
Chat name
+3 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/apps
±changed
+5−5
apichanged
api/compliance/apps
Chat name/title
Chat name. Empty when `deleted_at` is set.
Chat name
Chat name. Empty when `deleted_at` is set.
The product the session ran in: `cowork` (Cowork in Claude Desktop on the user's machine), `claude_code` (Claude Code), `claude_science` (Claude Science), `claude_in_chrome` (t
+5 −5 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/activities/list
±changed
+5038−4434
apichanged
api/compliance/activities/list
No line of the body moved in this read.
+5038 −4434 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance/activities
±changed
+10620−9428
apichanged
api/compliance/activities
No line of the body moved in this read.
+10620 −9428 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/compliance
±changed
+5046−4440
apichanged
api/compliance
No line of the body moved in this read.
+5046 −4440 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/completions/create
±changed
+10−0
apichanged
api/completions/create
**Deprecated**: Use the [Messages API](https://platform.claude.com/docs/en/api/messages/create) instead.
- `"claude-haiku-5-5"`
+10 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/completions
±changed
+14−0
apichanged
api/completions
**Deprecated**: Use the [Messages API](https://platform.claude.com/docs/en/api/messages/create) instead.
- `"claude-haiku-5-5"`
+14 −0 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials/update
±changed
+1−1
apichanged
api/beta/vaults/credentials/update
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials/retrieve
±changed
+1−1
apichanged
api/beta/vaults/credentials/retrieve
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials/mcp_oauth_validate
±changed
+1−1
apichanged
api/beta/vaults/credentials/mcp_oauth_validate
"credential_id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"credential_id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials/list
±changed
+1−1
apichanged
api/beta/vaults/credentials/list
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials/delete
±changed
+1−1
apichanged
api/beta/vaults/credentials/delete
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials/create
±changed
+1−1
apichanged
api/beta/vaults/credentials/create
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials/archive
±changed
+1−1
apichanged
api/beta/vaults/credentials/archive
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults/credentials
±changed
+7−7
apichanged
api/beta/vaults/credentials
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
+7 −7 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/vaults
±changed
+7−7
apichanged
api/beta/vaults
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYPQfSkw",
"id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
+7 −7 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/update
±changed
+179−3
apichanged
api/beta/sessions/update
- `url_sources: optional BetaManagedAgentsWebFetchURLSourcesParams or null`
Which sources contribute URLs the tool may fetch. Omit to allow every source.
- `client_tool_results: optional BetaManagedAgentsWebFetchURLSourceToolFilterParams or null`
+179 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/threads/retrieve
±changed
+82−2
apichanged
api/beta/sessions/threads/retrieve
An execution thread within a `session`. Each session has one primary thread plus zero or more child threads spawned by the coordinator.
An execution thread within a `session`. Each session has one primary thread plus zero or more child threads.
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+82 −2 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/threads/list
±changed
+81−1
apichanged
api/beta/sessions/threads/list
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+81 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/threads/events/stream
±changed
+82−2
apichanged
api/beta/sessions/threads/events/stream
Emitted when a subagent is spawned as a new thread. Written to the parent thread's output stream so clients observing the session see child creation.
Emitted when a child thread is created. Written to the parent thread's output stream so clients observing the session see child creation.
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+82 −2 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/threads/events/list
±changed
+83−3
apichanged
api/beta/sessions/threads/events/list
Emitted when a subagent is spawned as a new thread. Written to the parent thread's output stream so clients observing the session see child creation.
Emitted when a child thread is created. Written to the parent thread's output stream so clients observing the session see child creation.
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+83 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/threads/events
±changed
+165−5
apichanged
api/beta/sessions/threads/events
Emitted when a subagent is spawned as a new thread. Written to the parent thread's output stream so clients observing the session see child creation.
Emitted when a child thread is created. Written to the parent thread's output stream so clients observing the session see child creation.
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+165 −5 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/threads/archive
±changed
+82−2
apichanged
api/beta/sessions/threads/archive
An execution thread within a `session`. Each session has one primary thread plus zero or more child threads spawned by the coordinator.
An execution thread within a `session`. Each session has one primary thread plus zero or more child threads.
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+82 −2 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/threads
±changed
+572−12
apichanged
api/beta/sessions/threads
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+572 −12 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/retrieve
±changed
+83−3
apichanged
api/beta/sessions/retrieve
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+83 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/resources/update
±changed
+1−1
apichanged
api/beta/sessions/resources/update
"id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
"id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/resources/retrieve
±changed
+1−1
apichanged
api/beta/sessions/resources/retrieve
"id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
"id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/resources/list
±changed
+1−1
apichanged
api/beta/sessions/resources/list
"id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
"id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
+1 −1 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/resources
±changed
+3−3
apichanged
api/beta/sessions/resources
"id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
"id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
"id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
"id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
"id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
+3 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
api
api/beta/sessions/list
±changed
+83−3
apichanged
api/beta/sessions/list
- `"claude-haiku-5-5"`
Fastest model for high-volume, real-time tasks
+83 −3 lines
Recorded here 8 Oct 2026 02:07 UTC
Nothing on this page matches that. Press Enter to search every page of the ledger.