1,278 pages for version.

cloud-sandboxes-reference Claude Developer Platform · in the page managed-agents/cloud-sandboxes-reference …hatever your worker provides. ## Programming languages | Language | Version | Package manager | | -------- | --------------------------- | -------------------- | | Python… DCF Model Rubric Claude Developer Platform · in the page managed-agents/define-outcomes …v1/files \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -F file=@/tmp/rubric.md ``` ```bash CLI ant… dreams Claude Developer Platform · in the page managed-agents/dreams …1/dreams \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01,dreaming-2026-04-21" \ -H "content-type: application/… environments Claude Developer Platform · in the page managed-agents/environments …ronments \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… event-deltas Claude Developer Platform · in the page managed-agents/event-deltas …message" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "accept: text/event-stream" ``` ```bash CL… events-and-streaming Claude Developer Platform · in the page managed-agents/events-and-streaming …ta=true" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "accept: text/event-stream" ``` ```bash CL… files Claude Developer Platform · in the page managed-agents/files …v1/files \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -F [email protected] ``` ```bash CLI ant files… github Claude Developer Platform · in the page managed-agents/github …1/agents \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… mcp-connector Claude Developer Platform · in the page managed-agents/mcp-connector …1/agents \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… memory Claude Developer Platform · in the page managed-agents/memory …nd exporting. Every change to a memory creates an immutable **memory version**, giving you an audit trail and point-in-time recovery for everything the agent writes. ## Create a memory store Give t… migration Claude Developer Platform · in the page managed-agents/migration ….beta.sessions.create( agent={"type": "agent", "id": agent.id, "version": agent.version}, environment_id=environment.id, ) with client.beta.sessions.events.stream(session.id) as strea… multiagent-orchestration Claude Developer Platform · in the page managed-agents/multiagent-orchestration …id": agent.id}` references a previously created `agent` by ID. If no `version` is specified, the reference is pinned to the agent’s latest version when the agent that lists it is created, or when an u… onboarding Claude Developer Platform · in the page managed-agents/onboarding …sessions \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… permission-policies Claude Developer Platform · in the page managed-agents/permission-policies …1/agents \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… quickstart Claude Developer Platform · in the page managed-agents/quickstart …ments, download the release binary directly. ```bash VERSION=2.7.1 OS=$(uname -s | tr '[:upper:]' '[:lower:]') case $(uname -m) in x86_64) ARCH=amd64 ;;… scheduled-deployments Claude Developer Platform · in the page managed-agents/scheduled-deployments …ta=true" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… secure-deployment Claude Developer Platform · in the page managed-agents/secure-deployment …ronments \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… spawn.sh: called once per claimed work item Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes …\ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2023-06-01" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \… self-hosted-sandboxes-custom-tools Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-custom-tools …); const mcpClient = new Client({ name: "declare-agent-tools", version: "1.0.0" }); await mcpClient.connect(new StreamableHTTPClientTransport(new URL(MCP_SERVER_URL))); const { tool… self-hosted-sandboxes-memory Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-memory …memory store on Anthropic’s side remains the source of truth. [Memory versions](https://platform.claude.com/docs/en/managed-agents/memory#audit-memory-changes), redaction, and viewing or editing memor… self-hosted-sandboxes-operations Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-operations …-H "anthropic-beta: managed-agents-2026-04-01" \ -H "anthropic-version: 2026-10-21" ``` ```bash CLI ant beta:environments:work stats --environment-id "$ANTHROPIC_ENVIRONMENT_ID" ```… self-hosted-sandboxes-security Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-security …en/managed-agents/memory) remain hosted by Anthropic, including their version history. When a session attaches one, the worker keeps a working copy under `/mnt/memory/` in your sandbox for the session… self-hosted-sandboxes-workers Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-workers …t build time. ```dockerfile FROM your-base-image ARG ANT_VERSION=2.7.1 ARG TARGETARCH RUN ARCH=$([ "$TARGETARCH" = "arm64" ] && echo arm64 || echo amd64) && \ curl -fsSL "… session-operations Claude Developer Platform · in the page managed-agents/session-operations …ange-the-lists-mid-session), mid-session without creating a new agent version. Updates are session-local and do not apply to the underlying agent. Updated `allowed_domains` (java, php: `allowedDomains… session-threads Claude Developer Platform · in the page managed-agents/session-threads …threads" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" ``` ```bash CLI ant beta:sessions:threads list --… sessions Claude Developer Platform · in the page managed-agents/sessions …A session requires an `agent` ID and an `environment` ID. Agents are versioned resources; passing in the `agent` (csharp, go: `Agent`) ID as a string creates the session with the latest agent version… skills Claude Developer Platform · in the page managed-agents/skills …/skills" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -F "files[]=@example_skill.zip" ``` <CodeGroupItem> ```bash CLI ant apply skills/pr-summar… tools Claude Developer Platform · in the page managed-agents/tools …1/agents \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… tools-web-restrictions Claude Developer Platform · in the page managed-agents/tools-web-restrictions …1/agents \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… vaults Claude Developer Platform · in the page managed-agents/vaults …1/vaults \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: managed-agents-2026-04-01" \ -H "content-type: application/json" \ -d '{… webhooks Claude Developer Platform · in the page managed-agents/webhooks …| | `agent.updated` | A [new version of the agent](https://platform.claude.com/docs/en/managed-agents/agent-setup#update-an-agent) was published. Updates that… workflow-runs Claude Developer Platform · in the page managed-agents/workflow-runs …` (csharp, go: `Agent`) has that agent’s `id` (csharp, go: `ID`) and `version` (csharp, go: `Version`), as on the thread of a subagent you listed. For an agent the workflow defines (an inline agent),… Or, for Claude Mythos 5.1, which offers the same capabilities to verified organizations: Claude Developer Platform · in the page models/fable-5-1/migration-guide …n" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -d '{ "model": "claude-fable-5", "max_tokens": 16000, "tools": [… overview Claude Developer Platform · in the page models/fable-5-1/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… whats-new-fable-5-1 Claude Developer Platform · in the page models/fable-5-1/whats-new-fable-5-1 …messages \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: mid-conversation-output-config-2026-07-01" \ -H "content-type: application/json… overview Claude Developer Platform · in the page models/fable-5/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… overview Claude Developer Platform · in the page models/haiku-4-5/overview …o the pinned snapshot `claude-haiku-4-5-20251001`. See [Model IDs and versioning](https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions). * Claude Haiku 4.5 uses manual extend… migration-guide Claude Developer Platform · in the page models/haiku-5-5/migration-guide …ution:** Claude Haiku 5.5 accepts `code_execution_20250825` and later versions. If you use the Python-only `code_execution_20250522`, move to one of them. See [Upgrade to latest tool version](https://… overview Claude Developer Platform · in the page models/haiku-5-5/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… overview Claude Developer Platform · in the page models/mythos-5-1/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… overview Claude Developer Platform · in the page models/mythos-5/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… overview Claude Developer Platform · in the page models/opus-4-5/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… overview Claude Developer Platform · in the page models/opus-4-6/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… overview Claude Developer Platform · in the page models/opus-4-7/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… overview Claude Developer Platform · in the page models/opus-4-8/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… migration-guide Claude Developer Platform · in the page models/opus-5-5/migration-guide …messages \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 4… overview Claude Developer Platform · in the page models/opus-5-5/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… whats-new-opus-5-5 Claude Developer Platform · in the page models/opus-5-5/whats-new-opus-5-5 …-are-tied-to-the-model-that-produced-them). * [Some computer use tool versions are not supported](https://platform.claude.com/docs/en/models/opus-5-5/whats-new-opus-5-5#computer-20251124-is-not-suppor… overview Claude Developer Platform · in the page models/opus-5/overview …nts and prompt caching rates. </Card> <Card title="Model IDs and versioning" icon="fingerprint" href="https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"> How mode… Models overview Claude Developer Platform · in the page models/overview …follows Anthropic’s first-party model lifecycle. See [Model IDs and versioning](https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions) and [Pricing](https://platform.claude.…