100 pages for placement.

model-deprecations Claude Developer Platform · in the page about-claude/model-deprecations …, deprecated, or retired, and find retirement dates and recommended replacements for models and API parameters. --- As safer and more capable models launch, Anthropic regularly retires older ones. Ap… Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …e model ID swap and, as needed, breaking parameter changes, prefill replacement, and effort calibration for your target model across your code base, then produces a checklist of items to verify manual… commerce-agents Claude Developer Platform · in the page about-claude/use-case-guides/commerce-agents …s, with a margin preview. * Draft marketing campaigns with audiences, placements, and budget. Its five skills cover performance insights, inventory and operations, catalog and listings, pricing and p… customer-support-chat Claude Developer Platform · in the page about-claude/use-case-guides/customer-support-chat …include: - Rental car reimbursement - Roadside assistance - New car replacement </static_context> """ STATIC_ELECTRIC_CAR_INSURANCE = """ <static_context> Electric Car Insurance: Our specialized elec… claude-api-skill Claude Developer Platform · in the page agents-and-tools/agent-skills/claude-api-skill …ercent cost * **Prompt caching:** Prefix-stability design, breakpoint placement, and silent-invalidator audit * **Model migration:** Step-by-step guidance for migrating to newer Claude models (includi… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …much more reliably than third-person descriptions. The most effective placement Anthropic tested is a line in the user message: ```text wrap (Advisor: please keep your guidance under 80 words. I need… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …ool named `computer`. For `strict`, `input_examples`, `defer_loading` placement, `tool_choice`, streaming, and caller restrictions, see [Client toolsets](https://platform.claude.com/docs/en/agents-and… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …strings.Contains(content, cmd.OldStr) { return fmt.Sprintf("No replacement was performed, old_str `%s` did not appear verbatim in %s.", cmd.OldStr, cmd.Path) } store[cmd.Path] = strings.R… text-editor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/text-editor-tool …and new text from Claude’s tool use request. * Perform the text replacement in the file. * Return the results to Claude. </Step> <Step title="Claude provides its analysis and explanation"… Beta Claude Developer Platform · in the page api/beta …likewise rejected; between non-thinking blocks the block's placement has no effect on thinking validation. Some blocks from before the turn's final `fallback` block mus… Agents Claude Developer Platform · in the page api/beta/agents …rkspace's default_inference_geo. On update, `model` is whole-object replacement — omitting inference_geo clears it. - `speed: optional "standard" or "fast" or null` Inference speed mode. `… Create Agent Claude Developer Platform · in the page api/beta/agents/create …rkspace's default_inference_geo. On update, `model` is whole-object replacement — omitting inference_geo clears it. - `speed: optional "standard" or "fast" or null` Inference speed mode. `… Update Agent Claude Developer Platform · in the page api/beta/agents/update …Params or null` Execution principal for runs of this agent. Full replacement. Omit to preserve; send null or `{"type": "service_account"}` to restore the default. - `BetaManagedAgentsAWSRoleExec… Deployments Claude Developer Platform · in the page api/beta/deployments …entsBudgetLimit or null` Spend ceiling for future sessions. Full replacement. Omit to preserve; send null to clear (sessions created afterwards are uncapped). The deployment agent's model must have… Update Deployment Claude Developer Platform · in the page api/beta/deployments/update …entsBudgetLimit or null` Spend ceiling for future sessions. Full replacement. Omit to preserve; send null to clear (sessions created afterwards are uncapped). The deployment agent's model must have… Messages Claude Developer Platform · in the page api/beta/messages …likewise rejected; between non-thinking blocks the block's placement has no effect on thinking validation. Some blocks from before the turn's final `fallback` block mus… Batches Claude Developer Platform · in the page api/beta/messages/batches …likewise rejected; between non-thinking blocks the block's placement has no effect on thinking validation. Some blocks from before the turn's final `fallback` b… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …likewise rejected; between non-thinking blocks the block's placement has no effect on thinking validation. Some blocks from before the turn's final `fallback` b… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …likewise rejected; between non-thinking blocks the block's placement has no effect on thinking validation. Some blocks from before the turn's final `fallback` block mus… Create a Message Claude Developer Platform · in the page api/beta/messages/create …likewise rejected; between non-thinking blocks the block's placement has no effect on thinking validation. Some blocks from before the turn's final `fallback` block mus… Sessions Claude Developer Platform · in the page api/beta/sessions …vers: optional array of BetaManagedAgentsURLMCPServerParams` Replacement MCP server list. Full replacement: the provided array becomes the MCP servers. Send an empty array to clear; omit to pre… Create Session Claude Developer Platform · in the page api/beta/sessions/create …vers: optional array of BetaManagedAgentsURLMCPServerParams` Replacement MCP server list. Full replacement: the provided array becomes the MCP servers. Send an empty array to clear; omit to pre… Update Session Claude Developer Platform · in the page api/beta/sessions/update …ervers: optional array of BetaManagedAgentsURLMCPServerParams` Replacement MCP server list. Full replacement: the provided array becomes the new value. Send an empty array to clear; omit to prese… Compliance API Claude Developer Platform · in the page api/compliance …ude Code agent proxy credential's secret material was replaced. The replacement keeps the same name, profile, and allowed hosts under a new credential identifier, and everything that referenced the ol… Activities Claude Developer Platform · in the page api/compliance/activities …ude Code agent proxy credential's secret material was replaced. The replacement keeps the same name, profile, and allowed hosts under a new credential identifier, and everything that referenced the ol… Query compliance activities Claude Developer Platform · in the page api/compliance/activities/list …ude Code agent proxy credential's secret material was replaced. The replacement keeps the same name, profile, and allowed hosts under a new credential identifier, and everything that referenced the ol… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …etires older ones. See all API deprecations, along with recommended replacements. </Card> </CardGroup> ## Additional resources <CardGroup cols={2}> <Card title="Foundry model catalog" icon="grid… anthropic-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/anthropic-managed …etires older ones. See all API deprecations, along with recommended replacements. </Card> <Card title="Google Cloud Marketplace" icon="coins" href="https://console.cloud.google.com/marketplace">… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …etires older ones. See all API deprecations, along with recommended replacements. </Card> </CardGroup> ## Additional resources <CardGroup cols={2}> <Card title="Claude Console" icon="browser" hr… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …uctured summary wrapped in `<summary></summary>` tags. 3. **Context replacement:** The SDK extracts the summary and replaces the entire message history with it. 4. **Continuation:** The conversation r… effort-per-message Claude Developer Platform · in the page build-with-claude/effort-per-message …o a `system` message that has content, both messages must follow the [placement rules for mid-conversation system messages](https://platform.claude.com/docs/en/build-with-claude/mid-conversation-syste… This will automatically use the environment variable VOYAGE_API_KEY. Claude Developer Platform · in the page build-with-claude/embeddings …ous generation** For each model’s lifecycle status and recommended replacement, see [Model deprecations, lifecycle states, and support](https://www.mongodb.com/docs/voyageai/models/lifecycle/) in the… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …turn keeps every cached byte ahead of it untouched, and satisfies the placement rule that a system message follows a user turn. <CodeGroup> ```bash cURL # One orchestration-mode turn: the mode re… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …mixed with `text` blocks in the same message. The message follows the placement rules for any mid-conversation system message, with one extra restriction after a paused turn (see [Limitations](https:/… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …ly ends with a sentence naming what changed. Then find the matching replacement in [Make changes without editing the prefix](https://platform.claude.com/docs/en/build-with-claude/preserved-thinking#re… Delivering work Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5-1 …he-conversation-history-append-only)). The following loop shows this placement. Each assistant turn goes back exactly as returned, each user turn carries only the tool results, and a fresh turn-scope… prompting-claude-sonnet-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5 …r put user text inside a `tool_result` block. The model misreads that placement most often. * Deliver mid-turn user input as a user turn. Append the user’s words as a text block in the user message th… skills-guide Claude Developer Platform · in the page build-with-claude/skills-guide …| Returns a 400 error; upload a replacement version first, or delete the Skill | | Upload layou… working-with-messages Claude Developer Platform · in the page build-with-claude/working-with-messages …aude Opus 4.8, Claude Sonnet 5.5, and Claude Haiku 5.5. See the full [placement rules](https://platform.claude.com/docs/en/build-with-claude/mid-conversation-system-messages#limitations). A mid-conve… apply Claude Developer Platform · in the page cli-sdks-libraries/cli/apply …efusing to apply`. Pass `--force` to overwrite the edit or create a replacement. Deleting a file leaves its resource in place with a warning, and `--prune` removes it (archiving it, or deleting it fo… apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …ackage applies prompt caching automatically; cache TTL and breakpoint placement are not configurable) * Stop sequences * Batch processing * Files API * Token counting * Beta headers ## Additional res… user-management Claude Developer Platform · in the page manage-claude/user-management …ings > API](https://claude.ai/admin-settings/api-access) and create replacements. ## See also <CardGroup cols={2}> <Card title="Create an Admin API key" href="https://platform.claude.com/docs/en/m… self-hosted-sandboxes-security Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-security …uspect `ANTHROPIC_ENVIRONMENT_KEY` leaked, revoke it and generate a replacement immediately. Revocation is validated on every request, so it takes effect on the worker’s next call. * **Verify your wor… session-operations Claude Developer Platform · in the page managed-agents/session-operations …cpServers`; csharp: `McpServers`; go: `MCPServers`) update are full replacement: the provided array is the new value. To preserve existing entries, `GET` the session, modify the array, and `POST` it b… tools Claude Developer Platform · in the page managed-agents/tools …stem | | Edit | `edit` | Perform string replacement in a file | | Glob | `glob` | Perform fast file pattern matching using glob patterns | | G… vaults Claude Developer Platform · in the page managed-agents/vaults …cp_server_url` or `secret_name`) remains visible and is freed for a replacement credential. * **Delete a vault or credential:** Hard delete. The record is not retained. Use archive if you need an audi… migration-guide Claude Developer Platform · in the page models/fable-5-2/migration-guide …uild-with-claude/preserved-thinking#replace-prefix-edits) gives the replacement for each common edit. To find these edits before you switch production traffic, run the check in [Check whether your… migration-guide Claude Developer Platform · in the page models/opus-5-5/migration-guide …es immediately after a user turn in the `messages` array (subject to [placement rules](https://platform.claude.com/docs/en/build-with-claude/mid-conversation-system-messages#limitations)). Use the top… overview Claude Developer Platform · in the page models/sonnet-4-5/overview …o longer recommended, and retires on November 30, 2026. Recommended replacement: Claude Sonnet 5.5. [See Claude Sonnet 5.5](https://platform.claude.com/docs/en/models/sonnet-5-5/overview) · [Migrate t… overview Claude Developer Platform · in the page release-notes/overview …you can send `role: "system"` messages after a user turn (subject to [placement rules](https://platform.claude.com/docs/en/build-with-claude/mid-conversation-system-messages#limitations)) in the `mess…