50 pages for none.

optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …on most tasks at the default effort can fall to consulting on almost none when effort is lowered, and then scores below the executor alone. The rate also varies by task: on DeepSWE[10](https://platfo… pricing Claude Developer Platform · in the page about-claude/pricing …tool is provided. If no `tools` are provided, then a tool choice of `none` uses 0 additional system prompt tokens. | Model… content-moderation Claude Developer Platform · in the page about-claude/use-case-guides/content-moderation …xplanation = assessment.get("explanation") if contains_violation else None return contains_violation, violated_categories, explanation # Process each comment and print the results for com… customer-support-chat Claude Developer Platform · in the page about-claude/use-case-guides/customer-support-chat …ollow_up_response.content if block.type == "text"), None, ) if response_text is None: raise Exception("An error occurred: Unexpected res… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/overview …| | **Level 3+: Resources** | As needed | None until accessed | Bundled files. Reference files load into context when read. Scripts run through bash, and only their outp… quickstart Claude Developer Platform · in the page agents-and-tools/agent-skills/quickstart …# items inside the bash_code_execution_tool_result block. file_id = None for block in response.content: if block.type == "bash_code_execution_tool_result": if block.content.type ==… mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …rs, stdio_client client = AsyncAnthropic() async def main() -> None: # Connect to an MCP server server_params = StdioServerParameters(command="mcp-server") async with stdio_cl… quickstart Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/quickstart …ssuer extendedKeyUsage = serverAuth "@ | Set-Content -NoNewline -Encoding ascii -Path data/tls.ext openssl req -newkey rsa:2048 -nodes ` -keyout data/tls.key -out da… reference Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/reference …| None | | `upstream.tls.include_system_cas` | Also trust the system CA bundle for upstre… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …e, f"Shell operator '{token}' is not allowed" return True, None ``` ```typescript TypeScript const ALLOWED_COMMANDS = new Set([ "ls", "cat", "echo… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …-------- | -------------------------------------- | | `new_tab` | (none) | Open a tab and make it the active tab. | | `list_tabs` | (none) | Report the tab inventory.… build-a-tool-using-agent Claude Developer Platform · in the page agents-and-tools/tool-use/build-a-tool-using-agent …: str, start: str, end: str, attendees: list[str] | None = None, recurrence: dict | None = None, ) -> str: """Create a calendar event with attendees and optional recurr… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …rns when a whole tool invocation exceeds the maximum execution time. None of the three tool versions requires an `anthropic-beta` header. The legacy code execution beta headers remain valid opt-ins.… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …- | | `screenshot` | None (`{}`)… define-tools Claude Developer Platform · in the page agents-and-tools/tool-use/define-tools …l_choice: {"type": "auto"}` (the default) and `tool_choice: {"type": "none"}` still work: | Model or setting… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …tool is provided. If no `tools` are provided, then a tool choice of `none` uses 0 additional system prompt tokens. | Model… tool-reference Claude Developer Platform · in the page agents-and-tools/tool-use/tool-reference …earch_20260209` `web_search_20250305` | Server | None | | [Web fetch tool](https://platform.claude.com/docs/en/agent… Log at info level Claude Developer Platform · in the page agents-and-tools/tool-use/tool-runner …lls, append assistant<br/>message + tool results and continue.<br/>If none, exit the loop else Message history changed TR->>TR: Use your state unchanged end end ``` ### Taking over me… Beta Claude Developer Platform · in the page api/beta …intain context across compaction boundaries. When content is None, the block represents a failed compaction. The server treats these as no-ops. Empty string content is not allowed.… Dreams Claude Developer Platform · in the page api/beta/dreams …ull` The guidance given when the dream was created, or `null` if none was given. - `model: BetaDreamModelConfig` The model that runs a dream, from the request that created it. The dr… Archive a Dream Claude Developer Platform · in the page api/beta/dreams/archive …ull` The guidance given when the dream was created, or `null` if none was given. - `model: BetaDreamModelConfig` The model that runs a dream, from the request that created it. The dr… Cancel a Dream Claude Developer Platform · in the page api/beta/dreams/cancel …ull` The guidance given when the dream was created, or `null` if none was given. - `model: BetaDreamModelConfig` The model that runs a dream, from the request that created it. The dr… Create a Dream Claude Developer Platform · in the page api/beta/dreams/create …ull` The guidance given when the dream was created, or `null` if none was given. - `model: BetaDreamModelConfig` The model that runs a dream, from the request that created it. The dr… List Dreams Claude Developer Platform · in the page api/beta/dreams/list …ull` The guidance given when the dream was created, or `null` if none was given. - `model: BetaDreamModelConfig` The model that runs a dream, from the request that created it. The dr… Get a Dream Claude Developer Platform · in the page api/beta/dreams/retrieve …ull` The guidance given when the dream was created, or `null` if none was given. - `model: BetaDreamModelConfig` The model that runs a dream, from the request that created it. The dr… Messages Claude Developer Platform · in the page api/beta/messages …intain context across compaction boundaries. When content is None, the block represents a failed compaction. The server treats these as no-ops. Empty string content is not allowed.… Batches Claude Developer Platform · in the page api/beta/messages/batches …in context across compaction boundaries. When content is None, the block represents a failed compaction. The server treats these as no-ops. Empty string content is not allowed… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …in context across compaction boundaries. When content is None, the block represents a failed compaction. The server treats these as no-ops. Empty string content is not allowed… Retrieve Message Batch results Claude Developer Platform · in the page api/beta/messages/batches/results …returned when autocompact is triggered. When content is None, it indicates the compaction failed to produce a valid summary (e.g., malformed output from the model). Clients m… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …intain context across compaction boundaries. When content is None, the block represents a failed compaction. The server treats these as no-ops. Empty string content is not allowed.… Create a Message Claude Developer Platform · in the page api/beta/messages/create …intain context across compaction boundaries. When content is None, the block represents a failed compaction. The server treats these as no-ops. Empty string content is not allowed.… Organization Claude Developer Platform · in the page api/beta/organization …splay_name: string or null` Human-friendly display name. Null if none was set. - `geo: string` Data residency geo. Selects which regional validator handles this key's encrypt/decrypt roun… Analytics Claude Developer Platform · in the page api/beta/organization/analytics …the 2026-06-18 data-start). "0" means attributable usage existed but none was attributed to this skill. Addable across days: date-range rollup mode returns the window's sum. On `group_by[]` and `filt… Skills Claude Developer Platform · in the page api/beta/organization/analytics/skills …the 2026-06-18 data-start). "0" means attributable usage existed but none was attributed to this skill. Addable across days: date-range rollup mode returns the window's sum. On `group_by[]` and `filt… Get Skill Usage Claude Developer Platform · in the page api/beta/organization/analytics/skills/list …the 2026-06-18 data-start). "0" means attributable usage existed but none was attributed to this skill. Addable across days: date-range rollup mode returns the window's sum. On `group_by[]` and `filt… External Keys Claude Developer Platform · in the page api/beta/organization/external_keys …splay_name: string or null` Human-friendly display name. Null if none was set. - `geo: string` Data residency geo. Selects which regional validator handles this key's encrypt/decrypt roun… Create External Key Claude Developer Platform · in the page api/beta/organization/external_keys/create …splay_name: string or null` Human-friendly display name. Null if none was set. - `geo: string` Data residency geo. Selects which regional validator handles this key's encrypt/decrypt roun… List External Keys Claude Developer Platform · in the page api/beta/organization/external_keys/list …splay_name: string or null` Human-friendly display name. Null if none was set. - `geo: string` Data residency geo. Selects which regional validator handles this key's encrypt/decrypt roun… Get External Key Claude Developer Platform · in the page api/beta/organization/external_keys/retrieve …splay_name: string or null` Human-friendly display name. Null if none was set. - `geo: string` Data residency geo. Selects which regional validator handles this key's encrypt/decrypt roun… Update External Key Claude Developer Platform · in the page api/beta/organization/external_keys/update …splay_name: string or null` Human-friendly display name. Null if none was set. - `geo: string` Data residency geo. Selects which regional validator handles this key's encrypt/decrypt roun… Invites Claude Developer Platform · in the page api/beta/organization/invites …s), to be assigned to the User when the Invite is accepted. `[]` when none. - `role: BetaOrganizationRole` Organization role of the User. - `"admin"` - `"billing"` - `"claude_co… Create Invite Claude Developer Platform · in the page api/beta/organization/invites/create …s), to be assigned to the User when the Invite is accepted. `[]` when none. - `role: BetaOrganizationRole` Organization role of the User. - `"admin"` - `"billing"` - `"claude_co… List Invites Claude Developer Platform · in the page api/beta/organization/invites/list …s), to be assigned to the User when the Invite is accepted. `[]` when none. - `role: BetaOrganizationRole` Organization role of the User. - `"admin"` - `"billing"` - `"claude_co… Get Invite Claude Developer Platform · in the page api/beta/organization/invites/retrieve …s), to be assigned to the User when the Invite is accepted. `[]` when none. - `role: BetaOrganizationRole` Organization role of the User. - `"admin"` - `"billing"` - `"claude_co… Vaults Claude Developer Platform · in the page api/beta/vaults …2047 - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneParam or BetaManagedAgentsTokenEndpointAuthBasicParam or BetaManagedAgentsTokenEndpointAuthPostParam` - `BetaManagedA… Credentials Claude Developer Platform · in the page api/beta/vaults/credentials …2047 - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneParam or BetaManagedAgentsTokenEndpointAuthBasicParam or BetaManagedAgentsTokenEndpointAuthPostParam` - `BetaManagedA… Archive Credential Claude Developer Platform · in the page api/beta/vaults/credentials/archive …n. - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneResponse or BetaManagedAgentsTokenEndpointAuthBasicResponse or BetaManagedAgentsTokenEndpointAuthPostResponse` - `B… Create Credential Claude Developer Platform · in the page api/beta/vaults/credentials/create …2047 - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneParam or BetaManagedAgentsTokenEndpointAuthBasicParam or BetaManagedAgentsTokenEndpointAuthPostParam` - `BetaManagedA… List Credentials Claude Developer Platform · in the page api/beta/vaults/credentials/list …n. - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneResponse or BetaManagedAgentsTokenEndpointAuthBasicResponse or BetaManagedAgentsTokenEndpointAuthPostResponse` - `B… Get Credential Claude Developer Platform · in the page api/beta/vaults/credentials/retrieve …n. - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneResponse or BetaManagedAgentsTokenEndpointAuthBasicResponse or BetaManagedAgentsTokenEndpointAuthPostResponse` - `B…