50 pages for write.

Catch security issues as Claude writes code Claude Code CLI · title security-guidance Write a credential helper Claude Documentation · title third-party/claude-desktop/credential-helper Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …var response = await client.Messages.Create(parameters); Console.WriteLine(response); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(conte… optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …cing), a tenth of the input price, and each turn pays the 1.25x cache-write rate only for what is new. Across Anthropic's measured runs, cache reads are routinely the largest single component of task… pricing Claude Developer Platform · in the page about-claude/pricing …| Base Input Tokens | 5m Cache Writes | 1h Cache Writes | Cache Hits & Refreshes | Output Tokens | | ------------------------------------------------------------… content-moderation Claude Developer Platform · in the page about-claude/use-case-guides/content-moderation …the results foreach (var comment in userComments) { Console.WriteLine($"\nComment: {comment}"); var (violation, violatedCategories, explanation) = await ModerateMessage(comment, unsafe… customer-support-chat Claude Developer Platform · in the page about-claude/use-case-guides/customer-support-chat …and closes out the conversation <Tip> In the real example that you write for your own use case, you might find it useful to write out the actual words in this interaction so that you can also get a… Create an instance of the Claude API client Claude Developer Platform · in the page about-claude/use-case-guides/ticket-routing …issue type, urgency, required expertise, or other relevant factors. Write a ticket classification prompt. The initial prompt should contain the contents of the user request and return both the reaso… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/best-practices …gents-and-tools/agent-skills/best-practices description: Learn how to write effective Skills that Claude can discover and use successfully. --- Good Skills are concise, well-structured, and tested wi… enterprise Claude Developer Platform · in the page agents-and-tools/agent-skills/enterprise …n patterns.** Look for instructions that read sensitive data and then write, send, or encode it for external transmission, including through Claude's conversational responses. <Warning> Never deplo… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/overview …cs/en/agents-and-tools/agent-skills/best-practices"> Learn how to write effective Skills that Claude can discover and use successfully. </Card> </CardGroup> quickstart Claude Developer Platform · in the page agents-and-tools/agent-skills/quickstart …thropic" }); foreach (var skill in skills.Items) { Console.WriteLine($"{skill.ID}: {skill.DisplayName}"); } ``` ```go Go // List Anthropic-managed Skills skills, err := client.Sk… mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …ar message = await client.Beta.Messages.Create(parameters); Console.WriteLine(message); ``` ```go Go client := anthropic.NewClient() response, err := client.Beta.Messages.New(context.TODO(… Edit docker-compose.yaml: increment the integer in the setup service's Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/deploy-compose …``` The containers run as the non-root UID `65532` and need write access to `data/`. </Step> <Step title="Write docker-compose.yaml"> The compose file pins images by SHA… overview Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/overview …ar message = await client.Beta.Messages.Create(parameters); Console.WriteLine(message); ``` ```go Go client := anthropic.NewClient() response, err := client.Beta.Messages.New(context.TODO(… quickstart Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/quickstart …ts). The tunnel status flips to **Active**. </Step> <Step title="Write the sample MCP server"> <Tabs> <Tab title="macOS / Linux"> ```bash cat > hello_server.py <<'EOF'… reference Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/reference …server certificate, registers the CA, retrieves the tunnel token, and writes all outputs to the destination. | Flag | Description… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …r response = await client.Beta.Messages.Create(parameters); Console.WriteLine(response); ``` ```go Go client := anthropic.NewClient() response, err := client.Beta.Messages.New(context.TODO… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …nt directory.", }, ], } ); Console.WriteLine(response); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.TODO(), a… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …var response = await client.Messages.Create(parameters); Console.WriteLine(response); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.TODO(), a… build-a-tool-using-agent Claude Developer Platform · in the page agents-and-tools/tool-use/build-a-tool-using-agent …content array contains a tool_use block alongside any text. Console.WriteLine($"stop_reason: {response.StopReason?.Raw()}"); // Find the tool_use block. A response may contain text blocks before… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …}], Tools = [new CodeExecutionTool20250825()] }); Console.WriteLine(message); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.Background… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …var response = await client.Messages.Create(parameters); Console.WriteLine(response); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.TODO(), a… define-tools Claude Developer Platform · in the page agents-and-tools/tool-use/define-tools …ts-and-tools/tool-use/define-tools description: Specify tool schemas, write effective descriptions, and control when Claude calls your tools. --- ## Prerequisites * Familiarity with the [tool use ov… fine-grained-tool-streaming Claude Developer Platform · in the page agents-and-tools/tool-use/fine-grained-tool-streaming …[ { "name": "make_file", "description": "Write text to a file", "eager_input_streaming": true, "input_schema": { "type": "object",… handle-tool-calls Claude Developer Platform · in the page agents-and-tools/tool-use/handle-tool-calls …rvice API is not available. Please try again later." <Tip> Write instructive error messages. Instead of generic errors like `"failed"`, include what went wrong and what Claude should try ne… how-tool-use-works Claude Developer Platform · in the page agents-and-tools/tool-use/how-tool-use-works …on is responsible for. ### User-defined tools (client-executed) You write the schema, you execute the code, you return the results. This is the most common case: the vast majority of tool-use traffi… manage-tool-context Claude Developer Platform · in the page agents-and-tools/tool-use/manage-tool-context …llapses a sequence of tool calls into a single code block that Claude writes and Anthropic's code execution sandbox runs. Rather than five roundtrips of `tool_use` and `tool_result`, Claude emits one… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …-and-tools/tool-use/memory-tool#path-traversal-protection) before you write it. ## Basic usage <CodeGroup> ```bash cURL curl https://api.anthropic.com/v1/messages \ -H "x-api-key: $ANTHROPIC… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …var message = await client.Messages.Create(parameters); Console.WriteLine(message.Content); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.TO… parallel-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/parallel-tool-use …lu_02", "is_error": true, "content": "Not executed: the preceding write_file call failed." } ``` The [computer use tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use… Process results programmatically Claude Developer Platform · in the page agents-and-tools/tool-use/programmatic-tool-calling …multi-tool workflows. --- Programmatic tool calling allows Claude to write code that calls your tools programmatically within a [code execution](https://platform.claude.com/docs/en/agents-and-tools/t… server-tools Claude Developer Platform · in the page agents-and-tools/tool-use/server-tools …ion = await client.Messages.Create(continuationParams); Console.WriteLine(continuation); } else { Console.WriteLine(response); } ``` ```go Go client := anthropic.NewClient()… strict-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/strict-tool-use …var message = await client.Messages.Create(parameters); Console.WriteLine(message); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.TODO(), an… text-editor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/text-editor-tool …lp me fix it?", }, ], } ); Console.WriteLine(response); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.TODO(), a… tool-combinations Claude Developer Platform · in the page agents-and-tools/tool-use/tool-combinations …de execution analyzes and synthesizes. Claude searches for data, then writes Python to process, tabulate, or visualize it. This pairing is a good fit for questions that require both up-to-date informa… Log at info level Claude Developer Platform · in the page agents-and-tools/tool-use/tool-runner …); await foreach (var message in runner) { Console.WriteLine(message); } ``` </Tab> <Tab title="Go"> Define a tool with `toolrunner.NewBetaToolFromJSONSchema`. The… tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …var message = await client.Messages.Create(parameters); Console.WriteLine(message); ``` ```go Go client := anthropic.NewClient() response, err := client.Messages.New(context.TODO(), an… tool-use-with-prompt-caching Claude Developer Platform · in the page agents-and-tools/tool-use/tool-use-with-prompt-caching …t on your own `cache_control` markers. In the response `usage`, these writes appear under `cache_creation.ephemeral_5m_input_tokens`, so you may see 5-minute cache writes even when every `cache_contro… troubleshooting-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/troubleshooting-tool-use …tform.claude.com/docs/en/agents-and-tools/tool-use/define-tools"> Write schemas and descriptions that steer Claude toward the right tool. </Card> <Card title="Handle tool calls" href="https:/… web-fetch-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-fetch-tool …, Claude Opus 4.6, Claude Sonnet 5, and Claude Sonnet 4.6. Claude can write and execute code to filter fetched content before it reaches the context window, keeping only relevant information and disca… web-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-search-tool …h results. With `web_search_20260209` and later versions, Claude can write and run code that filters the search results before they reach the context window (**dynamic filtering**), keeping only rele… Admin Claude Developer Platform · in the page api/admin …ise organization with RBAC groups, and requires the key to carry the `write:rbac_groups` scope. maxItems: 100 #### Returns - `Invite object` - `id: string` ID of the Invite. - `accepte… Analytics Claude Developer Platform · in the page api/admin/analytics …epted/rejected counts for a single Claude Code tool type. - `write_tool: ToolActionCounts` Accepted/rejected counts for a single Claude Code tool type. - `cowork_metrics: obje… Connectors Claude Developer Platform · in the page api/admin/analytics/connectors …d on a classified surface lands in exactly one of `read_call_count`, `write_call_count`, or `unclassified_call_count`, so the three sum to the day's classified calls. Classification is forward-only pe… Get Connector Usage Claude Developer Platform · in the page api/admin/analytics/connectors/list …d on a classified surface lands in exactly one of `read_call_count`, `write_call_count`, or `unclassified_call_count`, so the three sum to the day's classified calls. Classification is forward-only pe… Users Claude Developer Platform · in the page api/admin/analytics/users …epted/rejected counts for a single Claude Code tool type. - `write_tool: ToolActionCounts` Accepted/rejected counts for a single Claude Code tool type. - `cowork_metrics: obje… List User Activity Claude Developer Platform · in the page api/admin/analytics/users/list …epted/rejected counts for a single Claude Code tool type. - `write_tool: ToolActionCounts` Accepted/rejected counts for a single Claude Code tool type. - `cowork_metrics: obje… Federation Rules Claude Developer Platform · in the page api/admin/federation_rules …or null` Service account's display name at read time. Ignored on writes. - `applies_to_all_workspaces: optional boolean` When true, enable this rule for every workspace in the org (including… Archive Federation Rule Claude Developer Platform · in the page api/admin/federation_rules/archive …null` Service account's display name at read time. Ignored on writes. - `token_lifetime_seconds: number` Lifetime in seconds of access tokens minted via this rule. Minted tokens are ca…