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SEP-1034: Support default values for all primitive types in elicitation schemas
Model Context Protocol · title
seps/1034--support-default-values-for-all-primitive-types-in
model-deprecations
Claude Developer Platform · in the page
about-claude/model-deprecations
…acity for new model releases. This comes with downsides: * Users who value specific models must migrate to new versions. * Researchers lose access to models for ongoing and comparative studies. * Mod…
Or, for the model with the same capabilities and no access approval requirement:
Claude Developer Platform · in the page
about-claude/models/migration-guide
…m/docs/en/build-with-claude/token-counting) returns roughly unchanged values for `claude-mythos-5` and `claude-fable-5` compared with `claude-mythos-preview`. Re-baseline cost and latency on your own…
optimizing-for-cost-and-intelligence
Claude Developer Platform · in the page
about-claude/models/optimizing-for-cost-and-intelligence
…August 10, 2026; Claude Fable 5.1 alone at five explicitly set effort values August 20, 2026 (the chart shows three of them); and the pairing August 24 to 25, 2026. * **August runs:** The August r…
content-moderation
Claude Developer Platform · in the page
about-claude/use-case-guides/content-moderation
…assessment var containsViolation = assessment["violation"]!.GetValue<bool>(); // If there's a violation, get the categories and explanation; otherwise, use empty defaults List<stri…
customer-support-chat
Claude Developer Platform · in the page
about-claude/use-case-guides/customer-support-chat
…u can instruct Claude to consistently represent your brand's tone and values, whereas human agents might vary in their communication styles. </Accordion> </AccordionGroup> Some considerations for c…
ticket-routing
Claude Developer Platform · in the page
about-claude/use-case-guides/ticket-routing
…var reasoning = reasoningMatch.Success ? reasoningMatch.Groups[1].Value.Trim() : ""; // Similarly, also extract the `intent`. var intentMatch = Regex.Match(reasoningAndIntent, "<inten…
PDF Processing
Claude Developer Platform · in the page
agents-and-tools/agent-skills/best-practices
…s.json`. **Step 2: Create field mapping** Edit `fields.json` to add values for each field. **Step 3: Validate mapping** Run: `python scripts/validate_fields.py fields.json` Fix any validation err…
claude-api-skill
Claude Developer Platform · in the page
agents-and-tools/agent-skills/claude-api-skill
…nothing. The report lists each setting to change with its recommended value, the questions only you can answer, and what it did not read. The skill reads the agent with the `ant` CLI, so first set up…
mcp-connector
Claude Developer Platform · in the page
agents-and-tools/mcp-connector
…t | No | Per-tool configuration overrides. Keys are tool names; values are configuration objects. | | `cache_control` | object | No | [Prom…
concepts
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/concepts
…onfig path `/etc/mcp-gateway/config.yaml` and Helm `gateway.config.*` values prefix) | | **cloudflared** | Cloudflare's open-source tunnel connector. Initiates the outbound-only connections fr…
console
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/console
…-- | | **Domain** | Copy the assigned `abcd1234.tunnel.anthropic.com` value. Your proxy's routes are subdomains of this domain.…
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
…OKEN` is `$(sudo cat data/tunnel-token)`; in the manual flow it's the value you copied from the Console. The same tunnel token and certificates work across all replicas. ## Verify the deployment Ver…
deploy-helm
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/deploy-helm
…where the ServiceAccount is `mcp-tunnel-setup`. | Field | Value | | -------- | ---------------------------------------------------- |…
overview
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/overview
…ersonate your proxy and read MCP request payloads. Treat both as high-value secrets. See [MCP tunnels security](https://platform.claude.com/docs/en/agents-and-tools/mcp-tunnels/security) for hardening…
quickstart
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/quickstart
…tial provisioning. After it's created, open the tunnel. Copy two values from the **Connection** section: * **Domain** (looks like `abcd1234.tunnel.anthropic.com`) * **Token** (click the…
reference
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/reference
…-and-tools/mcp-tunnels/concepts#components) unchanged. Each upstream value must be exactly `scheme://host:port`. The port is mandatory. Including a path is rejected at config load with `invalid upstr…
advisor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/advisor-tool
…n, typically `"end_turn"`, or `"max_tokens"` when the cap is hit. The values match the top-level Messages API [`stop_reason`](https://platform.claude.com/docs/en/build-with-claude/handling-stop-reason…
bash-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/bash-tool
…{ string result; if (toolUse.Input.TryGetValue("restart", out var restart) && restart.GetBoolean()) { bashSession.Restart();…
browser-use-sdk
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-sdk
…parts = urlsplit(with_scheme.replace("\\", "/")) except ValueError: return False host = parts.hostname or "" listed = any(host == name or host.endswith(f".{name}")…
browser-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-tool
…pture_screenshot() # Handle other actions as needed raise ValueError(f"Unknown or unimplemented member: {name}") ``` ```typescript TypeScript // Placeholder image data; a real execu…
build-a-tool-using-agent
Claude Developer Platform · in the page
agents-and-tools/tool-use/build-a-tool-using-agent
….client.okhttp.AnthropicOkHttpClient; import com.anthropic.core.JsonValue; import com.anthropic.models.messages.ContentBlockParam; import com.anthropic.models.messages.Message; import com.anth…
code-execution-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/code-execution-tool
…equest, read its `capabilities.server_tools.code_execution.supported` value from the Models API. Don't use the top-level `capabilities.code_execution` value for this. It reports whether code running i…
computer-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/computer-use-tool
…enshot pixels.** Every `coordinate`, `start_coordinate`, and `region` value, and the position that `cursor_position` reports, is in the pixel space of the full-display screenshots you return, with the…
define-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/define-tools
…lists and objects should use JSON format. Note that spaces for string values are not stripped. The output is not expected to be valid XML and is parsed with regular expressions. Here are the functions…
fine-grained-tool-streaming
Claude Developer Platform · in the page
agents-and-tools/tool-use/fine-grained-tool-streaming
…ered streaming, in which the API buffers and validates each parameter value before streaming it back. The exception is a request that still sends the legacy `fine-grained-tool-streaming-2025-05-14` be…
handle-tool-calls
Claude Developer Platform · in the page
agents-and-tools/tool-use/handle-tool-calls
…se or browser use member block must also echo the same `toolset_name` value as the `tool_use` block; a member result that omits it is rejected. Its `content` is also narrower: a member result may cont…
memory-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/memory-tool
…rns everything from `start_line` to the end of the file. #### Return values **For directories:** Return a list that shows files and directories with their sizes: ```text Here're the files and direc…
overview
Claude Developer Platform · in the page
agents-and-tools/tool-use/overview
….Text) } } ``` ```java Java import com.anthropic.core.JsonValue; import com.anthropic.models.messages.ContentBlockParam; // ... import com.anthropic.models.messages.Tool; import co…
parallel-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/parallel-tool-use
…Parameters); var text = finalResponse.Content.Select(block => block.Value).OfType<TextBlock>().FirstOrDefault(); Console.WriteLine($"\nClaude's response:\n{text?.Text}"); Console.WriteLine("\n-…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…you send a request, read its `capabilities.code_execution.supported` value from the Models API. [Using the Models API](https://platform.claude.com/docs/en/models/overview#using-the-models-api) descri…
server-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/server-tools
…await client.Messages.Create(parameters); if (response.StopReason?.Value() == StopReason.PauseTurn) { // Continue the conversation with the paused content var continuationParams = new…
strict-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/strict-tool-use
…chema schema = InputSchema.builder() .properties( JsonValue.from( Map.of( "location", Map.of( "type", "string",…
text-editor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/text-editor-tool
…) .putAdditionalProperty("command", JsonValue.from("view")) .putAdditionalProperty("path", JsonValue.from("primes.py"))…
tool-reference
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-reference
…dels/overview#using-the-models-api). <Note> The tool search `type` values also accept undated aliases: `tool_search_tool_regex` and `tool_search_tool_bm25`. These resolve to the latest dated versio…
Log at info level
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-runner
…-> BetaToolResultBlockParam.Content.ofString( String.valueOf(input.a + input.b))); BetaToolRunner runner = client.beta() .messages() .toolRunner(Messa…
tool-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-search-tool
…chema weatherSchema = InputSchema.builder() .properties(JsonValue.from(Map.of( "location", Map.of("type", "string"), "unit", Map.of( "type", "st…
troubleshooting-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/troubleshooting-tool-use
…com/docs/en/agents-and-tools/tool-use/strict-tool-use). | | Parameter values outside your enum | Missing strict mode or too-large enum | Shrink the enum or add `input_examples` showing va…
web-fetch-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/web-fetch-tool
…URLs from previous web search or web fetch results. It takes the same values, and its filters name `web_search` or `web_fetch`. For example, a tool that runs code Claude wrote returns whatever that c…
web-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/web-search-tool
…a request, read its `capabilities.server_tools.web_search.supported` value from the Models API. [Using the Models API](https://platform.claude.com/docs/en/models/overview#using-the-models-api) descri…
Beta
Claude Developer Platform · in the page
api/beta
…iven lifecycle stages (`active`, `deprecated`, or `retired`). Up to 3 values. When omitted, the list contains the `active` and `deprecated` models; `retired` models appear only when `retired` is reque…
beta-headers
Claude Developer Platform · in the page
api/beta-headers
…r": { "type": "invalid_request_error", "message": "Unexpected value(s) `invalid-beta-name` for the `anthropic-beta` header. Please consult our documentation at platform.claude.com/docs or try…
Agents
Claude Developer Platform · in the page
api/beta/agents
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…
Archive Agent
Claude Developer Platform · in the page
api/beta/agents/archive
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…
Create Agent
Claude Developer Platform · in the page
api/beta/agents/create
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…
List Agents
Claude Developer Platform · in the page
api/beta/agents/list
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…
Get Agent
Claude Developer Platform · in the page
api/beta/agents/retrieve
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…
Update Agent
Claude Developer Platform · in the page
api/beta/agents/update
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…
Versions
Claude Developer Platform · in the page
api/beta/agents/versions
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…
List Agent Versions
Claude Developer Platform · in the page
api/beta/agents/versions/list
…ing` Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`). Only needed for credentials that can act on more than…