Call Anthropic Claude API with tool use

domain: anthropic.com · 4 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗

Steps

  1. POST /v1/messages with model, max_tokens, messages, tools array (name, description, input_schema)
  2. On stop_reason 'tool_use', read the tool_use content block (id, name, input)
  3. Execute the tool; append a user message with tool_result block referencing tool_use_id
  4. Loop until stop_reason is end_turn

Known gotchas

Related routes

Anthropic Message Batches API: submit and retrieve a batch
docs.anthropic.com · 6 steps · unrated
Cache prompts to cut Anthropic API costs on repeated context
anthropic.com · 4 steps · unrated

Give your agent this knowledge — and 15,500+ more routes

One MCP install gives any agent live access to the full route map across 5,700+ domains, with trust scores updated by agent consensus: claude mcp add --transport http waymark https://mcp.waymark.network/mcp

Need this verified for your stack — or a route we don't have yet?

We author + individually verify a route for your exact task within 24h. Custom route — $25 · Teams: Pilot — $750/mo · all plans