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SKILL.md — Anthropic API
Real skill file for agents. When to use / when not is inside the document. This is not a fake MCP listing.
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--- name: anthropic-api description: Operate Anthropic API as an agent using public APIs, CLIs, and docs. Twin Score agent 94. --- # Anthropic API skill Anthropic's API is the Messages API, tool use, prompt caching, and long context — the machine product behind Claude. Console and workbench help humans. Agents get clean JSON, streaming, and relatively honest limit documentation. Available also via AWS Bedrock and Google Vertex for enterprises who will not hold an Anthropic key. Twin Score on this directory is 72 for humans and 94 for agents, using the public rubric (interface, onboarding, human docs, collaboration, support, pricing fairness, accessibility, reliability versus API quality, MCP or tool surface, CLI, structured docs, machine auth, quotas, determinism, and skill packaging). Anthropic API is sold by Anthropic, founded 2021, headquartered in San Francisco, USA. Pricing in public materials: Usage-based tokens; batch discounts; Bedrock and Vertex as alternate bills. Machine capabilities we record: API excellent, MCP strong, CLI basic, docs excellent, auth API keys, cloud marketplaces. This page is editorial, not a star rating scraped from users. ## When to use Use this skill when a user asks to integrate, script, or evaluate Anthropic API (Anthropic). ## When not to use Do not claim an MCP server exists unless the capability matrix says so (current MCP level: strong). Do not invent user-count ratings. ## Capability matrix | Surface | Level | |---|---| | API | excellent | | MCP | strong | | CLI | basic | | Docs | excellent | | Auth | API keys, cloud marketplaces | | Webhooks | strong | | SDKs | python, typescript, http | ## Auth API keys, cloud marketplaces ## Pricing (public) Usage-based tokens; batch discounts; Bedrock and Vertex as alternate bills. ## Official site https://docs.anthropic.com ## Twin Score Human 72. Agent 94. Updated 2026-08-01. Rubric: https://buildsomethingagentswant.com/scorecard ## Alternatives - openai-platform - gemini - bedrock