RealWorldAPIs

Connect Remote server

claude mcp add --transport http realworldapis https://mcp.realworldapis.com/mcp

{
  "mcpServers": {
    "realworldapis": {
      "url": "https://mcp.realworldapis.com/mcp"
    }
  }
}

{
  "servers": {
    "realworldapis": {
      "type": "http",
      "url": "https://mcp.realworldapis.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://mcp.realworldapis.com/mcp

Tools 7 found in our last check

• find_api_for_task

  Find the best APIs for a natural-language physical-world task. Use this for open-ended task or outcome-based recommendations; use search_apis when you already know exact filters, get_api for one known API, or compare_apis for known candidates. Returns an authoritative canonical…

• search_apis

  Search the canonical registry when you already know keywords or exact requirements. All supplied filter groups combine with AND logic; array capability filters require every supplied value, and protocol fields match the exact Yes/No/Unknown status, so Unknown never satisfies Yes…

• search_capabilities

  Search the canonical 770-capability Verified/High decision graph directly. Use this when the question is about what an agent can actually do and under what execution conditions: task/capability text, API, category, action type, acted-on object, human approval, physical consequen…

• verify_requirement

  Verify whether one specific API can satisfy one exact requirement using the canonical Verified/High capability graph plus linked assertion evidence. Returns YES, NO, PARTIAL or UNKNOWN with matched capability, access/setup prerequisites, approval, safety, reversibility, reliabil…

• get_api

  Retrieve one canonical API decision profile when you already know its name or slug. The response includes the full Verified/High capability profile with execution, access, approval, reversibility, physical-consequence and evidence fields. Exact slug or exact API name is preferre…

• compare_apis

  Compare 2–8 already-known APIs side by side using canonical catalog fields plus capability-graph summary fields such as verified capability count, physical consequences, approval relevance and irreversibility. Use get_api for the full decision profile of one API and search_capab…

• compose_workflow

  Propose a planning-only API workflow from 1–8 structured steps. Include the complete original goal and restrictions. Returns canonical candidates, evidence, Unknown requirements and bounded alternatives. Does not draft with AI, verify execution readiness, implement processing or…

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