{"data":{"slug":"mcp-tool","term":"MCP Tool","bucket":"agents","definition":"A callable action exposed over MCP. Each tool has a typed input schema, output schema, and capability binding.","short_definition":"A callable action exposed over MCP. Each tool has a typed input schema, output schema, and capability binding.","long_definition":"An MCP Tool is one named, typed action an agent can invoke: search_signal_canvas, get_buildability_receipt, submit_build_attempt, etc. Inputs and outputs are validated against the contract schemas, and every successful call is receipt-backed so downstream consumers can verify provenance.","related_terms":["mcp","capability-index"],"related_term_routes":[{"slug":"mcp","term":"MCP","route":"/resources/glossary/mcp"},{"slug":"capability-index","term":"Capability Index","route":"/resources/glossary/capability-index"}],"canonical_route":"/resources/glossary/mcp-tool","api_route":"/api/v1/resources/glossary/mcp-tool","jsonld_id":"https://sciencetostartup.com/resources/glossary/mcp-tool","variants":[],"tldr":"A callable action exposed over MCP. Each tool has a typed input schema, output schema, and capability binding.","key_points":[],"quality_tier":null,"citation_count":null,"source_state":"curated_static","source_module":"apps/web/data/glossary/terms.ts","definition_sections":{"schema_version":1,"intro":"An MCP Tool is one named, typed action an agent can invoke: search_signal_canvas, get_buildability_receipt, submit_build_attempt, etc. Inputs and outputs are validated against the contract schemas, and every successful call is receipt-backed so downstream consumers can verify provenance.","sections":[{"title":"Definition","items":[{"subtitle":"MCP Tool","text":"An MCP Tool is one named, typed action an agent can invoke: search_signal_canvas, get_buildability_receipt, submit_build_attempt, etc. Inputs and outputs are validated against the contract schemas, and every successful call is receipt-backed so downstream consumers can verify provenance."}]},{"title":"Related vocabulary","items":[{"subtitle":"MCP","text":"Model Context Protocol — the public remote tool surface. Agents call streamable-http MCP tools to query papers, scores, and buildability."},{"subtitle":"Capability Index","text":"The machine-readable product graph at /api/capabilities.json. Lists every REST, MCP, and discovery surface."}]}],"cited_arxiv_ids":[]}},"meta":{"canonical_route":"/resources/glossary/mcp-tool","api_route":"/api/v1/resources/glossary/mcp-tool","source":{"label":"curated glossary catalog","source_state":"curated_static","source_module":"apps/web/data/glossary/terms.ts","method_version":"public_glossary_curated_terms_v2","freshness":{"status":"versioned","observed_at":null,"fresh_until":null,"reason":"Git-versioned curated catalog; daily ingestion freshness windows do not apply.","reason_code":"git_versioned_curated_catalog"},"source_count":111,"bucket_count":7,"buckets":["scoring","surfaces","agents","distribution","data","foresight","buildability"]}}}