{"id":"universal-tool-calling-protocol-utcp-mcp","name":"utcp-mcp","homepage":null,"repo_url":"https://github.com/universal-tool-calling-protocol/utcp-mcp","category":"devtools","subcategories":[],"tags":["ai-agent","mcp","model-context-protocol","utcp","tool-calling","http","openapi","typescript","npm","bridge"],"what_it_does":"UTCP-MCP Bridge provides an MCP server that exposes UTCP “manuals” as MCP tools. It can be run via npx (no install step for the user) and is configured through a .utcp_config.json to register HTTP/OpenAPI-based tools, post-process tool outputs, and manage tool discovery/execution from an MCP client (e.g., Claude Desktop).","use_cases":["Expose UTCP tool definitions (especially HTTP/OpenAPI-based endpoints) to an MCP client as callable tools","Centralize tool registration/search/list/inspection and execution through MCP","Bridge an existing UTCP configuration into MCP clients without writing an MCP server per API","Filter/shape tool outputs via configurable post-processing before returning to the agent"],"not_for":["Production environments needing strong documented security controls at the MCP layer (auth, scopes, rate limits) without reviewing implementation","Use cases requiring guaranteed idempotent semantics for tool execution (not documented)","Workflows that require a stable, documented REST/OpenAPI interface beyond the MCP protocol"],"best_when":"You want a universal MCP bridge to rapidly expose many external HTTP/OpenAPI tools to agents, backed by a UTCP config that can be updated per project.","avoid_when":"You need explicit guidance on authentication, authorization scopes, rate-limits, and operational guarantees; also if you cannot validate the runtime behavior of the underlying UTCP/MCP tool execution.","alternatives":["Other MCP servers that directly wrap specific APIs with documented REST/OpenAPI interfaces","Build a dedicated MCP server around your target APIs with OpenAPI-driven tool schemas","Use UTCP directly in environments that already support UTCP tool calling without the MCP layer"],"af_score":46.2,"security_score":41.0,"reliability_score":32.5,"package_type":"mcp_server","discovery_source":["github"],"priority":"high","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-03-30T13:38:19.804888+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":true,"mcp_server_url":null,"has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":["MCP client -> bridge transport (unspecified in README)","Environment variables for UTCP/HTTP credentials via UTCP_CONFIG_FILE-driven config (dotenv loader supported)"],"oauth":false,"scopes":false,"notes":"README does not describe an authentication mechanism for the MCP server itself (e.g., API keys, OAuth, per-tool permissions). It only indicates environment-variable loading for downstream tool requirements."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"No pricing information provided; distribution appears via npm/npx for local execution."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":46.2,"security_score":41.0,"reliability_score":32.5,"mcp_server_quality":78.0,"documentation_accuracy":62.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":25.0,"rate_limit_clarity":20.0,"tls_enforcement":70.0,"auth_strength":20.0,"scope_granularity":10.0,"dependency_hygiene":60.0,"secret_handling":55.0,"security_notes":"The README suggests loading env vars (dotenv) and using per-project configs, which can help isolate secrets, but it does not document safe secret handling (logging/redaction) or transport/authz controls for the MCP server. TLS enforcement is assumed in typical deployments but not stated. No rate-limit or abuse-mitigation guidance is provided, and dependencies are only listed (no vulnerability posture given).","uptime_documented":0.0,"version_stability":55.0,"breaking_changes_history":40.0,"error_recovery":35.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["npx runs/downloads the latest version by default per README claim; this can cause behavioral drift unless pinned","Tool registration/execution behavior and error semantics are not described in README; agents may need additional probing/guardrails","Authentication/authorization for the MCP server is not documented; if the bridge is reachable beyond local trust boundaries, you may need to add network-level controls"]}}