{"id":"rggh-rig-mcp-server","name":"rig-mcp-server","homepage":null,"repo_url":"https://github.com/RGGH/rig-mcp-server","category":"devtools","subcategories":[],"tags":["mcp-server","rust","sse","agent-integration","rig","inspector"],"what_it_does":"A Rust example MCP (Model Context Protocol) server using SSE transport, with a simple registered tool (Add) and a demo client that initializes and lists tools, then integrates with a RIG agent to prompt an LLM using the MCP tool.","use_cases":["Building MCP servers in Rust with SSE transport","Providing tool/function calling via MCP for LLM agents","Testing and inspecting MCP servers using the MCP Inspector web UI","Demoing end-to-end integration between MCP tools and a RIG agent"],"not_for":["Production deployments requiring authentication/authorization, unless additional security is implemented","Use cases needing standardized REST/GraphQL/OpenAPI contracts","Highly reliable, documented operational services without further hardening"],"best_when":"You want a lightweight Rust MCP SSE example or prototype tool-calling integration for an LLM workflow.","avoid_when":"You need strong built-in security controls, formal API documentation, or production-grade operational guarantees out of the box.","alternatives":["Other MCP transports (if supported by your stack) or different MCP server implementations","Direct tool/function calling via the LLM SDK without MCP (for simpler scenarios)","Using an OpenAPI-first microservice + agent connector (when REST contracts are required)"],"af_score":34.5,"security_score":24.0,"reliability_score":22.5,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-04-04T19:34:55.269116+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":true,"mcp_server_url":"http://127.0.0.1:3001/sse (example shown in README)","has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":[],"oauth":false,"scopes":false,"notes":"The README does not describe any authentication/authorization mechanism for the MCP SSE endpoint or the inspector connection."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"Appears to be a self-hosted example project; no pricing details provided."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":34.5,"security_score":24.0,"reliability_score":22.5,"mcp_server_quality":55.0,"documentation_accuracy":45.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":20.0,"rate_limit_clarity":0.0,"tls_enforcement":20.0,"auth_strength":5.0,"scope_granularity":0.0,"dependency_hygiene":45.0,"secret_handling":60.0,"security_notes":"No authN/authZ is described for the MCP SSE endpoint. The example uses plain localhost URLs in README; TLS and transport security are not discussed. README does not mention secret handling patterns, rate limiting, or input validation beyond tool parameters.","uptime_documented":0.0,"version_stability":30.0,"breaking_changes_history":40.0,"error_recovery":20.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["No authentication described; agents/integrations may inadvertently expose the SSE endpoint if deployed publicly","Example tool is simple (Add); real tools may require stronger validation, timeouts, and error mapping"]}}