{"id":"space-mcp-server","name":"space-mcp-server","af_score":62.8,"security_score":45.5,"reliability_score":18.8,"what_it_does":"An MCP server (stdio-based) that exposes NASA/space-related tools to AI agents, including APOD, NASA image search, exoplanets, space weather (DONKI), Mars rover photos/info, near-Earth objects (NeoWs), asteroid orbital details, Earth imagery (EPIC), and natural events (EONET).","best_when":"You want an agent to call curated, read-only NASA/space datasets via MCP for lightweight automation and research.","avoid_when":"You need strict operational guarantees, robust per-request authorization controls, or a documented stable public contract/versioned schemas beyond basic MCP tool definitions.","last_evaluated":"2026-04-04T21:43:58.561075+00:00","has_mcp":true,"has_api":false,"auth_methods":["NASA API key via NASA_API_KEY environment variable (DEMO_KEY optional)"],"has_free_tier":false,"known_gotchas":["Upstream NASA rate limits apply; agents may receive failures when limits are hit (especially with DEMO_KEY).","Some sources are described as 'no limit' but MCP server may still need its own backoff/timeouts (not documented).","Tool inputs/outputs are not shown in the README; agents may need to infer schemas or rely on MCP-provided JSON schema/tool definitions at runtime.","Because it’s stdio-based MCP, deployment requires running the server process alongside the agent runtime and providing env vars (NASA_API_KEY)."],"error_quality":0.0}