space-mcp-server
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).
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Security posture relies largely on upstream public NASA APIs. The server is configured via NASA_API_KEY env var; README does not mention secret redaction/logging practices, TLS/transport details for outbound calls, or any internal auth/authorization or fine-grained access control for MCP tool usage. No evidence of additional security features (scopes, tenant isolation, audit logging) in the provided materials.
⚡ Reliability
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.
Use Cases
- • Letting an AI agent retrieve and summarize NASA space data (e.g., APOD, exoplanets)
- • Building space/astronomy chat or research assistants with tool-augmented browsing
- • Automating workflows that fetch imagery/events/orbital data for analysis or reporting
- • Exploration/education bots that can fetch up-to-date space content
Not For
- • High-throughput production APIs requiring guaranteed latency/SLAs
- • Use as a general-purpose data platform beyond the specific NASA datasets it wraps
- • Security-sensitive applications that require strong tenant isolation or custom authorization policies beyond upstream APIs
Interface
Authentication
No separate auth/authorization is described for the MCP server itself; access control appears to rely on the upstream NASA API key requirement for some tools.
Pricing
Pricing is not for the MCP server; upstream NASA API has rate limits for DEMO_KEY vs registered keys (e.g., 30/hour for DEMO, 1000/hour registered). Other referenced APIs are described as no limit.
Agent Metadata
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).
Alternatives
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Scores are editorial opinions as of 2026-04-04.