MCP Comparison
Compare features, tools, and capabilities of these MCP servers side by side.
IO Aerospace MCP Server
IO Aerospace MCP Server is a production-ready Model Context Protocol (MCP) server designed for aerospace and astrodynamics calculations. It exposes a rich set of tools for celestial body ephemeris, orbital mechanics, DSN ground station operations, solar system object properties, and comprehensive unit and time system conversions. Built on the IO Aerospace Astrodynamics framework, this server delivers core algorithms for ephemerides, geometry, and time systems, enabling developers to integrate advanced aerospace calculations into local or hosted deployments. The project supports both modern streamable-HTTP transport and legacy SSE/STDIO configurations, with self-hosting options via Docker or native .NET deployments for flexible integration into existing ecosystems.
Graphiti MCP Server
Graphiti MCP Server is an experimental implementation that exposes Graphiti's real-time, temporally-aware knowledge graph capabilities through the MCP (Model Context Protocol) interface. It enables AI agents and MCP clients to interact with Graphiti's knowledge graph for structured extraction, reasoning, and memory across conversations, documents, and enterprise data. The server supports multiple backends (FalkorDB by default and Neo4j), a variety of LLM providers (OpenAI, Anthropic, Gemini, Groq, Azure OpenAI), and multiple embedder options, all accessible via an HTTP MCP endpoint at /mcp/ for broad client compatibility. It also includes queue-based asynchronous episode processing, rich entity types for structured data, and flexible configuration through config.yaml, environment variables, or CLI arguments.
| Feature | IO Aerospace MCP Server | Graphiti MCP Server |
|---|---|---|
| Verified | ||
| Official | ||
| Tools Available | 37 | 9 |
| Has Installation Guide | ||
| Has Examples | ||
| Website | ||
| Source Code |
- GetEphemerisAsStateVectors
- GetCelestialBodyProperties
- ConvertStateVectorToKeplerianElements
- ConvertStateVectorToEquinoctialElements
- ConvertStateVectorToEquatorialCoordinates
- ConvertKeplerianElementsToStateVector
- ConvertEquinoctialElementsToStateVector
- ConvertStateVectorToTheGivenFrame
- FindCoordinateConstraint
- FindDistanceConstraint
- +27 more tools
- add_episode
- search_nodes
- search_facts
- delete_entity_edge
- delete_episode
- get_entity_edge
- get_episodes
- clear_graph
- get_status
Can't decide? Check out both MCP servers for more details.