[SonAIengine/graphtoolcall](https://github.com/SonAIengine/graphtoolcall) [](https://glama.ai/mcp/servers/SonAIengine/graphtoolcall) 🐍 🏠 When tool count exceeds LLM context limits, accura
[SonAIengine/graphtoolcall](https://github.com/SonAIengine/graphtoolcall) [](https://glama.ai/mcp/servers/SonAIengine/graphtoolcall) 🐍 🏠 When tool count exceeds LLM context limits, accuracy collapses (248 tools → 12%). graphtoolcall builds a tool graph from OpenAPI/MCP specs and retrieves multistep workflows via hybrid search (BM25 + graph traversal + embedding), recovering accuracy to 82% with 79% fewer tokens. Zero dependencies. Also works as an MCP Proxy — aggregate multiple MCP servers behind 3 metatools.
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