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Open Brain

https://{supabase_project_ref}.supabase.co/functions/v1/open-brain-mcp/{api_key}/mcp

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Personal knowledge graph with 16 MCP tools. Auto-links, deduplicates, tracks themes, synthesizes.

Transport

streamable-http

Auth

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Cost

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How to connect

MCP endpoint (streamable-http)

https://{supabase_project_ref}.supabase.co/functions/v1/open-brain-mcp/{api_key}/mcp

JSON-RPC initialize probe

curl -X POST https://{supabase_project_ref}.supabase.co/functions/v1/open-brain-mcp/{api_key}/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'

Source code

https://github.com/Bobby-cell-commits/open-brain-server