A self-hostable memory server for MCP clients (Claude, ChatGPT, any assistant that speaks MCP). Thoughts flow in from Telegram, pipelines, or direct capture, and land in a Newman-IDF weighted entity…
open-brain-server is an MCP project maintained in the bobby-cell-commits/open-brain-server repository. The maintainer describes its purpose as “A self-hostable memory server for MCP clients (Claude, ChatGPT, any assistant that speaks MCP). Thoughts flow in from Telegram, pipelines, or direct capture, and land…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://YOUR_REF.supabase.co/functions/v1/open-brain-mcp/mcp. It declares streamable-http transport. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| search_thoughts | Semantic search with optional graph expansion (1-hop traversal) |
| list_thoughts | Browse thoughts filtered by type, topic, person, theme, quality, time |
| thought_stats | Aggregate statistics: counts, type/theme breakdown, top topics/people |
| capture_thought | Save a new thought from any AI client (with auto-embedding) |
| get_connections | Graph traversal from a thought (typed links: extends, contradicts, etc.) |
| list_entities | Browse extracted entities (people, tools, projects, orgs) by frequency |
| weekly_review | AI-generated summary of themes, open loops, and next steps |
| analyze | Graph analysis: hubs, density, sources, co-occurrence, themes |
| dedup_review | Duplicate candidates with similarity zone histogram |
| refresh_salience | Recompute all salience scores |
| update_thought | Rewrite content (re-embeds, re-extracts metadata) |
| delete_thought | Permanent delete (cascades connections) |
| serendipity_digest | Resurface forgotten high-quality thoughts |
| pipeline | Pipeline monitoring: health status, run history, merge audit |
| review_stale | Review and act on stale thought candidates |
| migration_guide | Instructions for importing memories from other platforms |
{
"mcpServers": {
"open-brain": {
"type": "http",
"url": "https://YOUR_REF.supabase.co/functions/v1/open-brain-mcp/mcp",
"headers": {
"x-brain-key": "YOUR_X_BRAIN_KEY"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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