Open Brain

Name: Open Brain
Author: Bobby-cell-commits

@Bobby-cell-commits

Self-hostable MCP memory server for AI assistants — 16 tools, hybrid search, knowledge graph, auto-dedup, staleness pruning, automated ingestion pipelines. Built on Supabase + pgvector.

Memory & Knowledge

Repository

Tools

Server config

{
  "mcpServers": {
    "open-brain": {
      "type": "http",
      "url": "https://<supabase-project-ref>.supabase.co/functions/v1/open-brain-mcp/<api-key>/mcp"
    }
  }
}

Basic information

License: MIT
Runtime: node
Transports: stdio
Publisher: Bobby-cell-commits
Submitted by: Bobby-cell-commits

Open Brain

Tools

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Open Brain

Tools

search_thoughtsSemantic search with optional graph expansion (1-hop traversal)

list_thoughtsBrowse thoughts filtered by type, topic, person, theme, quality, time

thought_statsAggregate statistics: counts, type/theme breakdown, top topics/people

capture_thoughtSave a new thought from any AI client (with auto-embedding)

get_connectionsGraph traversal from a thought (typed links: extends, contradicts, etc.)

list_entitiesBrowse extracted entities (people, tools, projects, orgs) by frequency

weekly_reviewAI-generated summary of themes, open loops, and next steps

analyzeGraph analysis: hubs, density, sources, co-occurrence, themes

dedup_reviewDuplicate candidates with similarity zone histogram

refresh_salienceRecompute all salience scores

update_thoughtRewrite content (re-embeds, re-extracts metadata)

delete_thoughtPermanent delete (cascades connections)

serendipity_digestResurface forgotten high-quality thoughts

pipelinePipeline monitoring: health status, run history, merge audit

review_staleReview and act on stale thought candidates

migration_guideInstructions for importing memories from other platforms

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