MCP Servers / productivity / Open-Brain

Open-Brain

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httpnone7productivity

MCP memory server that builds a knowledge graph as you capture thoughts. 16 tools. Self-hostable.

Install
How to run this server
[ { "cmd": "npm install -g supabase", "imports": [] } ]
server path: open-brain
Tools
What this server exposes
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
Configuration
Environment & auth
authnone
envYOUR_BOT_TOKEN
envYOUR_MCP_KEY
envMCP_ACCESS_KEY
Resources
Open-Brain — MCP Server · libregistry