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RAG & Memory

🧠codebase-memory-mcp

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DeusData/codebase-memory-mcp · homepage ↗

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph, average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

⭐ Very popular: 36k stars, gaining about 2k a week

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repo profile

delivery product
language C
license MIT

momentum

total stars 36k
stars added last week +2k
binary downloads 208k total · GitHub releases
commits / week 97 steady · -3% vs prior mo
contributors 101
release cadence fortnightly
last activity today

durability

backing community / independent
openness permissive
security score 7.7/10 OpenSSF Scorecard · 2026-07-18
bus factor 1 solo
top-author share 64% 6 mo

bus factor = how many people it takes to cover more than half the commits (6 months). 1 is a solo project; higher means the work is spread across a team. top-author share is the single busiest author's slice of those commits.

why it's a big deal

  • It reframes code context as a graph to traverse rather than a pile of files to re-read, which is where most of an agent’s token budget quietly disappears.
  • It runs entirely local with zero telemetry - the kind of primitive that gets more appealing exactly as agent vendors consolidate.
  • It is agent-agnostic by design, wiring itself into eleven assistants from a single install rather than betting on one ecosystem.

under the hood

  • Single static binary, zero runtime dependencies, on macOS, Linux and Windows; tree-sitter grammars for 158 languages compiled in.
  • RAM-first pipeline with LZ4 compression and in-memory SQLite; claims a full index of the Linux kernel in about three minutes and sub-millisecond queries.
  • 14 MCP tools including call-graph tracing, git-diff impact analysis and dead-code detection; signed releases with SLSA 3 provenance. MIT-licensed.

our take from PR#38, 2026-07-15

star history

PR#38 · 32k36k now Feb 2026Jul 2026
  1. PR#38 32k 2026-07-15
  2. now 36k + 4k since first covered

curve is sampled from GitHub's star history, plus our own daily readings since we covered it; the dashed stretch is before we first covered it, the solid line since. figures at coverage are the numbers we printed then (approx.), current count is live.

understory

Output and attention are roughly in balance.

+4 understory score output 93 · clout 89
Aug 2025 Jul 2026
  • output, commits & releases
  • clout, star velocity

output = commits & releases; clout = star velocity, both 0 to 100 monthly indices; the gap where output runs above clout is the understory. The understory →

covered in

  • PR#38 2026-07-15 on the radar

    your repo as a local knowledge graph

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