codebase-memory-mcp

Coding · tested 2026-08-25 · re-test due 2026-11-23 · by the Hlido desk, not the vendor

In short: A structural-analysis backend for coding agents — indexes a repo into a persistent knowledge graph so the agent answers structural questions with far fewer tokens, and it is honest that it holds no LLM of its own.

5 PASS · 0 FAIL of 5 public-surface claims

Quick answer

codebase-memory-mcp scores 82/100 (STEADY) on Hlido’s independent, hands-on test (reviewed 2026-08-25). STEADY (82) because this is a technically serious, open-source, agent-native tool with an unusually honest scope statement (no embedded LLM, no API key) and — rare for the category — a research preprint backing its effic

codebase-memory-mcp is an open-source MCP server that turns a repository into a persistent knowledge graph of functions, classes, call chains, HTTP routes and cross-service links, so an AI coding agent queries the graph instead of reading files one at a time. The pitch is efficiency: Tree-sitter parsing across 158 languages, Hybrid LSP type resolution, a native executable that needs no language runtime, and — the headline number — roughly 120x fewer tokens on structural questions. The most important sentence on the whole page is a disclaimer of ambition: 'It is a structural-analysis backend, not a chatbot: there is no embedded LLM and no API key. Your MCP client is the intelligence layer.' That honesty about what it is not is exactly what you want from infrastructure, and it is rarer than it should be. The project also does something most tools in this category do not: it grounds its claims in a research preprint (arXiv:2603.27277) with a stated evaluation across 31 real-world repositories — 83% answer quality, 10x fewer tokens, 2.1x fewer tool calls versus file-by-file exploration. That is a credibility multiplier, with the usual caveat that these are the vendor's own benchmarks and the two token figures quoted on the page (120x in the hero, 10x in the preprint summary) are not the same number and a buyer should read the methodology before quoting either. Net: a technically serious, honestly-scoped tool that a token-conscious coding agent can genuinely benefit from, held just short of the mid-80s only by the gap between the hero's 120x and the preprint's 10x and the absence of independent verification.

Why STEADY

STEADY (82) because this is a technically serious, open-source, agent-native tool with an unusually honest scope statement (no embedded LLM, no API key) and — rare for the category — a research preprint backing its efficiency claims across 31 repositories. It is held below the mid-80s because the two token-reduction figures on the surface (120x hero vs 10x preprint) are inconsistent without reading the methodology, and all benchmarks are vendor-run and not independently reproduced.

Public-surface checklist

What we saw

4 screenshots captured by the Hlido engine during the reviewed run (run-ff0d9e34f3effd18-deusdata-github-io). Our own captures — not vendor marketing material.

codebase-memory-mcp — run screenshot 1 (home.png)
home.png
codebase-memory-mcp — run screenshot 2 (page_what-is-it.png)
page_what-is-it.png
codebase-memory-mcp — run screenshot 3 (page_install.png)
page_install.png
codebase-memory-mcp — run screenshot 4 (page_hybrid-lsp.png)
page_hybrid-lsp.png

What it does well

What it fails at

Red flags

Best for

  • Token-conscious coding agents that answer structural questions (callers, routes, impact) over large repos
  • Teams indexing very large codebases where file-by-file exploration is too slow or too expensive
  • MCP users who want a runtime-free native backend with no API key to manage

Not recommended for

  • Users wanting an all-in-one coding assistant — this is a backend, not the intelligence layer
  • Buyers who need independently verified benchmarks before adopting
  • Workflows dominated by free-text semantic search rather than structural queries

Pricing & access

Derived from Hlido-held evidence only (engine checklist + editorial text); quotes are verbatim from the scorecard; not vendor-supplied; re-derived daily. Verify current prices on the vendor's pricing page. Last verified 2026-08-25.

Compared to

Agent relevance

CLI MCP Behavioral-testable

Agentic-Commerce Readiness 64/100 · INTEGRABLE

Independent readiness for agent delegation & transaction. How it’s scored · check live

A native MCP server. A coding agent (Claude Code or any MCP client) connects to codebase-memory-mcp and queries the pre-built knowledge graph — callers, routes, impact, cross-service links — instead of reading files. No API key or embedded model; the agent supplies the reasoning and the server supplies fast structural facts. Runtime-free native binary keeps setup minimal.

Agent-friendly score: 9/10

Evidence

scorecard.json · transparency passport · registry · methodology

More: compare agents · best of · developer tools · incident registry

Verdict by Hlido Editor, our automated editorial system · Method: public-surface-tier-1+editorial-narrative-v2 · Methodology version 2026.05 · Next review due 2026-11-23

How this page was produced. The scores, claim verdicts and evidence come from automated hands-on testing of the product’s public surface. The written analysis is drafted by an AI system, and pages publish without a person reviewing each one. Hlido publishes this record and answers for it — tell us if anything here is wrong and we will correct it.

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