head to head · open source
ECC vs codebase-memory-mcp
ECC has 263,046 GitHub stars, 39,368 forks, 204 open issues and last shipped today. codebase-memory-mcp has 43,844 stars, 3,573 forks, 597 open issues and last shipped today. ECC leads on adoption by 500% (263,046 vs 43,844 stars). ECC is written in JavaScript under MIT; codebase-memory-mcp is written in C under MIT. ECC has attracted 15% as many forks as stars, codebase-memory-mcp 8%. codebase-memory-mcp was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (claude-code, developer-tools), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ECC | codebase-memory-mcp | |
|---|---|---|
| GitHub stars | ★ 263K | ★ 44K |
| License | MIT | MIT |
| Written in | JavaScript | C |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 39K | ⑂ 3.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 263K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick codebase-memory-mcp if
- You want the codebase-memory-mcp feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C
- You evaluated both and codebase-memory-mcp fits your workflow better
About ECC
ECC is an MIT licensed open source agent harness performance optimization system that gives AI coding agents a coordinated engineering workflow — plan, test, implement, review, verify, remember, improve — for developers working in Claude Code, Codex, OpenCode, Cursor, and other harnesses.
About codebase-memory-mcp
codebase memory mcp is a high performance code intelligence MCP server, written in C, that indexes a codebase into a persistent knowledge graph so AI coding agents can answer structural questions in under a millisecond, and it is built for developers and teams who run agents such as Cursor, Claude Code, Codex, Gemini CLI, aider, or Kilo Code against large repositories.
read the full codebase-memory-mcp overview →
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Frequently asked questions
Is ECC or codebase-memory-mcp more popular?
ECC has 263,046 GitHub stars and codebase-memory-mcp has 43,844. ECC has the larger community by that measure.
Are ECC and codebase-memory-mcp free?
Both are open source. ECC is licensed under MIT and codebase-memory-mcp under MIT. Neither carries a licence fee.
What is the difference between ECC and codebase-memory-mcp?
ECC is written in JavaScript and codebase-memory-mcp in C. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ECC or codebase-memory-mcp?
Choose ECC if you want the larger community (263,046 stars) or its MIT licence terms. Choose codebase-memory-mcp if its feature set, stack or MIT licence fits better. Both are self-hostable.