head to head · open source
codebase-memory-mcp vs Convex
codebase-memory-mcp has 43,844 GitHub stars, 3,573 forks, 597 open issues and last shipped today. Convex has 12,583 stars, 814 forks, 220 open issues and last shipped yesterday. codebase-memory-mcp leads on adoption by 248% (43,844 vs 12,583 stars). codebase-memory-mcp is written in C under MIT; Convex is written in TypeScript under a custom or non-standard licence. codebase-memory-mcp has attracted 8% as many forks as stars, Convex 6%. codebase-memory-mcp was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| codebase-memory-mcp | Convex | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 13K |
| License | MIT | Custom / other |
| Written in | C | TypeScript |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 3.6K | ⑂ 814 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codebase-memory-mcp if
- You weight community size — 44K stars and counting
- You want the MIT license terms
- Your stack matches C
- You value the larger contributor base for long-term maintenance
pick Convex if
- You want the Convex feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Convex fits your workflow better
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 →
About Convex
Convex is an open source reactive database for web application developers, with a Rust backend and TypeScript packages, in the backend, database, and TypeScript ecosystem. It combines a database, server functions, and client libraries so developers can fetch data and perform business logic in pure TypeScript while keeping strong consistency and live updating behavior.
read the full Convex overview →
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Frequently asked questions
Is codebase-memory-mcp or Convex more popular?
codebase-memory-mcp has 43,844 GitHub stars and Convex has 12,583. codebase-memory-mcp has the larger community by that measure.
Are codebase-memory-mcp and Convex free?
Both are open source. codebase-memory-mcp is licensed under MIT, and Convex has no licence declared in this registry. Both are free to self-host.
What is the difference between codebase-memory-mcp and Convex?
codebase-memory-mcp is written in C and Convex in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, codebase-memory-mcp or Convex?
Choose codebase-memory-mcp if you want the larger community (43,844 stars) or its MIT licence terms. Choose Convex if its feature set, stack or Custom / other licence fits better. Both are self-hostable.