head to head · open source
codebase-memory-mcp vs plandex
codebase-memory-mcp has 45,683 GitHub stars, 3,749 forks, 612 open issues and last shipped yesterday. plandex has 15,687 stars, 1,178 forks, 66 open issues and last shipped 1.0 years ago. codebase-memory-mcp leads on adoption by 191% (45,683 vs 15,687 stars). codebase-memory-mcp is written in C under MIT; plandex is written in Go under MIT. codebase-memory-mcp has attracted 8% as many forks as stars, plandex 8%. codebase-memory-mcp was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| codebase-memory-mcp | plandex | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 16K |
| License | MIT | MIT |
| Written in | C | Go |
| Last push | 2026-10-02 | 2025-10-03 |
| Forks | ⑂ 3.7K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codebase-memory-mcp if
- You weight community size — 46K stars and counting
- You want the MIT license terms
- Your stack matches C
- You value the larger contributor base for long-term maintenance
pick plandex if
- You want the plandex feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and plandex 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 plandex
Plandex is an open source, terminal based AI coding agent for developers who need to plan and execute large coding tasks spanning dozens of files in real world projects.
read the full plandex overview →
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Frequently asked questions
Is codebase-memory-mcp or plandex more popular?
codebase-memory-mcp has 45,683 GitHub stars and plandex has 15,687. codebase-memory-mcp has the larger community by that measure.
Are codebase-memory-mcp and plandex free?
Both are open source. codebase-memory-mcp is licensed under MIT and plandex under MIT. Neither carries a licence fee.
What is the difference between codebase-memory-mcp and plandex?
codebase-memory-mcp is written in C and plandex in Go. 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 plandex?
Choose codebase-memory-mcp if you want the larger community (45,683 stars) or its MIT licence terms. Choose plandex if its feature set, stack or MIT licence fits better. Both are self-hostable.