head to head · open source
codebase-memory-mcp vs herdr
codebase-memory-mcp has 48,082 GitHub stars, 3,959 forks, 552 open issues and last shipped yesterday. herdr has 47,915 stars, 3,844 forks, 337 open issues and last shipped yesterday. codebase-memory-mcp leads on adoption by 0% (48,082 vs 47,915 stars). codebase-memory-mcp is written in C under MIT; herdr is written in Rust under Apache-2.0. codebase-memory-mcp has attracted 8% as many forks as stars, herdr 8%. codebase-memory-mcp was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (claude-code, codex, 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 | herdr | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 48K |
| License | MIT | Apache-2.0 |
| Written in | C | Rust |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 4.0K | ⑂ 3.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codebase-memory-mcp if
- You weight community size — 48K stars and counting
- You want the MIT license terms
- Your stack matches C
- You value the larger contributor base for long-term maintenance
pick herdr if
- You want the herdr feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and herdr fits your workflow better
About codebase-memory-mcp
codebase memory mcp: local code intelligence for AI agents via MCP Understand your repository, from source code to the systems around it. codebase memory mcp is an MCP server that connects code, documentation, configuration, and infrastructure in a persistent local knowledge graph. Use it to find an unfamiliar feature, follow a call across services, trace a deployment back to its source, or assess which parts of a project a change could affect. Give your coding agent structural context through Model Context Protocol (MCP), or query the graph directly from the CLI. The MCP server is the core of the project. Its…
read the full codebase-memory-mcp overview →
About herdr
herdr herdr.dev · install · quick start · docs English · 简体中文 the runtime your coding agents live on. detach without stopping work — herdr keeps terminals running in a background server when you close the client or lose your SSH connection. after a server or machine restart, herdr restores the saved layout and can resume supported agent sessions; the original processes do not survive. session state → several machines, one window — keep local work and saved ssh machines together, with a combined agent list and independent reconnects. remote machines → never hunt for the stuck one — every pane is marked working…
read the full herdr overview →
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Frequently asked questions
Is codebase-memory-mcp or herdr more popular?
codebase-memory-mcp has 48,082 GitHub stars and herdr has 47,915. codebase-memory-mcp has the larger community by that measure.
Are codebase-memory-mcp and herdr free?
Both are open source. codebase-memory-mcp is licensed under MIT and herdr under Apache-2.0. Neither carries a licence fee.
What is the difference between codebase-memory-mcp and herdr?
codebase-memory-mcp is written in C and herdr in Rust. 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 herdr?
Choose codebase-memory-mcp if you want the larger community (48,082 stars) or its MIT licence terms. Choose herdr if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.