head to head · open source
gentle-shell vs concord-mcp
gentle-shell has 1,339 GitHub stars, 204 forks, 369 open issues and last shipped yesterday. concord-mcp has 517 stars, 27 forks, 34 open issues and last shipped 2 days ago. gentle-shell leads on adoption by 159% (1,339 vs 517 stars). gentle-shell is written in TypeScript under MIT; concord-mcp is written in TypeScript under MIT. gentle-shell has attracted 15% as many forks as stars, concord-mcp 5%. gentle-shell was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 5 topic tags (ai-agents, code-review, coding-agents, 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
| gentle-shell | concord-mcp | |
|---|---|---|
| GitHub stars | ★ 1.3K | ★ 517 |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-16 | 2026-10-15 |
| Forks | ⑂ 204 | ⑂ 27 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick gentle-shell if
- You weight community size — 1.3K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick concord-mcp if
- You want the concord-mcp feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and concord-mcp fits your workflow better
About gentle-shell
gentle shell is a senior architect development harness for the Pi platform that turns a terminal coding agent into a controlled workspace with spec driven development, focused subagents, strict TDD evidence, review guardrails, and skill discovery.
read the full gentle-shell overview →
About concord-mcp
Concord MCP is an open source, local first communication and coordination layer that lets AI coding agents in different harnesses message each other and share work state through a single MCP server, and it is intended for developers and teams running more than one coding agent in the same repository.
read the full concord-mcp overview →
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Frequently asked questions
Is gentle-shell or concord-mcp more popular?
gentle-shell has 1,339 GitHub stars and concord-mcp has 517. gentle-shell has the larger community by that measure.
Are gentle-shell and concord-mcp free?
Both are open source. gentle-shell is licensed under MIT and concord-mcp under MIT. Neither carries a licence fee.
What is the difference between gentle-shell and concord-mcp?
gentle-shell is written in TypeScript and concord-mcp 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, gentle-shell or concord-mcp?
Choose gentle-shell if you want the larger community (1,339 stars) or its MIT licence terms. Choose concord-mcp if its feature set, stack or MIT licence fits better. Both are self-hostable.