Head to head
GrayMatter vs MCP Server
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
No reviews yet
Persistent agent memory as a single Go binary: knowledge graph, TUI observability, zero infra.
Full listingNo reviews yet
Build Apps and run code in 30 languages — sandboxed, with persistent sessions for agent loops.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (70 and 67 out of 100). MCP Server is hosted and callable through the gateway; GrayMatter runs on your own machine. GrayMatter has noticeably more public adoption.
| GrayMatter | MCP Server | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | B70/100 | C67/100 |
| Adoption | Growing | New |
| GitHub stars | 471 | – |
| Downloads / week | – | – |
| Runs where | Your machine (local) | Hosted (remote) |
| Gateway-ready | No | Yes |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | MIT | — |
| Last release | 2026-09-20 | — |
| Category | AI and agents | AI and agents |