Looking for an alternative to Callosium? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Knowledge & Memory ecosystem, we have cataloged and compared the top alternative MCP servers below.
One shared memory for every AI you use, in plain Markdown files you own.
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
| npx | Free/None | Free | 9 | — | Current | |
| npx | API key | Freemium | 2 | 25 | Compare → | |
| npx | No auth required | Free | 50 | 12 | Compare → | |
A Agentage Memory | Remote (SSE) | Free/None | Free | — | — | Compare → |
| uvx | Free/None | Free | 149 | — | Compare → | |
M Memroam | Remote (SSE) | Free/None | Free | — | — | Compare → |
| npx | Free/None | Free | 7 | — | Compare → | |
| Remote (SSE) | Free/None | Free | — | — | Compare → | |
| npx | Free/None | Free | — | — | Compare → | |
| Remote (SSE) | Free/None | Free | 123 | — | Compare → | |
M Minutes | npx | Free/None | Free | 1,469 | — | Compare → |
| npx | Free/None | Free | — | — | Compare → | |
| npx | No auth required | Freemium | 3,905 | — | Compare → |