Looking for an alternative to RE Call MCP Memory Server? 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.
Trustworthy Postgres plus pgvector memory for AI agents.
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
| — | Free/None | Free | 5 | — | Current | |
| npx | API key | Freemium | 2 | 25 | Compare → | |
| npx | No auth required | Free | 62 | 12 | Compare → | |
P Perenna | uvx | Free/None | Free | 40 | — | Compare → |
| uvx | Free/None | Free | 582 | — | Compare → | |
| npx | Free/None | Free | 8 | — | Compare → | |
| npx | No auth required | Free | 43,832 | 1 | Compare → | |
| npx | API key | Free | 62,369 | — | Compare → | |
| npx | Free/None | Free | 15 | — | Compare → | |
| npx | Free/None | Free | 4 | — | Compare → | |
| npx | Free/None | Free | 1,488 | — | Compare → | |
| npx | Free/None | Free | 3,690 | — | Compare → | |
| npx | Free/None | Free | 390 | — | Compare → |