Looking for an alternative to Collective Memory? 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.
MCP server for persistent, semantic memory across AI sessions
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
C Collective Memory (Target) | npx | Free/None | Free | — | — | Current |
M Mcp Memento | npx | Free/None | Free | — | — | Compare → |
| npx | API key | Freemium | 2 | 25 | Compare → | |
| Remote (SSE) | Free/None | Free | — | — | Compare → | |
| Remote (SSE) | Free/None | Free | 115 | — | Compare → | |
T Throughline | Remote (SSE) | Free/None | Free | — | — | Compare → |
C Cortex | Remote (SSE) | Free/None | Free | — | — | Compare → |
M Memory | npx | Free/None | Free | — | — | Compare → |
| uvx | Free/None | Free | 60 | — | Compare → | |
M Memory | npx | Free/None | Free | — | — | Compare → |
M Memory Nexus Mcp | npx | Free/None | Free | — | — | Compare → |
C Corvid | Remote (SSE) | Free/None | Free | — | — | Compare → |
| npx | API key | Bring your own API key (usage-based cost) | 633 | — | Compare → |