Looking for an alternative to Celiums 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.
The celiums/celiums-memory MCP server provides persistent memory, journaling, ethics evaluation, knowledge search, and per-user biological-clock state for compatible agents. It exposes 61 typed tools through an HTTP MCP endpoint, with automatic context loading on the first request. Storage can use local SQLite or PostgreSQL with Qdrant and Valkey, while optional LLM providers support AI-backed tools. Reach for it when an agent needs durable, isolated memory and auditable journal or ethics workflows rather than a user-facing application.
Direct comparison of key metrics, runtimes, authentication methods, and community popularity.
| Server Name | Runtime | Auth | Pricing | GitHub Stars | Downloads | Action |
|---|---|---|---|---|---|---|
| npx | API key | Free | 23 | — | Current | |
| npx | API key | Freemium | 2 | 25 | Compare → | |
| npx | No auth required | Free | 67 | 12 | Compare → | |
| npx | API key | Free | 46,795 | — | Compare → | |
| npx | No auth required | Free | 1,146 | — | Compare → | |
| uvx | API key | Bring your own API key (usage-based cost) | 10 | — | Compare → | |
| uvx | Free/None | Free | 270 | — | Compare → | |
| uvx | Free/None | Free | 42 | — | Compare → | |
| uvx | No auth required | Free | 270 | — | Compare → | |
E Engram | npx | Free/None | Free | 15 | — | Compare → |
| npx | API key | Bring your own API key (usage-based cost) | 8 | — | Compare → | |
| npx | No auth required | Free | 24 | — | Compare → | |
| npx | API key | Freemium | 3 | — | Compare → |