celiums/celiums-memory

Overview

Celiums Memory is an open-source cognitive engine for AI agents that provides persistent memory, a first-person journal, a four-layer ethics engine, and a per-user biological clock over the Model Context Protocol (MCP). It is written in TypeScript and licensed under Apache-2.0.

Best for

Best for
Developers experimenting with persistent memory and ethics for AI agents

Use cases

• Give AI agents long-term memory across sessions
• Enforce ethical constraints with a multi-layer ethics engine
• Simulate time-aware agent behavior with a per-user biological clock

How to use

Tools exposed

• DATABASE_URL
• SQLITE_PATH
• CELIUMS_API_KEY
• PORT
• QDRANT_URL
• VALKEY_URL
• PERSONALITY
• CELIUMS_LLM_API_KEY
• CELIUMS_LLM_BASE_URL
• CELIUMS_LLM_MODEL
• KNOWLEDGE_API_URL
• KNOWLEDGE_API_KEY
• OPENSEARCH_URL

Tested with

Claude Code, Cursor, Continue, Cline, OpenCode

Example client config

{\n  "mcpServers": {\n    "celiums-memory": {\n      "url": "http://localhost:3210/mcp",\n      "headers": { "Authorization": "Bearer cmk_your_key_here" }\n    }\n  }\n}

Notes

Celiums Memory is an open-source cognitive engine for AI agents that provides persistent memory, a first-person journal, a four-layer ethics engine, and a per-user biological clock over the Model Context Protocol (MCP). It is written in TypeScript and licensed under Apache-2.0.

15 stars on GitHub. Last updated 2026-05-19. Licensed Apache-2.0.

Use cases

• Give AI agents long-term memory across sessions
• Enforce ethical constraints with a multi-layer ethics engine
• Simulate time-aware agent behavior with a per-user biological clock

Pros

• Open-source with permissive Apache-2.0 license
• Modular design with MCP integration for agent interoperability
• Includes unique features like a journal and biological clock

Cons

• Very early stage with only 15 GitHub stars
• Limited community adoption and documentation
• Unclear production readiness or maintenance cadence

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.