Knowledge & Memory

MCPNav listings

Showing 61–72 of 377 attributed MCPNav entries in the 2026-10-09 snapshot. This is a licensed subset of the category’s 964 deduplicated directory records.

Source coverage: MCP.so 626 · MCPNav 377. Catalog counts can overlap; the listing cards below contain only MCPNav records.

CI

Cairn.ink Memory

active

ink.cairn/memory

MCP provider published as Cairn.ink Memory. Listed version: 0.1.0.

Directory description: Cross-session memory for AI agents with a Source Receipt for every memory, over MCP.

Registry data grade ECohort score 63/100Raw points 80/100Version 0.1.0MCPKnowledge & MemoryMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 20 points
  • structure and url validation · 20 points
RepositoryRegistry sourceDeclared endpoint · streamable-http
C

callimachus

Directory record

MCP server for Callimachus: local index and search of your AI coding-agent threads

Knowledge & MemoryMCPNav
C—

Cathedral — Persistent Memory for AI Agents

active

io.github.AILIFE1/cathedral-mcp

MCP provider published as Cathedral — Persistent Memory for AI Agents. Listed version: 1.1.0.

Directory description: Persistent memory and drift detection for AI agents across session restarts.

Registry data grade AACohort score 94/100Raw points 80/100Version 1.1.0MCPKnowledge & MemoryMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 20 points
  • structure and url validation · 20 points
RepositoryRegistry sourceDeclared endpoint · streamable-http
CS

cc-sensei

Directory record

Explore Claude Code's source as queryable architecture modules: trace cross-cutting concerns, search patterns and read source code locally.

Knowledge & MemoryMCPNav
CM

celiums-memory

Directory record

Cognitive memory engine with knowledge modules, circadian rhythm awareness, emotional state tracking, hybrid PostgreSQL/Qdrant search and per-user isolation.

Knowledge & MemoryMCPNav
CI

central-intelligence

Directory record

Persistent memory for AI agents. Store, recall, and share knowledge across sessions.

Knowledge & MemoryMCPNav
CM

Central-Memory-MCP

Directory record

Workspace-grounded knowledge graph shared by multiple developers, hosted on Azure Functions with Table storage.

Knowledge & MemoryMCPNav
C

ChatCrystal

active

io.github.ZengLiangYi/chatcrystal

MCP provider published as ChatCrystal. Listed version: 0.6.1.

Directory description: Local-first AI PKM memory for coding conversations.

Registry data grade FFFCohort score 32/100Raw points 60/100Version 0.6.1MCPKnowledge & MemoryMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 5 points
  • structure and url validation · 15 points
RepositoryRegistry source
CE

claude-engram

Directory record

Local persistent memory for Claude Code: tracks mistakes and decisions via hooks, searches session history, detects loops and warns before edits.

Knowledge & MemoryMCPNav
CF

claude-find

Directory record

Pull Deep Memory from across your Claude Code Sessions — when you need it.

Knowledge & MemoryMCPNav
CH

claude-handoff

Directory record

Session handoff for Claude Code: list sessions and build handoff docs another agent continues from.

Knowledge & MemoryMCPNav
CS

claude-soul

Directory record

Learning engine for Claude Code: extracts signals from sessions, runs periodic reflections and promotes or retires behavioral frameworks based on evidence.

Knowledge & MemoryMCPNav

Source: MCPNav public API · License and upstream attribution. MCPNav-added fields are CC BY 4.0; upstream source fields retain their listed licenses.

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