MCP Servers
Model Context Protocol servers that connect Claude to tools, APIs, and data.
What are you trying to do?
ckg-mcp
97-domain knowledge graphs for AI agents — 4× F1 of RAG, 11× fewer tokens. MCP-native.
Octobrain
Persistent memory for AI assistants with semantic search and knowledge graph relationships.
plur
Open, local-first engram memory for AI agents: read, correct, delete; shared over MCP.
recall-risk
Check a product's recall risk: score + active CPSC/FDA/NHTSA recalls for a product or brand.
mwe-mcp — Memory Wiki Engine
Self-hosted multi-user memory for AI agents: a human-readable Markdown wiki with per-fragment ACL.
alaya-mcp
Local memory engine for AI agents with knowledge graphs, forgetting, and semantic recall
mcp-external-memory
An MCP server that gives LLMs persistent, searchable semantic memory
Bourdon
Recognition-first cross-agent memory federation. One shared memory across all your agents.
memory-mcp
MCP server for AI memory management using Letta - Standard MCP format
NVIDIA NeMo Curator + LLaWA CKG
NVIDIA NeMo Curator + LLaWA knowledge graphs — 55 nodes, data curation pipelines. MCP-native.
memshelf-mcp
Working memory for AI agents: digest-indexed episodes on a git shelf, recalled a section at a time.
projectmind
Persistent project memory for AI coding agents: one compact digest instead of re-reading the repo.
filamental
Read/write access to your Filamental knowledge graph vault. 12 tools. Local-first, no auth.
mengram
Long-term memory for AI agents: semantic facts, episodic events, and procedural workflows
WorkingMemory
Persistent personal memory for AI assistants — save, search, and recall across every MCP client.
agence
AI governance MCP server — policy enforcement, skills, memory, multi-LLM consensus
Marrow
Evidence-grounded, graph-connected, correctable memory for agents.
Remembra — AI Memory Layer
Persistent AI memory with entity resolution, temporal knowledge graph & 11 MCP tools.
robrain
Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach.
AI Context Flow
Universal memory for AI agents and tools. Save, organize and search context anywhere.
State Memory MCP
Deterministic, persistent graph server for tracking workflow state, decisions, and blockers.
memharness
Bi-temporal, provenance-carrying long-term memory for AI agents, in one SQLite file.
memini
Local-first project memory and mistake-prevention guardrails for AI coding agents.
changebook
Query your product's living memory: module map + analyzed change history. Read-only MCP tools.