Memory & Knowledge MCP Servers for HTTP / API

Turn AI conversations into visual knowledge maps. Create, connect, search, and organize thoughts.

Personal knowledge base MCP server with semantic search, auto-categorization, metadata extraction

Ultra-fast persistent memory workspace with tenant isolation and cross-model continuity.

Personal knowledge graph as an AI memory layer over MCP - read, save, and link your memories.

Self-hostable shared brain for you and your AI agents — docs, flows, meetings, decisions, rationale

Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.

Personal knowledge MCP: capture bookmarks, notes & todos by chat; archive pages; search memory.

Cloud-hosted MCP server for durable AI memory

Your personal knowledge base and memory for AI agents: search, explore and feed your myBrain.

Shared Markdown notes and canvases that people and AI agents edit together; agents suggest edits.

Shared memory across AI dev tools: each session hands its context to the next, not starting cold.

Save an AI chat's working state, load it in any other model or provider. Verified, secret-safe.

Multiple MCP tools, persistent graph memory, token-saving data pointers, and more.

Cross-session, cross-device memory for your agent: remember and recall notes. No key to start.

NeuralBrain MCP Server - RAG, Vector Memory, LLM Routing, Agent Identity, x402 Payments

Cross-AI personal memory. Save once in ChatGPT, recall in Claude, Mistral, Grok, or any MCP client.

Save notes in seconds. Your AI can then search, read, write and tag them over MCP.

Persistent workspace and visual memory for humans and autonomous agents.

Save, organize and share your Purl links from any MCP client.

Save selected AI-generated answers as private Nugs in your personal NugIt library.

Shared memory for a team in Claude Code: what one person records, everyone has.