Memory & Knowledge MCP Servers for HTTP / API

Your memory in every AI app: each fact with the line it came from, or a plain "nothing stored".

Persistent memory and vector search for AI agents. Hosted, OAuth-protected via Google sign-in.

Persistent knowledge graph for AI agents. Remember, recall, and forget facts.

Short-term session memory manager for collaborative agent networks.

Rest stop for AI agents: check in, reflect, check out. Paid cross-project memory recall via x402.

Persistent memory shared across Claude, ChatGPT, Grok and other MCP clients.

TPermanent memory layer for AI agents. Mint moments to the Polygon blockchain via MCP.

Search, organize, generate design guidance from, and reconstruct what you save in Hipppo.

Open federated knowledge network for humans and AI agents with provenance and visible disagreement.

Persistent long-term memory for AI agents: semantic search, knowledge graph, and task canvas.

Knowledge base MCP for AI agents on iknow.dev. Search, read, and maintain via OAuth.

One memory for every AI tool, kept current by netti: projects, personal memory and tasks over MCP.

MCP-native notes and memory for ChatGPT, Claude, and other AI tools.

Forensic archive of javaBin & JavaZone origins (1998-2007) as a signed KCP knowledge web.

Shared Markdown notes for MCP-compatible AI tools.

Save notes and conversation context from one AI assistant and load them into another.

Persistent memory for AI assistants — one shared, OAuth-secured vault for every MCP client.

Search, read, cite, create, and safely update a user's private KeepFlash knowledge library.

Shared memory and mail for your AI agents. Verified with Claude Code; other MCP clients in testing.

Shared memory for client engagements: decisions with reasons, blockers, promises, what was tried.

Segment a knowledge note for indexing.