Memory & knowledge MCP servers

Correction-first persistent memory for AI agents. MCP server + SDK + CLI. Compounds across sessions.

Correction-first persistent memory for AI agents. MCP server + SDK + CLI. Compounds across sessions.

Correction-first persistent memory for AI agents. MCP server + SDK + CLI. Compounds across sessions.

Obsidian Turbocharged — governed, agent-ready Obsidian MCP server. 163 tools across 31 domains, multi-vault native, pluggable embeddings. TypeScript + Rust. AGPL-3.0-only.

Open-source framework for building agentic apps in JavaScript, Go, Dart, and Python, built and used in production by Google

Local-first Memory Framework for AI Agents · 99.2% LongMemEval-S retrieval @ k=10 · Supports Claude · Antigravity · LangChain · Hermes · Gemini · OpenCode · OpenClaw · MCP-native and plugins · Hybrid search (FTS5 + vector + MMR) · GDPR · FIPS 140-3 ready · 100% local (fully offline) or cloud capable

Sync and store memories, shared identity files (AGENTS.md, CLAUDE.md), session transcripts, institutional knowledge, and secrets between all of your favorite harnesses and models.

Vector memory that gets smarter every time your agent uses it.

UniDeX Agent Harness: a second brain and supervised Chief of Staff for Claude Code and Codex CLI, with persistent memory, recall and session capture, plus proposals you approve before anything changes. Lives in a plain-Markdown vault, with the UniDeX macOS app as its live dashboard.

Schelling Add Forward: communication and persistent state for AI agents, over HTTP and MCP, on PostgreSQL.

EGC gives every AI coding agent the same brain. Shared memory, skills, and live context across Cursor, Claude Code, Copilot, Aider, and 20+ AI coding tools with zero configuration. Every tab, terminal, and AI stays automatically synchronized. One brain. Everywhere.

Local-first persistent memory for Claude Code & Codex CLI - Rust CLI, hooks, MCP server, SQLite/SQLCipher, auditable recall for long-running coding work.

Kappa Graph — κ(G). A semantic knowledge graph where knowledge has weight. Extracts concepts, measures grounding strength, preserves disagreement, traces everything to source.

UniDeX Agent Harness: a second brain and supervised Chief of Staff for Claude Code and Codex CLI, with persistent memory, recall and session capture, plus proposals you approve before anything changes. Lives in a plain-Markdown vault, with the UniDeX macOS app as its live dashboard.

Remembra Relay: one agent stops, the next one already knows. Session handoffs built from git facts, for the next coding agent in any MCP tool, on any machine. MCP server + CLI. MIT.

Xavier — Rust vector memory & knowledge graph for AI agents (HTTP/CLI/MCP). Powers SWAL communal context

📚 A zero-dependency, git-backed micro-lesson library for AI Agents to asynchronously share and search verified debugging experience. | https://misakanet.org

Zotero AI plugin Research assistant for Zotero 10. Chat with your library, run federated scholarly search, RAG, OCR, systematic reviews, and manage cloud storage. Includes standalone MCP, Agentic capabilities, and skills library.