MCP servers that give assistants persistent memory, knowledge graphs and structured reasoning. Each entry is scanned with the deterministic Capability-Flow Trust Model — grades are computed, never self-reported.
Tessera — Personal Knowledge Layer for AI. Own your memory across every AI tool. 58 MCP tools, REST API, knowledge graph, memory consolidation, ChatGPT Actions, encryption, local-first.
Give your AI coding assistant a brain: persistent memory, hybrid code search, AI-authored annotations, and an AST symbol graph — 100% local MCP server, no API keys.
RABEL - Recidive Active Brain Environment Layer. Local-first AI memory with semantic search, graph relations, and soft pipelines. Now with Remote Mode for cross-machine AI communication!
Content-addressed semantics for multi-agent coordination. When the hash is the word.
MCP connector for Snipara, the Project Brain for AI coding agents
Spatial bidirectional persistent memory MCP server for LLMs - vector-based semantic memory as a navigable landscape
A dynamic, agent/LLM-friendly SQLite memory bank for MCP servers with semantic search capabilities.
SymKit MCP - Symbolic derivation and verification toolkit for AI agents via MCP.
Persistent memory graph for AI coding agents — semantic search, knowledge graph, and time-based decay over MCP
THOUGHT — Temporal Hierarchical Object Union & Graph Hybrid Toolkit. A local MCP memory server with bi-temporal graph + vector + temporal layers, a query router, and a consolidation engine.
MCP memory system for AI trading agents. Store, recall, and learn from past trades.
Vendor-agnostic cognitive persistence layer for AI agents.
Local-first agent memory with MCP and an agent-native CLI. Documented clients include Claude Code, Cursor, and Windsurf.
CodeGraph MCP server — cross-language code intelligence with 42 tools, 38 languages
Semantic Intelligence for Large-Scale Engineering.
Google Maps Platform Code Assist MCP (Model Context Protocol) service
Agent memory on Google's Open Knowledge Format (OKF). Kage maintains your coding agents' OKF memory bundle in git and verifies every concept against your code, deterministically. The verification and freshness layer OKF leaves out. MCP server, no account,
Local-first persistent memory for AI agents over MCP. Ground truths, negative learning (recorded failures block repeats), decision causality, hybrid recall, live memory streams, run-attributed fleet memory — a structured SQLite memory on your machine, no
Read and write a personal knowledge graph, the Polarity exocortex, from any LLM client.
DevMind MCP - AI Assistant Memory System - Pure MCP Tool
MCP server for searching Hex package documentation
Persistent memory layer for LLMs via MCP
Session continuity for Claude Code, OpenAI Codex CLI & Google Gemini CLI - never re-explain your project again. 100% local, zero config, auto context injection.
Lightweight, structured, token-efficient local-first memory built on Drizzle and libSQL.