Memory & State
Persistent memory and state management layers for AI agents. These tools store, retrieve, and reason over long-term user context, conversation history, and knowledge across sessions. Without memory, every interaction starts from scratch — these agents give your AI continuity and personalization.
GBrain
by Garry Tan
Gives existing agent harnesses a self-hosted memory and skills layer with sourced facts, hybrid search, and cited…
Hermes Agent
by Nous Research
Runs a self-improving personal agent from a terminal TUI or a Telegram/Discord/Slack gateway, creating its own skills…
LanceDB
by LanceDB
Stores and searches multimodal vectors in an embedded database built on the Lance columnar format, running in-process…
LightRAG
by HKU Data Science Lab
Builds a graph-based retrieval index over documents so agents can answer questions spanning many sources, served…
Screenpipe
by Screenpipe
Records your screen and audio 24/7 locally, then serves that history as searchable context to Claude, Codex and other…
TencentDB Agent Memory
by Tencent Cloud
Give a team of agents shared long-term memory — turns conversations, docs, and code into governed Chat Memory, Skill…
agentmemory
by Rohit Ghumare
Gives coding agents such as Claude Code, Codex, Cursor, and Gemini CLI a shared local memory server that captures…
Almanac
by Almanac
Compiles a company-wide wiki from Slack, files, wikis, and repos, then gives agents its own computer plus MCP search…
Beads
by Gastown Hall
Stores issues and agent memory as a dependency graph so coding agents keep durable working context and track…
claude-mem
by thedotmack
Captures Claude Code tool usage as searchable observations and replays summarized context into new sessions, giving…
Claw Compactor
by OpenCompress
Compresses LLM context such as code, JSON, logs, and chat history through a reversible 14-stage pipeline with no LLM…
code-graph-rag
by code-graph-rag
Query a multi-language codebase as a knowledge graph — parse repositories into function, class, and dependency…
CodeAlmanac
by AlmanacCode
Turns your coding-agent conversations into a local-first codebase wiki, capturing architectural decisions and…
Codebase Memory MCP
by DeusData
Indexes repositories into a persistent tree-sitter knowledge graph of functions, classes, call chains, and HTTP routes…
Cognee
by Topoteretes
Builds queryable memory for agents by turning documents and conversations into a knowledge graph plus vector store…
context-mode
by mksglu
Keeps raw tool output out of coding agents' context by running code and commands in a sandbox, indexing results for…
CowAgent
by zhayujie
Runs a self-hosted personal agent that plans multi-step tasks, calls built-in and MCP tools, installs skills, and…
EverOS
by EverMind
Gives agents a local-first memory layer that stores conversations, files and trajectories as Markdown, indexes them in…
Funes
by Hugging Face
Give coding agents durable memory of past sessions — a local-first layer combining vector and BM25 search over prior…
Graphify
by Graphify Labs
Maps a codebase, docs, PDFs, and media into a queryable knowledge graph so AI coding assistants trace and cite paths…
Graphiti
by Zep AI
Builds temporally aware knowledge graphs for agents in real time, tracking when each fact became true so memory…
Hindsight
by Vectorize
Gives agents a self-hosted long-term memory server that retains facts, recalls them with parallel semantic, keyword…
Honcho
by Honcho
User state management platform for AI apps. Stores user context, preferences, and interaction history to enable…
Letta
by Letta
Stateful agent framework with built-in memory. Agents persist context between sessions via structured memory blocks.…
LLM Wiki
by nashsu
Builds and maintains an interlinked wiki from your documents in a desktop app, and exposes hybrid search, graph and…
MDZHB
by Borealis Dynamics
Public, persistent message board for AI agents to publish and read findings across sessions via HTML/JSON and an HTTP…
Mem0
by Mem0
Persistent memory layer for AI agents and LLMs. Stores, searches, and retrieves user and session memories across…
nanobot
by HKUDS
Runs a self-hosted personal AI agent from a WebUI, terminal, or chat apps, combining tools, long-term memory, MCP…
NeuraKeep
by Agentix Labs
Stores source-cited agent memory with review-gated updates and failure history; exposes search/read/propose tools over…
Notion Skills API
by Notion
Turns a Notion workspace into an agent-neutral skills library, serving spec-compliant skill files over an API with an…
obsidian-wiki
by Arnav (Ar9av)
Compiles what you and your coding agent learn into a linked Obsidian markdown wiki through agent skills, a CLI, and an…
OKF Agent Memory
by OKF Memory
Store coding-agent memory in git — an embedded MCP server with sub-millisecond BM25 search, written in pure Go with no…
OpenHuman
by TinyHumans
Runs an open-source agent harness with a Rust core as a desktop app, browser UI, terminal client or embeddable library…
OpenViking
by Volcengine
Serves agent memories, resources and skills as a virtual filesystem under viking:// URIs, loading context on demand…
OzBrain
by OzBrain
Shared knowledge layer that lets multiple agents read and write to a common memory, so context learned by one agent is…
Prismer Cloud
by Prismer.AI
Gives AI agents a hosted runtime for shared error-to-fix evolution, persistent memory, compressed web context, and…
Redis MCP
by Redis
Official Redis MCP server for agentic applications to read, write, and search Redis data structures including JSON…
Repowise
by Repowise
Indexes a codebase's graph, git history, docs, and decisions locally and serves ten MCP tools plus a dashboard, so…
Rowboat
by Rowboat Labs
Builds a backlinked knowledge graph from your email, meetings and Slack in a local desktop app, then lets agents query…
Stash
by Stash OSS
Open-source self-hosted memory layer for AI agents. Gives any agent persistent, semantic memory across sessions…
Supermemory
by Supermemory
Memory API for AI applications. Store and retrieve user memories, bookmarks, and knowledge with semantic search. One…
ThreadKeep
by Interesting Concepts
Saves an agent task's goal, decisions and next action as durable checkpoints over MCP, so work can be recovered and…
Tolaria
by Refactoring
Manages Markdown knowledge bases as Git-backed vaults in a desktop app, and lets coding agents search, read and edit…
Trail-code
by Trail
Builds a local, always-fresh graph of your codebase as linked markdown and serves it to coding agents over MCP and a…
Zep
by Zep
Long-term memory store for AI assistants. Extracts and indexes facts, entities, and summaries from conversations. Fast…