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Graymatter: 30 sec to give your AI agents persistent memory. It is listed under Development & Code on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match Graymatter. This is an automatic list. We have not written a researched verdict for Graymatter yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
AI builder operating system.
basemode, whose command line tool is called base, is a shared memory layer for coding agents that places the right context in front of an agent at the moment it works, without the agent having to search or make a tool call. It holds a team's rules, decisions, notes and a map of the codebase in a graph, and injects the ...
The fastest developer workflow for every AI coding agent.
Agent Manager is a terminal user interface, written in Go and running on top of tmux, that lets a developer run many AI coding agents side by side and control them from a single list. Each row is a real tmux session running the developer's own installed command line agent, with its existing login, configuration and MCP...
Browse, create, and edit AI agent files across Claude Code, Cursor, Codex, and 12 coding tools — from Obsidian.
Agentfiles is an Obsidian community plugin that gathers the skills, commands and agent definitions used by AI coding tools into a single panel inside an Obsidian vault. It automatically discovers these files across Claude Code, Cursor, Codex, Windsurf, Copilot, Amp, OpenCode and more than a dozen other tools, so a deve...
Make your agents learn from experience.
Agentic Context Engine, usually shortened to ACE, is an open source Python framework from Kayba that lets AI agents improve from their own experience without fine tuning, training data or a vector database. It keeps a Skillbook, a persistent collection of strategies that evolves with every task, and feeds those strateg...
Continuously sync your AI setups with one command.
This open source command line tool from Caliber generates and maintains the context files that coding agents read. Running its bootstrap command and then a setup command inside Claude Code or the Cursor CLI has the agent write CLAUDE.md, Cursor rules, AGENTS.md and Copilot instructions for the repository, show the diff...
Persistent Agent Workspace — AI agents that remember, collaborate, and never start from zero.
AIPass is a persistent agent workspace that sits inside a project folder and gives Claude Code agents memory and coordination between sessions. Instead of re explaining a project each time a terminal opens, an agent reads its own memory files, knows its role, and resumes where it left off. It suits developers who run ...