The best-benchmarked open-source AI memory system. And it's free.

Write HTML. Render video. Built for agents.

A local sandbox for your AI agents

Agent Skill: Check academic paper citations for format, queryability, thematic relevance, and semantic accuracy.

🔒 MCP gateway with a built-in skill library.

Fluent argument validation for fluent software development.

Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn

Deploy any Agent Skill as an API via POST /run. The open-source multi-model alternative to Claude Managed Agents, Microsoft Foundry & Mistral/Koyeb — works with any LLM.

Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and remote runtime.

File your Indian income tax return (ITR) from your terminal. Deterministic tax engine, both regimes, AY 2026-27. Claude Code / Codex / Gemini skill.

Manage multiple AI terminal agents like Claude Code, Codex, OpenCode, and Amp.

Security scanner for AI agents, MCP servers and agent skills.

Ruler — apply the same rules to all coding agents

Agent Skill evaluation harness for paired variants, trace artifacts, and runner adapters

MCP server for Google Ads, Meta Ads, GA4, TikTok Ads, and LinkedIn Ads. Manage 300+ ad operations from Claude, ChatGPT, Gemini, Cursor, or any AI client. Human-in-the-loop on every write.

Your agent invents things because it has no memory, and can't touch your database because it has no arms. rsc is the meta-harness that gives it both, plus the trade to know the job and the reflexes to not break your repo. For Claude Code, Codex and 15 more.

Manage and orchestrate your Claude Code, Codex, Cursor, Antigravity, Kimi, Grok, Devin, Droid sessions on your Machine. Spawn in parallel, ship in parallel. Open source.

Local-first static analysis that turns source code into deterministic, source-grounded workflow maps for coding agents via MCP.

Your agent pays twice for output it has already seen. OMNI returns a handle instead: 97.2% off a file read twice. Nothing deleted, nothing invented.

AI bridge for Unreal Engine 5. Control the editor from Claude Code, Cursor, Windsurf, and any MCP client. Community edition of CodeFizz Editor Agent, which has 900+ commands across 28 categories on UE 5.6, 5.7 and 5.8.

Review code 100X faster. Lens draws every PR as animated architecture and data-flow walkthroughs, inside the pull request itself. Use it as a GitHub App, GitHub Action, CLI, or a skill for your coding agent

Domscribe is a pixel-to-code development tool that bridges the gap between running web applications and their source code.

🐉 Hail Hydra — Multi-headed speculative execution framework for Claude Code. 10 AI agents, 3x faster, ~70% cheaper. Inspired by speculative decoding.

The UI5 MCP server improves the developer experience when working with agentic AI and the UI5 framework.