AI Coding Agent GitHub Repositories (2026) · Open Source Tools

High performance coding agent harness written in rust

⌥ Coding agent with the IDE wired in. Built by Stencil Labs.

The open-source studio for making games with AI. Your own one-person game studio. Everything you need to make games with AI, in one app. Game canvas. Bring your own key.

Open-source AI coding agent and agent runtime: one binary, any model, MCP-native. Runs in terminal, CI, or as a daemon.

Rules for an AI coding agent to filter out generic AI-generated UI designs, text, and code.

Your coding agent for controlled development in the workspace you lead. A Pi-native shell with Organic Driven Development, focused subagents, risk-based native review, live changes and agent views, and permission modes that keep destructive guards.

Delegate a coding task to a separate coding agent CLI, review the diff, land the commit yourself — one per implementer.

Web UI for Pi Coding Agent that keeps sessions alive in real workspaces.

Agent OS: the agent gets smarter on its own. We just hold the line: Interview-gated, staged evaluation, budgeted evolution loop. MCP server, 14 runtimes: Claude Code, Codex CLI, Gemini CLI, OpenCode, Copilot, Kiro and more.

410 Claude Code skills & agent skills & plugins (120+ Agents, custom commands, 410+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8 more coding agents — engineering, marketing, product, compliance, C-level advisory, research, business operations, commercial & finance, and your daily productivity skills.

Every coding agent in one desktop workspace. Run Claude Code, OpenAI Codex, Cursor Agent and Grok side by side. Bring your own CLI. Free during beta. Open source as of 21 September 2026 (MIT).

A CLI that turns a goal into a pull request - and a sandbox for testing concurrent AI coding agents on the Mozaik runtime.

Keeps AI coding agents such as Claude Code, Codex, GitHub Copilot, Gemini CLI and Cursor to the least code that does the job and still works.

Pi coding agent extensions with code intelligence (LSP + Tree-sitter AST), semantic refactoring, code review, web/Context7 docs, and ask-user forms.

Your coding agents, working together as one team. Claude Code, Codex, Cursor and 13 more talk to each other, split the work on a shared board and check each other's work, each in its own git worktree. Free, open source, on your own plans and your own computer. macOS, Windows, Linux.

seanswarm: multi-agent workflow pack for coding agents (Claude Code / Codex / Cursor) - evidence-governed research fan-out, dual-read docs, dev delivery with independent review, and visual acceptance gates.

Fast, tiny AI coding agent for the terminal, written in Rust. One small native binary for Apple Silicon Macs. Works with OpenAI, Anthropic and compatible LLMs; MCP, subagents, plan mode, prompt-cache-friendly.

Open-source desktop app and VS Code extension for Meta's Muse Code CLI, with threads, inline diffs and approvals on Windows, macOS and Linux. Unofficial, not affiliated with Meta.

Open-source (AGPL-3.0), self-hostable lights-out software factory for the agent era: label a GitHub Issue, get an independently reviewed, merged PR and a tagged release.