Sandbox
242 repos for โ€œtestingโ€ ยท Gemini CLIClear
Evol-ai/
SkillCompass

Evaluate agent skill quality. Find the weakest link. Fix it. Prove it worked.

216
isaacphi/
mcp-language-server

mcp-language-server gives MCP enabled clients access semantic tools like get definition, references, rename, and diagnostics.

1.6k
AgentWorkforce/relayFrameworks & SDKs

Real time communication for agents. Wake on message, channels, DMs and actions. Useful for orchestrating agents.

818

A collection of skills for AI coding agents working with Azure Cosmos DB. Skills are packaged instructions and scripts that extend agent capabilities.

54
oraios/
serena
oraios/serenaConnectors

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

29k
zhukunpenglinyutong/
desktop-cc-gui

Multi-engine AI coding desktop client (Tauri). Claude Code, Codex, Gemini, OpenCode, DeepSeek Harness and more in one GUI.

4.2k

๐Ÿ„๐Ÿผโ€โ™‚๏ธ The blackboard for coding agents - agentic development environment for claude code, codex, cursor, opencode, grok and more.

1.5k
matlab/
matlab-agentic-toolkit

The MATLAB Agentic Toolkit brings trusted MATLAB capabilities to AI agents, making engineering and scientific workflows agent-ready.

1k
johannesjo/
parallel-code

Run Claude Code, Codex, and Gemini side by side โ€” each in its own git worktree

1k

Evidence-grounded repository audit CLI - deterministic scanner, MCP server, live dashboard, and a GitHub Action that posts PR diffs.

156
anhvt52/
jetpack-compose-skills

Agent skill for modern Android development with Jetpack Compose โ€” best practices for code generation and review

96
danielsogl/
lighthouse-mcp-server

MCP server that enables AI agents to perform comprehensive web audits using Google Lighthouse with 13+ tools for performance, accessibility, SEO, and security analysis.

70
seuros/
action_mcp
seuros/action_mcpFrameworks & SDKs

Rails Engine with MCP compliant Spec.

120
dash0hq/
agent-skills

OpenTelemetry skills and reference documentation for AI coding assistants - instrumentation patterns, telemetry quality guides, and Dash0 integration

89
etairl/
parallel-browser-mcp

An MCP server for parallel browser automation by AI agents with multiple cloud providers

42
affaan-m/
ECC
affaan-m/ECCHarnesses

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

258k
JuliusBrussee/
caveman

๐Ÿชจ why use many token when few token do trick โ€” Claude Code skill that cuts 65% of tokens by talking like caveman

105k
1 add
evalstate/fast-agentFrameworks & SDKs

Code, Build and Evaluate agents - excellent Model and Skills/MCP/ACP/A2A Support

3.9k

Turn tracker tickets into autonomous agent sessions

181
moeru-ai/
alint

๐Ÿค–๐Ÿคฎ Hate the yuck codes that agents generated? Try `alint`, a ESLint like toolchain for intent driven code check, freeze your skills, AGENTS.md to lint rules

53