Sandbox
280 repos for open · Claude Code · ResearchClear
opentabs-dev/
opentabs

Browser automation clicks buttons. OpenTabs calls APIs.

937
OpenLAIR/
OpenSkill
OpenLAIR/OpenSkillFrameworks & SDKs

Open-World Self-Evolution for LLM Agents — agents that build both their skills and their own verification signals from scratch, with no target-task supervision. (Code coming soon.)

88
webworn/
openfoam-mcp-server

LLM-powered OpenFOAM MCP server for intelligent CFD education with Socratic questioning and expert error resolution

116

📊 Browse your AI coding spend in the terminal — OpenCode, Claude Code, Codex & friends

86

Portable project memory across Claude Code, Codex and OpenCode, plus token accounting measured from harness transcripts. Local file I/O, no API calls, no telemetry.

2.3k
kadykov/
mcp-openapi-schema-explorer

MCP server providing token-efficient access to OpenAPI/Swagger specs via MCP Resource Templates for client-side exploration.

76
bakhtiersizhaev/
openevidence-mcp

First open-source OpenEvidence MCP server: browser-session medical research tools for Codex, Claude Code, and MCP clients

41
Helweg/
open-codebase-index

Semantic codebase indexing and search for OpenCode, Claude, Codex, Pi, Jcode, and MCP hosts. Powered by Rust and tree-sitter.

190

AI-powered OSINT agent with interactive REPL, MCP server, and CLI. 19 tools. Works with Claude, GPT-4, or local models. For authorized security research only.

1.6k

Claude in Chrome, reverse-engineered and open-source. No domain blocklist. Any Chromium browser. Same 18 MCP tools, same performance.

214

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

14k
graph-robots/
open-robot-skills

Skill and tool bundles for gap (graph as policy) — Anthropic Agent Skills format, discovered by path

41

Open library of legal AI skills (SKILL.md) for MCP-compatible agents — 39 jurisdictions, 200+ plugins, Apache-2.0.

72
DigitalArchivst/
Open-Genealogy

GPS-aligned AI prompts and Agent Skills for genealogical research (CC-BY-NC-SA-4.0)

73

MCP server for OpenRouter — chat with 300+ LLMs (Claude, Gemini, GPT), analyze images / audio / video, generate images / speech / music / video (Veo 3.1, Sora, Seedance, Wan) from Claude Desktop, Cursor, Kiro, VS Code.

86

A personal context store for AI agents and assistants—reuse your existing coding agent CLI (Codex/Claude/OpenCode) with built‑in Skills/tools and a desktop GUI to capture, search, and reuse project knowledge across agents and repos.

970

Open-source SEO + GEO skills for Claude on your real GSC/GA4/ads data. Free MCP: claude mcp add ryze --transport http https://connector.get-ryze.ai/mcp

747
amikai/
openings-mcp

💼 One MCP server to search job boards and company career sites

92