204 tools for developers
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Exa MCP Server
Exa web search, content fetching and multi-step research for agents — hosted anonymously or with an API key for more.
https://mcp.exa.ai/mcp
MCP ServersFreemiumActive5.2K
Firecrawl MCP Server
Firecrawl's context API for MCP clients: search, scrape, crawl, map, parse PDFs and more — 29 tools in one server.
https://mcp.firecrawl.dev/v2/mcp
MCP ServersFreemiumActive7.8K
GitMCP
Turns any GitHub repo into a remote MCP documentation hub, so agents get up-to-date docs instead of hallucinating APIs.
https://gitmcp.io/<owner>/<repo>
MCP ServersOpen source8.5K
Serena
MCP toolkit giving coding agents IDE-level semantic code retrieval, editing and refactoring across 40+ languages.
uv tool install -p 3.13 serena-agent
MCP ServersOpen sourceActive31.2K
Claude Code Templates
Open registry + CLI for Claude Code components — skills, agents, commands, MCPs and more, installable one at a time.
npx claude-code-templates@latest
Claude SkillsOpen sourceActive33.2K
ccusage
Token usage and cost reports from local data for 19 coding-agent CLIs — daily/weekly/monthly, billing blocks, JSON export.
CLI ToolsOpen sourceActive19.4K
Claude Code Action
Anthropic's official GitHub Action — Claude Code answers @claude mentions, reviews PRs, implements fixes and triages issues in your repos.
/install-github-app
Agents & AutomationOpen sourceActive9.9K
Browser Harness
Lets Claude Code, Codex or Cursor use your real Chrome, logged in as you, over CDP — open pages, click, type, read, download.
uv tool install --python 3.12 browser-harness
Claude SkillsOpen sourceActive19K
Claude Code Skills
410+ skills, 120+ agents and 169 commands across engineering, product, marketing, finance and C-level advisory — install by domain bundle.
/plugin marketplace add alirezarezvani/claude-skills
Claude SkillsOpen sourceActive29.5K
Ruflo
Agent meta-harness for Claude Code and Codex — multi-agent swarms, adaptive memory, self-learning, federation, vector RAG, visual console.
npx ruflo@latest init
Claude SkillsOpen sourceActive81.3K
Context Mode
A free local plugin that sandboxes tool output and gives the agent only the part it asks for — median reply 99.4% smaller.
claude plugin marketplace add mksglu/context-mode
Claude SkillsFreeActive33.7K
oh-my-claudecode
Teams-first multi-agent orchestration for Claude Code — /autopilot, /team, /ralph, /execute, /deep-interview and multi-model teams.
/plugin marketplace add https://github.com/Yeachan-He…
Claude SkillsOpen sourceActive40.7K
Compound Engineering
37 skills built around a loop — brainstorm, plan, work, simplify, review, then compound what was learned; runs on 14 agent hosts.
/plugin marketplace add EveryInc/compound-engineering…
Claude SkillsOpen sourceActive26K
Agency Agents
Hundreds of personality-driven specialist AI agents — install a whole division or single agents into Claude Code, Cursor, Codex and more.
git clone https://github.com/msitarzewski/agency-agents
Claude SkillsOpen sourceActive167.4K
Strix
Open-source autonomous AI pentesting: multi-agent teams find OWASP Top 10 flaws and validate each with a working PoC exploit.
curl -sSL https://strix.ai/install | bash
Agents & AutomationOpen sourceActive74.5K
Harper
Offline, privacy-first English grammar and spell checker in Rust: under-10ms suggestions, editor and browser extensions.
cargo build --release
CLI ToolsOpen sourceActive17.5K
WhisperX
Python CLI/library wrapping faster-whisper: batched ASR, word-level timestamps and speaker diarization — free, open source.
pip install whisperx
CLI ToolsOpen sourceActive25.2K
Chatwoot
Open-source omnichannel support desk: one shared inbox for live chat, email and WhatsApp — free Community Edition.
git clone https://github.com/chatwoot/chatwoot.git
AI ToolsOpen sourceActive39.4K