Travel MCP server + CLI for AI assistants — flights, hotels, trains, cars, ferries, price alerts. No API keys, single Go binary. 1 smart MCP tool + 66 aliases (98.9% smaller tools/list). Works with Claude, Cursor, Windsurf, Codex.
Free, MIT alternative to paid Django schema review. Blast radius on every PR, schema drift, N+1 across functions, ER diagrams, MCP server. No DB, no Django boot, no Pro tier.
Univer Skill enables AI tools to work directly with spreadsheets, Excel workbooks, and CSV files. Powered by Univer CLI, it brings Git-style diffs, reviews, approvals, and rollbacks to spreadsheet workflows — making human-AI collaboration structured, reviewable, and safe.
Model Context Protocol For R
Raindrop MCP Server

👩💻 MCP server to index external repositories
A Model Context Protocol (MCP) server that provides programmatic control over MuseScore!

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.
PDF extraction that audits its own output — and certifies any other extractor's, catching pages they silently dropped. Verify signed manifests offline: free, MIT, no account. 0.903 on opendataloader-bench, #2 of 8 engines. 7-tool MCP server.
Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows
A collection of Claude Skills from Posit
Claude Skill to do your tasks with subagents in Git worktrees
💡 Turn experience into repeatable execution.
Telegram bridge for Claude Code and Codex CLI
Claude Code marketplace for audio plugin development skills.
An MCP server for Android's Tasker automation app.
Claude Code role-based Rails agent kit with orchestrator and specialist slash commands.
A Claude Code plugin marketplace
Autoresearch ALL THE THINGS. RLVR for the masses.
900+ pure-markdown skills for autonomous AI research, organized as 9 freely-composable packages over a 4-layer hierarchy (Campaign → Strategy → Tactic → SOP). Non-linear orchestration with backtracking, 6 MCP integrations. The AI is the researcher — you set the direction.
clawdcursor compiles whatever's on screen into one UI map — accessibility tree and OCR fused into stable, addressable elements, with a screenshot only when needed — then drives apps through reusable scripts, verifying every action and routing it through a single safety gate.
GitHub's official MCP Server
Unified AI Development Framework - BMAD phases with Ralph execution loop

MCP Server to previewing mermaid diagrams with live reload