Best Oss AI Skills & MCP Servers

Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico via MCP. STDIO or Streamable HTTP.

MCP server for React Native spatial integrity and layout audit. Provides Ground Truth for your component tree by detecting margin pollution, token deviations, bridge crossings, and render traps. 15 tools for structural analysis, layout auditing, performan

Local MCP server that gives any AI agent safe cross-OS desktop control — the fallback execution layer for when APIs, CLIs, and direct integrations aren't available. Works with any tool-calling model (Claude, GPT, Gemini, Llama) on Windows, macOS, and Linu

Sync MCP servers, Skills, Agents & Commands across Claude Code, Cursor, OpenCode, Codex. One config, all tools.

Agentic CVE remediation platform for Node.js. Correlates threat intelligence, applies policy-governed fixes, and delivers auditable remediation outcomes across CI/CD pipelines, agent workflows, and service portfolios.

MCP server that detects cross-signal correlations in project health — the thing no individual check can tell you.

Unified MCP server for email access across Gmail, Outlook, iCloud, and IMAP — search, send, organize, and batch-manage emails from any AI assistant

Package Intelligence MCP server for AI agents. Stops hallucinated/malicious package installs across 19 ecosystems (npm, PyPI, Cargo, Go, Maven, NuGet, RubyGems, Composer, Pub, Hex, Swift, CocoaPods, CPAN, Hackage, CRAN, Conda, Homebrew, JSR, Julia). 22 to

The enrichment-grade MCP server for academic paper search and full-text extraction. For science.

MCP server for AI Sightline — monitor brand visibility across AI platforms (ChatGPT, Google AIO, Perplexity, Claude, Gemini, Copilot)

MCP server for web search, extraction, crawling, and research — powered by Novada's 100M+ proxy IPs across 195 countries. Works with Claude, Cursor, VS Code, and any MCP client.

Cross-Code Organizer (CCO, formerly Claude Code Organizer) — manage AI coding tool configs across Claude Code, Codex CLI, and more. Memories, skills, MCP servers, commands, agents, rules, and hooks across global and project scopes

VidLens MCP — video as a queryable local asset for AI agents. 45 tools across YouTube, social video URLs, local media, semantic search, transcription, and visual search.

Local-first memory infrastructure for AI coding agents. One brain shared across Claude Code, Codex CLI, Cursor, Kiro, Continue, Cline, Windsurf, or any MCP client. Organized in pluggable pods, stored in your own Postgres. No cloud, no telemetry. Auto-capt

Read, write, and inspect the system clipboard across macOS, Linux (X11/Wayland), and Windows via MCP.

The most comprehensive ServiceNow MCP server — 400+ tools across all modules. Integrates with Claude, ChatGPT, Gemini, Cursor, GitHub Copilot and any LLM.

AI-powered idea & task manager for developers. Brainstorm → structured tasks → AI agent execution. CodeMirror editor with slash commands, MCP Server, Claude/Gemini/Codex support. Local-first SQLite, cross-PC Git sync.

MCP server for oss-scout — exposes issue discovery and vetting as MCP tools

MCP server for searching academic papers, journals, and citations via the Crossref API

Powerful Cross-IDE Context Sharing via MCP. Persistently sync AI memories and chat sessions between Cursor, VS Code, and more.

MCP server that gives coding agents typed 0xArchive market data tools across Hyperliquid (perps, HIP-3, HIP-4, spot) and Lighter.xyz

Local MCP broker for sharing upstream MCP servers across MCP clients

Pigi CLI — sync AI tool configurations (MCP servers, Claude, Cursor, Windsurf) across your team from a central dashboard

MCP server for EDIFACT CODECO, COPRAR, IFTSTA, COREOR — parse, validate against SMDG, reconcile cross-message, validate ISO 6346 check digits, decode size-type, look up SMDG code lists. Wraps @prefixcheck/edi inside the Model Context Protocol so any MCP c