Best Agent AI Skills & MCP Servers

MCP inspector bridge server for connecting agents to other MCP servers without a browser.

Mojulo — MCP server for building self-hosted chatbots from any MCP-capable agent (Claude Code, Codex, and friends).

Antigravity-CLI Plugin. 309 community agent skills aggregated from 13 popular open-source repositories, one-command install.

MCP-first devtools for AI agents.

DollhouseMCP - A Model Context Protocol (MCP) server that enables dynamic AI persona management from markdown files, allowing Claude and other compatible AI assistants to activate and switch between different behavioral personas.

Security scanner MCP server for AI coding agents. Prompt injection firewall, package hallucination detection (4.3M+ packages), 1700+ vulnerability rules with AST & taint analysis, LLM-powered semantic code review, auto-fix. For Claude Code, Cursor, Windsu

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.

An MCP (Model Context Protocol) server enabling LLMs and AI agents to interact with Git repositories. Provides tools for comprehensive Git operations including clone, commit, branch, diff, log, status, push, pull, merge, rebase, worktree, tag management,

Search NOAA CDO stations and datasets, fetch historical weather observations via MCP. STDIO or Streamable HTTP.

Prompt injection + PII detection MCP server for AI agents. 22 signatures, 7 languages, ~23ms latency. Signed GDPR Art.30 audit reports.

Tuning Engines CLI, MCP server, and Python agent runtime adapters for governed model, agent, skill, and MCP workflows. Fine-tune open-source LLMs, run inference, manage datasets/evaluations, and connect LangGraph or Temporal while Tuning Engines handles p

CSP AI Agent MCP Server - Centralized AI tools distribution and management

CLI tool for CodeLoop — automated verification for AI coding agents

Local-first MCP server that gives AI coding agents a living, browser-viewable project wiki and a project-local memory store, so the agent stays oriented and the human stays in control.

Code intelligence toolkit for AI agents — extract functions, trace call chains, find callers, detect dead code without reading entire files. Works as MCP server, CLI, or agent skill. Supports JS/TS, Python, Go, Rust, Java.

Universal AI API Orchestrator — 1,598 tools across 106 services. UCP (Universal Commerce Protocol), the .0n App Marketplace, AI Course Builder, Lead Magnet Loop, Automation Builder, SaaS Factory, App Builder, Website Builder, and the Agentic Automation Ge

MiniMax MCP tools for pi - Web search and image understanding via MiniMax's Model Context Protocol

MCP-first browser primitives for AI agents — real eyes and hands on the web. Local-first. Vendor-agnostic. Yours to own.

MCP server for the Agent Passport System — protocol-layer tools only. 150 tools (132 protocol + 10 gateway deprecation stubs). Identity, delegation, reputation, attestation, coordination, commerce, attribution primitive, attribution settlement. Tracks SDK

The agent eval standard for MCP. Score every agent output for quality, safety, and cost.

Hashlock Markets — atomic settlement layer for the agent economy. Sealed-bid RFQ + HTLC atomic settlement, fused into one operation. Live on Ethereum and Sui mainnets; Bitcoin HTLC mainnet-ready via P2WSH scripts (no contract to deploy; signet-validated);

US financial data — Fed rates, Treasury yields, SEC filings, BLS employment stats. MCP server for AI agents.

Cross-agent permission policy specification for AI coding agents

MCP server providing financial market data from finmap.org