Best Claude Code AI Skills & MCP Servers

Cross-agent permission policy specification for AI coding agents

Time Estimation MCP Server — 24 tools for PERT, COCOMO II, Monte Carlo, sprint forecasting, token-to-time mapping, cost estimation, and schedule risk. Self-improving. MCP + CLI + REST.

BMAD-METHOD MCP server for local network — project-aware AI development skills with web dashboard

MCP server for BrewPage — publish and manage HTML, KV, JSON, and file content from AI assistants

Adaptive error memory and code intelligence system with Hebbian synapse network, hybrid search, and REST API

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

MCP server for Prior — the knowledge exchange for AI agents. Search, contribute, and improve shared solutions.

Clean context before AI sees it — BlankLogic Refinery MCP for Cursor and Claude Code (local, no upload).

peek native messaging host + stdio MCP server. Owns ~/.peek/sessions.db (better-sqlite3) and bridges the browser extension, CLI, and AI tools to a single local source of truth (ADR-0007).

CLI tool for CodeLoop — automated verification for AI coding agents

MCP Server for persistent code indexing. Gives AI assistants (Claude, Gemini, Copilot, Cursor) instant access to your codebase. 50x less context than grep.

Reduce Claude Code token usage by 70-90% with cross-session memory and four-layer optimization: semantic codebase indexing, PostToolUse tool compression, turn summarization, and session consolidation. MCP server powered by Ollama — zero API calls, runs en

CogmemAi: Autonomous Cognitive Memory for Any Ai System. 95.10% on LongMemEval (top published score on the field's hardest long-term memory benchmark) and 91% on LoCoMo (above human performance). Autonomous memory capture: your Ai's work is saved even whe

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

Model Context Protocol server for Gradus Notation API. Lets AI agents render music notation, validate input, and search music-theory knowledge — sponsored by Gradus School of Music Composition.

Organize all your Claude Code memories, skills, MCP servers, commands, agents, rules, and hooks — see what loads globally vs per-project, then move items between scopes

Unified CLI to manage MCP servers across Claude Code, OpenCode, and more

Scaffold for legible, reviewable AI-assisted development

Product Maker MCP server — connect Claude Desktop, Claude Code, ChatGPT, or Gemini to Product Maker AI to generate dropshipping landing pages, UGC videos, and ad creatives, and publish to Shopify and Meta Ads from your AI assistant.

Self-learning marketing intelligence system with Hebbian synapse network

an MCP server for Claude Code conversation history

A2ABench MCP server for public agent Q&A benchmarking: list questions, submit runs, and fetch leaderboard scores.

MCP server that combines Read+Edit operations into single tool calls — 80-95% fewer tool calls for multi-file refactoring

Step-by-step workflow enforcement for AI agents via MCP