Best Al AI Skills & MCP Servers

Persistent key-value memory — store and recall information across sessions as JSON files.

Unofficial stdio MCP server for operating local-ydb deployments.

In-memory file cache — avoid redundant disk reads with mtime-based invalidation.

core modules for Firefly III MCP server

Mistflow MCP server for AI coding editors. Installed into Claude Code, Cursor, Codex CLI, and VS Code Copilot by the mistflow-ai installer.

MCP server that gives AI agents instant access to decompiled Java code from Maven dependencies. Blazing fast Java class analysis for Claude, Cursor, and other LLM-powered IDEs.

MCP server for running GitHub Actions workflows locally

Knowledge base — index documents, search by content, fetch entries, purge stale data, rank by relevance.

MCP server middleware for atrib. Signed receipts for every tool call, one-line integration.

Local, repo-scoped context platform for coding assistants. Semantic search, graph relationships, and architectural rule context.

Change impact analysis — given a file or symbol, find what files are affected by a change.

MCP server for interacting with CodeRabbit AI reviews on GitHub pull requests. Enables LLMs to analyze, implement, and resolve CodeRabbit suggestions programmatically.

Model Context Protocol (MCP) server for CLI for Microsoft 365 that allows to use natural language to manage your Microsoft 365 tenant.

MCP (Model Context Protocol) integration for typia

MarketIntelLabs fork of the Paperclip adapter for Hermes Agent — with adapter-owned status transitions, an in-process MCP tool server (paperclip-mcp) that replaces curl-in-prompt with structured tool calls, MIL heartbeat prompt templates, and OpenRouter m

Unofficial local-first Garmin MCP server for AI health, sleep and activity agents.

Model Context Protocol server for Open Policy Agent (OPA). Author, validate, debug, and explain Rego policies through any MCP-compatible client.

MCP server for Excalidraw

Project-local RAG memory MCP server — knowledge graph + multilingual vector + FTS5 in a single SQLite file. Per-project isolation, 30 MCP tools, codepoint-safe chunking (Korean/CJK/emoji).

Composite brick — orchestrates smartread, cache, compress, tokenbudget, and overview to deliver optimal context within a token budget.

Multi-source research — collect info from multiple files/sources, synthesize findings, validate consistency.

Model Context Protocol server for Jira Structure plugin - manage hierarchical folder structures in Jira

SkillFM local — single npm package for the SkillFM platform on user nodes. Subcommand router exposes (1) Beacon MCP stdio server (cost-optimizer for any agent; merged in from @skillfm/beacon-mcp on 2026-05-01), (2) skill runtime (BYOK Playwright / brain r

MCP server exposing Windy Word's agent-control surface as 95 typed tools (paste / hotkeys / transcription / recording verbs / audio devices / voice clones / install / Doctor / archive / translation / documents / soul-file).