3,926 skills. One install layer.

The MCP toolkit for AI agents. Voice MCP gives your AI a phone line through your own Twilio. Coder MCP gives it a memory across every Claude Code, Codex CLI, and Cursor session. One npm package, two capability modules, local SQLite, no SaaS in the middle.

MCP server that answers questions about the Chia blockchain via the public coinset.org API

Multi-model AI code review server using OpenRouter - get diverse perspectives from multiple LLMs in parallel

Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts via MCP. STDIO or Streamable HTTP.

Persistent memory MCP server for Claude Code, Cursor, and GitHub Copilot. Give your AI assistants long-term memory via the Model Context Protocol.

Cross-agent permission policy specification for AI coding agents

Create autonomous AI agents that actually execute tasks—read emails, manage git, run commands, search the web, and orchestrate workflows through natural conversation

mcp.hosting — one install, all your MCP servers, managed from the cloud

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers via MCP. STDIO or Streamable HTTP.

MCP server for structured iterative reasoning with 13 critical thinking lenses — a disciplined thinking scaffold for AI agents. Features structured reasoning state, cognitive moves (branch/revise/supersede/falsify/verify/retract/stop), Escalation Ladder,

Browser-based IDE + AI agent orchestration CLI. Run Claude Code in parallel across git worktrees, auto-approve safe tools with the Security Bouncer, and control long-running AI work from any device at app.mstro.app.

MCP server for API discovery and recommendations: help Claude Code, Codex, Cursor, Cline, and other coding agents choose APIs with current CLIRank data instead of stale model memory

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);

Zero-setup grounded web research MCP server and Pi extension for AI coding agents.

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

MCP server for RepoMap — code intelligence via AST-based repository analysis

MCP server for yrdsl.app. Talks to either the hosted API (api.yrdsl.app) or a local self-hosted repo. Lets Claude add, edit, and reserve items on a digital yard sale.

MCP server for Yahoo Finance data - stock quotes, historical prices, financials, company info, and news

MCP server for InsumerAPI — condition-based access infrastructure. Send a wallet and conditions, get a signed boolean across 37 chains. 27 tools: attestation, wallet trust profiles (49 checks across 27 chains incl. Solana, XRPL, Bitcoin, Tron, Stellar, Su

A Hacker News MCP server for LLMs.

DoiT official MCP Server

Native MCP stdio bridge for Delx Protocol: continuity, witness, recovery, agent passport, and 143 tools from https://api.delx.ai/v1/mcp.

Local proxy that cuts your Claude / OpenAI / Gemini bill 70%+. Drop-in for Cursor, Claude Code, Codex, Aider — 30 seconds, no code changes. Pure WebAssembly, no Python dependency.

ContextECF CodeLedger — deterministic context selection for AI coding agents. Safe unscoped alias for @codeledger/cli; avoid the unrelated codeledger package.