Best API AI Skills & MCP Servers

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

CLI tool for the UK Companies House API — company search, profiles, officers, filings, ownership, and due diligence

KR: Proxmox VE API 연동 MCP 서버. EN: MCP server for Proxmox VE operations over stdio and Streamable HTTP.

TwitterAPI.io MCP server providing offline access to docs (endpoints, pages, blogs) for Claude and other AI assistants

GitLab tools plugin for OpenCode - provides GitLab API access for merge requests, issues, pipelines, and more

Get US weather forecasts, active alerts, and current observations via the National Weather Service API. STDIO or Streamable HTTP.

MCP Server for fetching stock quotes from Yahoo Finance

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

Real-time web intelligence for AI agents. 21 tools, no required API keys. Every result timestamped with a freshness score.

Agent-first short-form AI video generation CLI and MCP server for Sora, Gemini Veo, xAI/Grok and Seedance/PiAPI.

Interactive documentation site and MCP (Model Context Protocol) server for the Ignis Framework. Includes a VitePress-powered documentation site with guides, API references, and best practices. Ships an MCP server (CLI: ignis-docs-mcp) with 11 tools for AI

Search engine for agent commerce: find, rank, inspect, and call agent-usable APIs via MCP, plugins, skills, and TypeScript

MCP Server para la API refacil-pay

The most complete MCP server for API testing. 36 tools: HTTP requests (with token-optimized responses), assertions, request flows, OpenAPI import, mock data, load testing, collections, environments, native export/import, Postman import/export, cURL export

MCP Server for KOI Security Platform API

MCP Server for Dependency Track API

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

Local encrypted vault MCP server. AES-256-GCM + Argon2id. Resolves {{PLACEHOLDER}} secrets at runtime so LLMs never see real API keys. Works with Claude Desktop, Cursor, Continue.dev, Cline, Open WebUI.

MCP server for the OpenRouter management API — credits, inference-key CRUD with daily/weekly/monthly reset & expiration, activity drill-down (by_model/day/provider/key), one-shot dashboard.

MCP server for MantisBT REST API – read and manage bug tracker issues

MCP server for TAPD project management API, enabling AI assistants to manage stories, bugs, tasks, iterations and more via natural language

MCP server for medical coding — give AI assistants the ability to code clinical text to ICD-10-CM, ICD-11, ICF, and LOINC, audit charts for HCC gap capture / RADV / specificity / denial risk, translate between coding systems, and look up canonical referen

Bybit Quant MCP server for Claude Desktop, Claude Code, and Cursor. Trade and analyse Bybit V5 linear/inverse perpetuals, spot, options (Greeks + IV scanning), and TradFi (xStocks, stock & commodity perps) with market regime detection, OI divergence scann

MCP stdio server for design.justevery.com (Design App API)