Best API AI Skills & MCP Servers

Anti-detection browser MCP server for AI agents — navigate, interact, and automate the web without getting blocked

Mercury Banking MCP server with full Invoicing API support — accounts, transactions, recipients, customers, invoices (one-shot + recurring), webhooks.

Puppeteer MCP Server for browser automation via Model Context Protocol

MCP server for SEC EDGAR — search filings, extract sections, financials, insider transactions. No API key required.

MCP server for Titanos agents — Super Listing, Amazon lookup, product mining, Seller Central listings (OAuth SP-API).

MCP server for Estonian e-arveldaja (e-Financials) API

MCP server for the FourA web scraping API — three tools for HTTP requests, rotating proxies, and full browser sessions, usable from any MCP client.

MCP server and library for Xano development - XanoScript validation, Meta API, Run API, and CLI documentation

MCP server for the Coalesce Catalog Public GraphQL API; covers tables, columns, dashboards, lineage, governance, and asset metadata across the warehouse and BI layer.

MCP server for the H-ear World audio classification API — connect Claude, ChatGPT, and other AI agents to 521+ sound classes

MCP server for the Caytoo External API — search brands, sponsorship deals, and market signals from any MCP-compatible AI client

MCP server for NewsAPI.ai (Event Registry)

Lightweight local memory layer for AI assistants — MCP server + HTTP API + CLI, backed by SQLite + FTS5. Works with Claude, Cursor, and Codex.

Kadoa MCP Server — manage workflows from Claude Desktop, Cursor, and other MCP clients

MCP server that gives Claude Code persistent memory of your codebase, backed by Gemini's 2M-token context. Includes eager `ask`/`code` for cached repo Q&A and `ask_agentic` for agentic file access on repos that exceed the model's input-token limit.

Monetize any HTTP API or MCP server in one line — no monthly fee, 3,000 calls free, then 3% only when your API earns. Non-custodial USDC billing on Base (~2s settlement, ~60x cheaper than card rails), x402-compatible. Also ships 8 free real-API demo tools

Turn any MCP server or OpenAPI spec into a CLI

API-first MCP server for multi-model cross-review with unanimous convergence gates.

Unofficial MCP server and CLI for TradingView stock screener API

MCP server for VC Deal Flow Signal — search startup engineering acceleration data across 20 sectors. Commit velocity, contributor growth, and repo expansion signals for seed/Series A investors.

CrawlForge MCP Server - Professional Model Context Protocol server with 23 web scraping, crawling, and content processing tools. Defaults to local Ollama for LLM extraction (no API key needed); OpenAI/Anthropic available as opt-in. v4.0 adds Markdown-firs

TypeScript SDK for Gala Launchpad Backend API - 217 public methods supporting optional wallet (read-only and full-access modes). Production-ready DeFi token launchpad integration with AgentConfig setup, GalaChain trading, GSwap DEX integration, price hist

MCP server for RESTForge - enables AI agents to interact with RESTForge via natural language

HMRC Making Tax Digital API client and MCP server — reusable across projects