Developer Tools MCP Servers

MCP server that bridges local apps with Selenix for browser automation.

IMAP/SMTP MCP server for Email with composite tools. Multi-account, auto-discovery.

Kubernetes RCA agent that sandboxes its own AI with OPA Gatekeeper. MCP-ready for any client.

Real estate data for AI agents: US parcel boundaries (tiles), owners, sale history, permits, hail.

40+ pay-per-use tools for AI agents: search, TTS, QR, PDF, scraping, image gen. x402.

Connect AI assistants to Roblox Studio — manipulate the DataModel with 14 tools

Query 2,800+ Catalan open datasets from 13 portals. Real-time trains, budgets and more.

HTTP Cat MCP — wraps http.cat (free, no auth)

41 crypto micropayment services via x402 protocol

Real SIM phone numbers for AI agents. 145+ countries, 2000+ services. #1 on ChatGPT and Perplexity.

Build and run visual creative-production workflows from your AI agent.

Barbell strength training tools for AI assistants. Warmup, plate loading, and LP.

Marine MCP — wraps marine-api.open-meteo.com (free, no auth)

Dictionary MCP — wraps Free Dictionary API (free, no auth)

Countries MCP — world country data from REST Countries API v3.1

Carbon MCP — UK Carbon Intensity API (free, no auth)

Parse JavaScript error stack traces back to original source code using source maps

Expert knowledge base for sales, negotiation, strategy, operations, and risk.

Cocktails MCP — TheCocktailDB API (free, no auth)

MCP server exposing rpcbind/RPC portmapper functionality

Real-time options analytics: GEX, exposure, greeks, volatility, VRP for US equities

Marathon fueling, pace, hydration, heat, carb-loading, and gel-comparison calculators.

Research intelligence for AI coding agents. 2M+ CS papers with evidence and tradeoffs.

Secure MCP server for exploring incwo CRM data, documents, and email workflows.

Plan routes using the OpenRouteService API, such as for hiking, mountain biking, or driving.

Search Help Scout conversations, customers, organizations, threads, and inboxes with AI assistants

Identity infrastructure for AI agents. Evolving persona, session continuity, self-tuning retrieval.

An MCP server that exposes RS232 serial port connectivity

Barbell strength training tools for AI assistants. Warmup, plate loading, and LP.

An agent-friendly API for product changelogs. A unified registry via CLI, API, or MCP.

Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.

Detect grooming, bullying, fraud, and 16+ online threats across text, voice, image, and video.

Search Blu-ray and 4K UHD movies, featured titles, and detailed movie information.

Official MCP server for esa.io - a documentation sharing service for teams

MCP server exposing Z3 solver API

VantaGate MCP Server & OpenAPI integration - Human-in-the-Loop for AI Agents

Browse, search and fuzzy-match NACE Rev. 2.1 economic activity classification codes.

Stackbilt platform MCP gateway — wireframe generation and stack scaffolding tools

An MCP server connects your AI assistants to Infrahub using the open MCP standard.

Access 30+ bioinformatics tools from 14 databases.

Persistent graph-backed conversational memory for AI agents.

Wish game — every agent wish permanently reshapes a shared world. Free, no key needed.

MCP server exposing cypari2 (PARI/GP) number theory library

MCP server for Godot Engine 4.x with 17 tools for scenes, scripts, and shaders.

Reddit outreach at scale — find prospects, send 1000s of DMs/day, and manage your CRM via AI agents.

Secure credential vault and authenticated handoffs for multi-agent systems with verified identity.

Security scanner for AI Agent skills, plugins, and MCP servers with A-F grading.

MCP server for real-time product search by barcode (EAN, UPC, GTIN) or keyword on ean-search.org