Developer Tools MCP Servers

NVD MCP — wraps the NIST National Vulnerability Database API (free, no auth)

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

EDGAR MCP — SEC EDGAR public APIs (free, no auth)

An MCP server that provides Email, Phone and Address Validation Services from Byteplant

Congress MCP — US Congress data via GovTrack API (free, no auth required)

AI stock signal convergence � 13 sources, Bayesian scoring, verified outcomes.

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

Microlink MCP — wraps Microlink API (free tier, no auth required)

Papers With Code MCP — browse ML research papers and their code repositories

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

Pokemon MCP — wraps PokéAPI (free, no auth required)

Spacenews MCP — wraps the Spaceflight News API v4 (free, no auth)

passive-aggression MCP — wraps StupidAPIs (requires X-API-Key)

Patents MCP — wraps PatentsView API (https://api.patentsview.org/)

FIFA World Cup 2026 schedule MCP — 104 matches, 62 country teams, jerseys, venues, kickoff times.

Search ~8.5M products from 2,500+ Central European e-shops. Semantic, keyword, GTIN lookup.

Real-time news with bias scoring, live market data, and AI-powered options pricing

performance-review MCP — wraps StupidAPIs (requires X-API-Key)

Search thousands of MCP connectors from the AgentHotspot marketplace via your AI agent.

One MCP URL for all your apps. 600+ actions for AI.

AI music production assistant — audio profiling, AI mixing sessions, and service inquiries.

JSDoc, README, changelog generation for AI agents

phoenix-number MCP — wraps StupidAPIs (requires X-API-Key)

Local-first portfolio tracker for overseas investors. Claude reads and writes your finances via MCP.

MCP server for understanding Javascript internals from ECMAScript specification.

AI simulated crypto trading with real-time Upbit prices — 11 tools, 5 resources, 5 prompts

Kibana/Elasticsearch MCP — log search, aggregations, index discovery, dashboards.

Jaeger MCP — search traces, inspect spans, map service dependencies (read-only).

Dotenv parser, ports, system info for AI agents

Quotable MCP — wraps Quotable API (free, no auth)

FastMCP server exposing Joplin notes, notebooks, tags, and imports.

Canonical SwissTrip MCP — independent SBB/CFF/FFS schedules, prices, and ticket links by SwissTrip.

Pipeworx Catalog MCP — Exposes the full Pipeworx platform to Claude

Cricket 2026 MCP — T20 World Cup + ICC tour matches. Tournaments, fixtures, players, venues.

AI agent Lightning payments: invoices, wallets, L402 access, API discovery, budgets, and commerce.

AI-powered DTC analytics & ads manager for Meta + Google

MCP server aggregating developer infrastructure deals, free tiers, and startup programs

MCP server for searching MCP protocol documentation

send-that-email MCP — wraps StupidAPIs (requires X-API-Key)

conspiracy-theory MCP — wraps StupidAPIs (requires X-API-Key)

Polish National registry of businesses and other legal entities

Calculator, units, statistics for AI agents

The OpenROAD MCP server - interactive EDA sessions via Model Context Protocol

MCP server providing official Google and Anthropic prompting guides for meta-prompt generation.

take-the-meeting MCP — wraps StupidAPIs (requires X-API-Key)

162K English words, 74K lessons, knowledge graph, semantic reverse-dictionary search.

USAspending MCP — Federal spending data from USAspending.gov API

Manage actions, issues, risks, projects, and decisions in Selis.