Developer Tools MCP Servers

Superhero MCP — wraps akabab.github.io/superhero-api (free, no auth)

Poetry MCP — PoetryDB API (free, no auth)

AI-native art catalogue. Catalogue works, parse provenance, and generate signed RAIs.

Unemployment rates, labor force, and Consumer Price Index from the Bureau of Labor Statistics

Open Targets MCP server for targets, diseases, drugs, variants, and evidence

Search Claude Code conversation history with natural language queries across all projects

Make your knowledge agent-ready. One MCP endpoint, 5 connectors, 3 search modes.

Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.

Valida regex, cron y SQL contra ejecucion real. Pago por llamada via x402/USDC.

MySQL change tracking with instant row-level recovery and forensic attribution for compliance.

eLife MCP — keyless open-access life-sciences & biomedical journal articles.

Validate and test llguidance grammars with batch testing and documentation

Tenor GIFs/stickers v2: search, featured, categories, trending, posts.

MCP server for OS Automation

PandaDoc MCP server for creating, sending, signing, and tracking PandaDoc documents.

Analyze any codebase — get architecture, file roles, execution flows, and agent context.

MCP server for the full Pāli Canon — search, cite, compare translations. Offered as Dhamma Dāna.

Roblox public profile + friends + badges + games + groups lookups.

Trivia MCP — wraps Open Trivia Database (free, no auth)

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

Nutrition MCP — wraps Open Food Facts API (free, no auth)

A paid remote MCP for ZeroID, built to return verdicts, receipts, usage logs, and audit-ready JSON.

npm MCP — wraps the npm Registry API (free, no auth)

Population, income, poverty, education, housing, and commuting from the US Census ACS

Universal Language briefings, FusionGirl context JSONs, service catalog, agent info. x402-enabled.

Generate CSS box-shadow and text-shadow values

Book a San Francisco apartment cleaning. $40/hr, weekends 8am-6pm PT, SF only.

Science MCP — free science data APIs

Swiss Transport MCP — wraps Transport Open Data API (free, no auth)

Conversational access to advertising performance data, creative analysis, and campaign insights

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

German land values (Bodenrichtwerte) by address, with mandatory dl-de/by-2-0 attribution.

x402 analytics feed + 20+ pay-per-call agent tools over x402 (data, LLM, risk), no accounts.

Transitland MCP — global GTFS aggregator

Test, explain, and generate regular expressions

Conversational access to advertising performance data, creative analysis, and campaign insights

Search GBIF species taxonomy, occurrence records, datasets, and publishers.

SWAPI MCP — wraps the Star Wars API (swapi.dev, free, no auth)

MCP server for UK Parliament Oral Questions and Motions API

Dynamically load Claude Code skills into AI agents without copying files.

On-chain stablecoin market cap and Bitcoin institutional holdings data.

WeatherAI — 11 live weather tools for Claude, Cursor, Windsurf and any MCP AI assistant

Dispatch real-world physical tasks to verified human operators. Escrow or direct-settlement.

Florida property distress signals: code violations and recorded liens.

NovelAI image generation as MCP tools: txt2img, img2img, inpaint, upscale, Director, ControlNet.

Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth)

ListenBrainz MCP.

Hosted MCP server for live Bittensor chain reads and self-custodial on-chain writes.