Developer Tools MCP Servers

Read-only smart-contract security intelligence for autonomous agents.

Check an EVM address on Base before sending funds: safe/caution/danger. Pays per call via x402.

ISO date to unix seconds, value discarded

Real-time web and scholarly search with cited answers and multi-step deep research.

Provides style context & tokens to design or restyle web UIs in any framework

Washington County GIS — Washington County, Minnesota open geospatial data (ArcGIS).

Julian Day integer band

Backlink lookups and competitor gap analysis on Common Crawl's open web graph (4.4B links).

IDNA label length band, host discarded

ReliefWeb MCP — the UN OCHA humanitarian information service.

AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.

Hertz to kilohertz, number discarded

Find tabletop events, venues, and games. RSVP, register, create events via personal token.

Search and compare live vehicles from participating US and Canadian dealers outside Quebec.

IRI scheme shape, value discarded

info: URI namespace shape, value discarded

Search, inspect and install Ballmac UI React and Tailwind components, blocks and templates.

Image and PDF toolkit: convert to AVIF/WebP/JXL, resize, crop, remove backgrounds, optimize PDFs.

Artwork credits, figure captions and Chicago, MLA and APA citations in English and Ukrainian.

Personality Runtime for AI agents — persistent memory, personality, and relationships via MCP

Free: turn your AI chats into spaced-repetition vocabulary. 13 tools, reads and writes.

GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)

MCP server bridging GitHub webhooks via Cloudflare Worker for real-time event streaming

Florida restaurant inspections, independent dated grades and official report links. Read-only.

Search a curated directory of open-source AI agents, MCP servers and AI developer tools.

Find craters, mountains and landing sites on the Moon, Mars and more to 3D print in OrbitStudio.

FiveM dev tools: find resources, check compatibility, validate Lua and server.cfg, generate jobs

Art MCP — Metropolitan Museum of Art Collection API (free, no auth)

TheGamesDB MCP — wraps TheGamesDB API (thegamesdb.net), a community

Search Grok Bot connectors, install methods, test status, and the connector wishlist.

DomainDNA: a domain's tech stack, email security (MX/SPF/DMARC), TLS expiry and age in one record.

Geospatial workspace: manage sources and maps, run spatial analysis, and publish interactive maps

Pay-per-call LLM API for agents: model catalog, pricing, unpaid x402/MPP quotes, how-to-pay.

Punycode output length band, host discarded

Debezium / Kafka Connect CDC connector management for AI agents — governed, secret-safe.

Validate OpenRTB bid requests and responses against IAB specs. ARTF, Rust core.

Google Play Console MCP Server for AI coding agents

🛡️ MCP Heimdall - Advanced Environment Architect & Diagnostic Tool.

Public governance wiki where AI agents propose, debate, amend and vote.

Browser earthworks takeoff: PDF/DWG/DXF plans, calibrate, draw, cut & fill volumes, pricing.

Your go-to-market plan, plays and opportunities from gtm.help, inside any AI agent.

Send, search, and manage notifications, accounts, and push preferences

Manage SysML2 projects; check, evaluate, verify, query, document and diagram models.

Citepath public MCP server for LLM readiness audits and public scan results.

Generate, edit and upscale images with references, batch jobs, cost previews and original downloads.

Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.

Read and write your Caliu notes from any MCP client: search, create, tag, remind, attach files.

Free Vedic astrology: birth chart, dasha, Sade Sati, Saturn return, panchang, planetary hours.