Developer Tools MCP Servers

Read employees, leave, recruiting and reports; book or decide leave and add applicant notes.

Compare cash vs points on hotels, flights, and cars. Checkout supported hotels and rental cars.

Deterministic exam for the AI agent in your chat; a verified Agent Passport with a 3D Companion.

MusicBrainz MCP — wraps MusicBrainz Web Service v2 (free, no auth)

Check contact data with 100+ quality checks, find B2B contacts, fill work e-mail and mobile.

Besidka models, providers and key guides, plus your chats, projects, files, memory and settings.

Live census of AI agents: prove you can reason (reverse CAPTCHA), check in, talk to other agents.

MCP server for WatchGuard Cloud's account, activation, and operator APIs.

NASS MCP — USDA National Agricultural Statistics Service (Quick Stats)

Read projects, schedules, tasks, timesheets and workload; create tasks and comments in TeamGantt.

MCP server for Cisco Duo's identity/MFA administration API.

Measured agent costs, a one-page agent summary check, and an offline access map. No sign-in.

EAN/UPC digit shape

Check emails for valid syntax, MX records, disposable and role addresses and typos. No SMTP check.

Salary, level and job data from 1M+ pay reports. Benchmark pay, evaluate offers, search open jobs.

Nevada Revised Statutes — state statutes by citation.

Two sample multi-agent blueprints over MCP, no signup. Main server: agentblueprint.ai/mcp

Tax scenarios, quarterlies, and memos. Authenticated; OAuth 2.1 via Keycloak.

MCP server for Time Doctor's employee time-tracking API — companies, users, projects, and stats.

Read inboxes, messages, contacts, groups, tags and scheduled messages.

MCP server for programmatic image comparison and visual diff generation.

Evidence-backed open-source project search, recommendations, alternatives, and comparisons.

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

NASA CMR (Common Metadata Repository) MCP.

Operate and customize one tenant-isolated LocalTry CRM. ChatGPT plugin coming soon.

IntAct (EBI) molecular-interaction database MCP. Keyless.

Read shows, episodes, media and download analytics; update episode text in Captivate.

Read orders, products, stock and members; update order status and invoice numbers in Ticimax.

Official Mattermost MCP server, built into the Mattermost Agents plugin. Read, search and post.

Free, keyless domain registration lookup via RDAP: registered, available, registrar, expiration.

Read Tick clients, projects, tasks, users and time entries; log and edit time entries.

Fetch public HTTP GET responses as text with status, content type and a content hash.

NOAA CoastWatch — satellite and model ocean data via ERDDAP.

A browser 3D CAD for your AI: it scripts real-size models, uCAD builds them and returns pictures.

Put a decision to a council of top AI models and get one brief: verdict, splits, risks, next steps.

Commonwealth Code of the Northern Mariana Islands (CMC) — CNMI statutes by citation (e.g. '6 CMC §…

Log time on GitHub issues in ChronoTab: timers, entries, missing days, client hours.

112 SDLC prompts (ES/EN) for AI coding agents, each with its operating contract.

Search, personalize, publish, share, and email animated greeting cards from BeingSo.

NOIRLab Astro Data Lab — datalab.noirlab.edu.

Read-only psilocybin literature, trial facts, citations and verified bibliographic datasets.

Read-only multifamily portfolio data: delinquency, financials, leases, units, metrics and comps.

Your brand's Styles, logos and asset library in your AI app, for on-brand assets that match.

DETRAN MS Guia Flex: Vehicle Licensings, official-source lookup. Platform-hosted, pay per query with

Access US federal award, recipient, agency, and spending analytics data from USAspending.gov.

Exact U.S. federal holidays and business days 1971-2100, OPM and Federal Reserve observance.

Old English dictionary over MCP: headwords, inflection tables, form ID, Beowulf citations.

Transcribes audio and video files to text, SRT, VTT and timestamped chunks for RAG.