All MCP servers

Compatibility checks for AI agents before they buy or install: verdicts, evidence, receipts.

Crypto backtesting & Bitcoin cycle analytics. Point-in-time, DSR-corrected, look-ahead-aware.

B2B company research and work-email lookup for AI agents. Pay per call in USDC on Base via x402.

Official Pakistan fuel, gas and electricity prices plus Lahore daily produce rates. Free, no sign-in

Search the official docs of Claude Code, Cursor, OpenAI Codex and MCP, refreshed daily.

Disclosure-first sponsored offers for AI assistants. Free read-only sandbox, fictional data.

Exact matrix calculations with step-by-step results for six core matrix operations.

US federal + state quarterly estimated tax estimates, SE tax, and quarterly payment due dates.

Waitlist-stage pricing-page monitor: plans and early pricing, plus a PriceMovedBot robots.txt check.

Browse free InkQuest stories, openings, and HSK recommendations.

Whisky & bourbon collection in AI: search the catalog, read and manage your shelf (OAuth).

Fact-check LLM outputs with cited sources. API key: aihcc.cloud/keys.

Cited US, Canadian, EU limits (discharge, drinking water, soil, air); species status; DwC archives

Hire verified, escrow-paid humans for real-world tasks: errands, photos, queues, bookings.

Cancer patient expert: NCCN-grounded answers with sources, recruiting trials, and expert review.

Public read-only MCP access to digital learning concepts, semantic relationships, and citations.

Holidays, business days, currency, time zones, DNS/WHOIS, web page checks, geodata and text tools.

Check U.S. trucking carriers and freight brokers in FMCSA records: authority, insurance, notices.

Tennis, pickleball and padel courts from OpenStreetMap: surface, lighting, access, fee. Read-only.

Prices people actually paid, from official open data: homes, rents, fuel, energy, food, medicines.

Ask Void anything: answers with sources, plus code review, moon phases and meteor showers.

Sourced, date-aware UK tax and payroll rates, deadlines and UK business checks, with GOV.UK sources.

Lead validation over MCP: KVK/KBO register, EU VAT, sanctions and email checks with sources.

Search and cite Chain of Thought podcast transcripts and episodes.

Published prices, market rates, buyers, deals and rulings for AI training data, and valuations.

19 tools for phone, WhatsApp, email, caller ID, IP geo, blacklist, scraping & SERP

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.

AI mixing and mastering in the chat: check a song, mix your stems, change the mix in plain words.