Search

Hound MCP Servers Gives your agent actually good fetch + Search for 0$, no catch, no api keys or free tiers, fully free

The intelligent MCP server for AI-assisted Godot 4 development. 35 tools for spatial intelligence, code understanding, flow tracing, and visual debugging. 22 free, full suite $19.

Discover powerful AI agents, invoke them instantly, and verify every result with Ed25519 cryptographic proofs. Nine tools — five free, four billed — all protected by OAuth 2.1.

Get customers, pay per verified result — agents buy qualified leads, meetings, SEO content, and ad conversions; self-provisioning signup with $25 free credits.

Cinematography reference library. Search film stills from 5,489 films by lighting, lens character, shot size, colour and mood. Remote server, four tools, OAuth, free tier.

11 freight logistics tools for AI agents — ADR dangerous goods lookup (2,939 UN entries, UNECE ADR 2025), HS code search (6,940 codes, WCO HS 2022), airline codes (6,352 with AWB prefixes), LDM/CBM/chargeable weight calculators, pallet fitting, container capacity, INCOTERMS 2020, unit converter, and ADR 1.1.3.6 exemption calculator. Free REST APIs + remote MCP endpoint.

Real-time hosted MCP for Google Ads (63 tools), Search Console (16) and Meta Ads (14). Free.

185 agent-payable C-suite intelligence tools — competitive intel, SEC filings, sanctions, KYC, clinical evidence, ESG. x402 USDC/EURC. 100 free calls/mo.

Convert city names and locations into latitude and longitude coordinates using the free OpenStreetMap Nominatim API. No API key is required.

Privacy-first GPS tracking companion. Query travel statistics, manage waypoints, track countries visited, and analyze distances and speeds through natural language. Free, GDPR compliant.

MCP server for the AI-agent economy: free Kazakhstan / Central-Asia utilities (Kazpost parcel tracking, IIN/BIN & IBAN validation, GLEIF LEI lookup, KZT/ECB FX rates, weather) callable with no account, plus per-call purchase of KYA-verified API listings governed by Regent Protocol.

MCP server + REST API letting AI agents get answers from real humans (not synthetic) — 16 structured query types (yes/no, rating, ranking, A/B, sentiment, image comparison, free text, voice/video/photo). Free test mode with simulated responses, zero cost. Pay-per-response from $0.05 + 15% platform fee.

KYB due diligence, competitive intelligence, and strategic accounts research for AI agents. KYB covers corporate registries, sanctions screening (OFAC/UN/EU/UK), FCA Register lookup, directors, UBOs, and adverse media. CI covers pricing, hiring, product, sentiment, and corporate events. New accounts get 3 free trial calls. Pay-per-call after: $0.40 per /findings, $2.00 per /run with Claude analysis. Top up from $20 at getsonar.report.

Inspect hidden Unicode for free. Rewrite published statistical text watermarks (Claude, Gemini) or strip C2PA/file metadata. Same credits as the API.

Query real-time Global Entry interview appointment wait times across all 130+ US enrollment centers. Free, no auth required.

good-honker is a free conversational front end to the band Goose's show history, usable from Claude. Ask in plain English about setlists, jam charts, venue stats, song history, and upcoming shows. Every answer is fetched live from the open ElGoose.net API and credited to ElGoose; nothing is stored.

A free, consent-based local MCP server for sending plain-text, HTML, and Markdown emails and transactional templates, with automatic recipient-consent handling.

good-wook is a free conversational front end to Phish's show history, usable from Claude. Ask in plain English about setlists, song gaps and history, jam charts, venue stats, and upcoming shows. Every answer is fetched live from the Phish.net API and credited to Phish.net; nothing is scraped or stored.

Interact with Google Calendar to list events, create meetings, and find free time slots.

AI-powered lead generation from Google Maps. Search businesses, enrich with emails/phones/socials, score leads 0-100, export CSV. Free alternative to Apollo.io. No API keys required.

One MCP connection that gives your agent 62 real-world tools: web search, scraping, social data, enrichment, image, video and voice. Pay per call, $1 free to start.

First MCP server for Guesty property management. 38 tools for reservations, guests, messaging, pricing, financials, calendars, reviews, tasks, and webhooks. Free tier with 23 tools, Pro tier with all 38.

A Markdown-based second brain with a hosted MCP server. Your AI reads, searches, creates, and links your notes. Free tier included.

Hound is a free, open-source MCP server that gives AI coding agents a nose for supply chain security. It scans packages for vulnerabilities, checks licenses, inspects dependency trees, and detects typosquatting — with zero API keys, zero config, and zero cost.

Humanizer PRO is an MCP server that transforms AI-generated text into natural, human-sounding content. It provides 4 tools: - humanize_text: Rewrite AI text to bypass detectors like GPTZero, Turnitin, Originality.ai, Copyleaks, and ZeroGPT. Three modes: Stealth (highest bypass rate), Academic (Turnitin-optimized), SEO (marketing content). - scan_ai_detection: Analyze text for AI patterns. Returns AI probability score, human-likeness percentage, and verdict. - check_word_balance: Check remaining word credits and subscription plan details. - get_subscription_plans: Browse plans - Free (500 words), Starter ($9.99/mo, 30K words), Creator ($14.99/mo, 100K words), Pro Annual ($119.88/yr, 100K words/mo). Authentication: OAuth 2.0. Works with ChatGPT, Claude, Cursor, and all MCP-compatible clients.

Gives AI agents access to real-world people who listed themselves to be hired by agents. 31 tools including search by skill/location/equipment, job offers, job board listings, in-job messaging, and streaming payments. Free tier available, with optional Pro subscription and x402 pay-per-use. Payments default to crypto (USDC) but are flexible.

20 financial tools for AI agents: real-time FX conversion, stock quotes, crypto prices, open banking, Stripe payments, calculators, news headlines and web reading. Free and standard tiers.

Convert any file or URL to clean AI-ready Markdown. Supports PDF, Word, Excel, PowerPoint, YouTube, ArXiv, Wikipedia, and 18 more formats. Up to 63% fewer tokens for ChatGPT and Claude. Free, no API key required.

A free, plug-and-play knowledge base with over 10,000 built-in insight reports and support for parsing private documents.

The best agent monetization tool: free search, clear rev-share, 10M+ commerce/travel/local offers.