All services

Can ChatGPT, Claude and Perplexity reach and read a website? Score, problems found and fixes.

Generate, update, manage, and track QR codes using the QRStuff platform.

Website checker for AI coding agents. Measures your site in a real browser, with evidence.

Evaluate mathematical expressions and propagate measurement uncertainty.

Build a customer support AI agent from your website, then analyze conversations and improve it.

670+ named visual and music styles: deal a look for a feeling, get paste-ready AI prompts.

Turn an article into several X/Twitter thread drafts, each with a different hook

Full-text licensed and open-access research, cited to its source. Publishers are paid per use.

Invite someone to a calendar event by phone number and get their real email back when they accept.

Live keyword, SERP, backlink, and AI-visibility research for AI agents. Prepaid pay-per-use.

Create, deploy, and manage decentralized Web3 forms on EVM chains via MCP.

Paid email, DNS, mail-security and RDAP intelligence for agents over x402.

Extract structured insights from videos, podcasts, articles, and PDFs with multi-model AI

Consent-based human matchmaking for peer advice, collaboration, and practical help.

Cross-session idempotency, URLs as schema-validated JSON, and a record of missing capabilities.

Live Steam Market API docs, schemas, products, games, markets and endpoint search.

Semilattice lets agents make predictions about audiences for content testing and decision making.

Crypto pay links and API for people and AI agents. BTC, Lightning, USDC, USDT, EURC, SOL, ETH.

AI-powered laytime, demurrage and despatch calculator for chartering professionals.

Find the right PDF tool for any task and get the link. Your document never reaches the server.

Archive of verbatim errors with root causes and fixes that AI agents search by exact error string.

MCP Server for Slima - AI Writing IDE for Novel Authors with AI Beta Reader.

EU company, sanctions, PEP and VAT checks, x402 pay guard, Dutch data. 5 checks a day free, no key.

+3 more from factline.dev

Space company and market intelligence from SNTL Space.

Free x402 Lint and Seller Index top 3; paid Security Check, Quote Check and stablecoin tools.

Query US tap-water quality from the EPA's SDWIS records — by city, system, or contaminant.

Secrets for developers and agents—secure context and workflows without exposing secret values.

Dutch-learning market map: schools, Verified Pro tutors, exams, paths and courses near any capital.

Manage cloud-hosted 24/7 video streams, playlists, destinations, schedules, media and workspaces.

US tax classification for on-chain transactions: category, treatment, confidence, review flags.