Utilities MCP servers

Free Indian data and AI: pincode, IFSC, GSTIN, holidays, GST invoice, OCR, translation. No key.

Decode a 17-character VIN to make, model and year, with a link to the full vehicle history report.

List ID photo presets, plan print layouts, and render printable HTML photo sheets.

Free QR code generation via MCP: no-key static codes plus authenticated dynamic codes.

Exact expected-cost diagnostic policies for caller-supplied finite deterministic fault models.

29 free construction calculators plus Florida contractor, permit, federal award and AI-crawler data.

Water and energy footprint of AI use: chat prompts, agent sessions, methodology and sources.

Pay-per-use agent tools: screenshots, web to Markdown, PDF tables, OCR, UK company checks

Agent utilities: read big pages without filling context, exact math, dates, parsing. Free.

Deterministic MCP solver for real equation systems (<=6 vars), Krawczyk-certified.

Ten pay-per-call x402 tools for game planning and bounded data transforms on Base USDC.

Free agent tools: SEO snapshots, sitemap refresh, Wikipedia collections and saved-page MCP guides.

Verified, citable world numbers right now, each with a public tick and SHA-256 fingerprint.

24 PDF tools: convert to and from Office and JPG, compress, merge, split, OCR, sign, watermark

Scale recipes, convert kitchen units and merge shopping lists. Free.

Charter vs Own: the site's own MCP server — calculator, enquiry (enquiry = a human handoff, not...

Free UK calculators, converters and validators (tax, VAT, stamp duty, dates, units), read-only.

Convert files between 44 formats: documents, spreadsheets, images, ebooks, email and subtitles.

Paid MCP tools behind one endpoint. Agents pay per call in USDC on Base via x402.

Spin a random picker wheel, pick a random number, and search shared wheels from spinwheelnames.com.

Search generator guides, check connector compatibility, and plan generator cord size.

No-float UUM-8D Math Court. Integer courts and certified MCP. Floats refused.

Free German workforce calculators (bridge days, net working time, staffing/PeBeM) - no auth needed.

BaZi (Chinese Four Pillars) chart calculator. Structured chart data only, no predictions.

Generate and read PDFs for AI agents: a generate_pdf and a read_pdf tool, priced per document.

What's My IP Address: caller's public IP, ASN, geo, timezone, user-agent, headers, TLS info.

24 free tools: IP/VPN lookup, WHOIS, DNS, SPF/DMARC, site up/down, redirects, time zones. No key.

List compression profiles, estimate gains, and compress images, PDFs, and Office files.