Utilities MCP servers

Extract schema-valid JSON from text/HTML or document images. Pay with x402 on Base or MPP on Tempo.

Watts, volts, amps, kWh and electricity cost calculator tools for AI assistants.

Exact rational and algebraic computation, with machine-readable Word contracts, in Ajisai.

Benchmark math for flat-rate software subscriptions against a fully loaded senior hire.

Per-app CPU, efficiency-core and memory control for Apple Silicon Macs, with suggestions and undo.

Local climate and energy calculators with optional public weather and guide lookup for Germany/EU.

Render HTML to PDF (html_to_pdf) plus boxpdf library docs and templates, for AI agents.

Check emails for typos, disposable domains and dead domains. Runs locally, no API key.

ExactPDF local stdio MCP client: hosted API PDF merge, split, compress, Markdown source packs.

Optimization middleware for AI agents: JSON problem in, verified and ranked solutions out.

Local PDF and photo tools: merge, split, rotate, number PDFs; strip photo GPS. No uploads.

Fixes the names and jargon speech-to-text gets wrong before your agent acts on a dictated prompt.

927 deterministic algorithms as 57 MCP tools: coupling, value, distance, correlation, reduction.

Edge-based network diagnostic utility checking host latency, gated via x402 payment rails.

MCP server (stdio): repair broken/malformed JSON via the AgentForge API

Clean, repair, and convert AI-generated Markdown to HTML/PDF/DOCX/PNG; save and share documents.

ComPDF remote MCP server

IP address geolocation and batch lookup with country, city, region, ISP, and timezone. By UnClick.

Solar estimates, provider comparison, energy prices and blog for Italy

RFC 6901 / RFC 6902 compliant JSON Pointer and JSON Patch delta computation engine

Convert GitHub Flavored Markdown to Word (.docx) documents in Node or the browser

Construction takeoff calculators (concrete, gravel, asphalt, roofing) and sourced constants.

Agent tools via MCP and REST: 46 MCP tools free (rate-limited), 31 REST routes x402-paid.

Pay-per-call agent tools over x402 (USDC on Base) — no signup or API key.

An MCP server that can delete directories, and the guard rails that make that acceptable.

Brazilian tools for agents: Pix, CEP, CNPJ, BCB rates + web capture and PDF. Pay per call.

Date context for agents: Chinese lunar calendar, solar terms, holidays for 12 regions. Offline.

MCP server for time in cities around the world, time zones, DST, conversion, and meetings.