"Analyzing Bitcoin Blockchain Operations" matching MCP connectors:

HopiA

uk.co.hopi

Over 200 free UK-focused calculators, converters and generators as MCP tools: take-home pay and National Insurance for 2026/27, VAT, stamp duty, mortgages, loans, savings, inflation since 1988, currency with live rates, dates and working days with bank holidays, unit conversions, health calculators, colour and text utilities, encoding, hashing, JWT and TOTP, and validators for IBANs and Bitcoin and Ethereum addresses. Every tool is read-only, stateless and computes on the spot; nothing you send is stored. Each result links to its source page on hopi.co.uk.

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mcp-serverOAuth

io.klokin

MCP server exposing klokin time-tracking operations (employees, time entries, stores) to AI clients.