MCP connectors by io.github.Nero-Engine

Which US states must a remote seller register in for sales tax? Every state's nexus rule. Sourced.

Legal US minimum wage and tipped wage for any address, city, county or state on any date. Sourced.

Who to notify after a data breach and by what date: all US states, SEC, HIPAA, GDPR, UK. Sourced.

Must a job post show pay? Rules for US states and cities, Canada and all 27 EU countries. Sourced.

Works out UK tourist tax for a holiday let booking: Edinburgh, Glasgow, Cardiff and more. Free.

Does a UK business have to right-to-work check a subcontractor or gig worker from 1 Oct 2026? Free.

Dedupe, flatten and clean messy JSON rows (emails, phones, URLs, HTML) in one call, as JSON or CSV.

Join two lists of JSON rows on a key, like SQL or VLOOKUP: left, inner, full, anti joins, union.

Clean, filter and reshape JSON rows in one call: 26 transforms, 25 filters, sort, dedupe, limit.

Compare two versions of a JSON row list: what was added, removed or changed, field by field.

GROUP BY and pivot tables for JSON rows: 11 functions, date buckets, top N, totals, messy numbers.