red_tar 

Validates national identification numbers, tax identification numbers, VAT codes and postal codes for 87 countries, against the rule each country publishes. Started as a fork of CountryValidator by Anghel... More information

DataAnnotations attributes for Attest: validate a national identification number, tax identification number or VAT code on a model property.

MCP server and CLI that runs coding-agent workers on a codebase question and returns an answer whose claims carry evidence.

JSON Schemas request/v1, task-spec/v1, result/v1, run-status/v1 and preset/v1 for chargehand, with C# types and a validator.