red_tar 

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

A durable step journal on SQLite: each side effect of a flow records its intent before it runs and its result after, so a process that restarts finishes or cleans up what it left. Native AOT compatible.

Guards an MCP endpoint served over streamable HTTP: any Origin header is refused (the DNS-rebinding guard), and a bearer token is required, compared in fixed time, failing closed when none is configured. Native... More information

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.

Applies SQL scripts embedded in an assembly to PostgreSQL with DbUp, once each, in name order, journalled in the database. Creates the database when it is missing, writes DbUp's log to an ILogger, and throws... More information

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

A stub HttpMessageHandler for tests: answers each request from a function or a scripted sequence, and records every request with its body and headers, read before the caller disposes it. No test-framework... More information

Bi-temporal facts in your own PostgreSQL that can explain themselves: immutable rows with a valid time and a transaction time, cardinality-typed predicates, retraction, purge of a source by replay, ExplainAsync... More information

A polling BackgroundService that never stops the host: polls on start and then every interval, logs a failed poll and tries again with exponential backoff, reports each outcome to optional hooks whose own... More information

A PostgreSQL server in a Testcontainers container for integration tests: started once per run, optionally migrated by a callback, with a database per test or a truncate of every table between tests. No... More information

Test doubles for Switchknife.Facts: a scripted IFactExtractor that replays queued model replies or errors and records each request, so code that extracts facts can be tested without calling a model. No... More information