HMIC / Open source

Tools you can inspect.

Small pieces of our working pipeline, released separately with tests, documentation and limits. Source and versioned releases are on GitHub.

Python / MIT / v1.0.0 / November 2026

Bounded JSON Input

Read untrusted JSON through a strict boundary. It rejects invalid UTF-8, byte-order marks, duplicate keys, nonfinite numbers and inputs that exceed configured size or structure limits. It does not validate an application schema.

Source and testsv1.0.0 release

Python / MIT / v1.0.0 / November 2026

Process Haltere

Calculate elapsed time, time since durable progress, and warning or red-flag thresholds for a long-running job. A timestamped status claim alone does not prove a process is running; this tool calculates timing from the evidence supplied to it.

Source and testsv1.0.0 release

Python / MIT / v1.0.0 / August 2026

ALCOA RubberStamp

Create and independently verify a deterministic commitment to a set of files. This reference tool does not prove the records are true or supply a validated compliance system.

Read the instructionsSource and release