chainreactors/ioa · skills/checkpoint/SKILL.md

checkpoint skillA

checkpoint is agent-read markdown (skill) from chainreactors/ioa: Human-in-the-loop review protocol. Use when execution reaches an approval boundary that requires human judgment before proceeding..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add chainreactors/ioa/checkpoint@git:20260608.9514d23
Exact content
mdr add chainreactors/ioa/checkpoint@sha256:c8fd548dbfb55313

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_f2vjgkhvnl3ndjhx.svg)](https://markdownregistry.com/a/art_f2vjgkhvnl3ndjhx)

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Versions

versioncommittedcommitsizeaudit
git:20260608.9514d23 latest2026-06-08 9514d23 1,504 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (1504 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

chainreactors/ioa · 24 stars · license MIT · pushed 2026-09-15 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_f2vjgkhvnl3ndjhx
GET https://markdownregistry.com/api/v1/resolve?ref=chainreactors/ioa/checkpoint
GET https://markdownregistry.com/api/v1/blob/c8fd548dbfb553130e1e7f4b1dd35cffb71973038584c98dbf77baaf9a11ac13

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.