using-opm SKILL.md skillA

using-opm from harshadmadaye/opm is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add harshadmadaye/opm/using-opm@git:20261005.14f51b0

Pins git:20261005.14f51b0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
harshadmadaye/opm
Path
skills/using-opm/SKILL.md
Versions recorded
8
Latest version
git:20261005.14f51b0, committed Oct 5, 2026
First version recorded
Sep 12, 2026
Size
4,119 bytes
Repository stars
5
License
MIT

Establishes how to find and invoke OPM skills before taking any other action, including clarifying questions. Use when starting any conversation or task, before exploring the codebase, answering a question, entering plan mode, or writing code.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Using OPM

This file is injected at SessionStart by the OPM plugin hook, so it stays short. Subagents dispatched to execute a single task: ignore this skill.

## The Rule

If there is even a small chance a skill applies to what you are about to do, invoke it BEFORE any other action: before clarifying questions, before exploring the codebase, before checking files. If it turns out wrong for the situation, you do not have to use it.

Then announce "Using opm:<name> to <purpose>" and follow the skill exactly. If it has a checklist, create a todo per item.

## How to Invoke

- Skill tool: `Skill(skill: "opm:<name>")`, or the slash command `/opm:<name>`.
- Process skills come first (they set the approach); implementation skills carry it out.
- "Run this plan" -> `opm:executing-plans`.
- Before entering plan mode: if you have not brainstormed yet, invoke `opm:brainstorming` first.

## Pick the size first

| Size | Signal | Skill |
|------|--------|-------|
| spike | one file or about 10 lines, a clear bug or tweak | `opm:tdd-workflow`, no spec, plan or reviewer |
| bounded | a feature of a few tasks, design needed | `opm:brainstorming` then `opm:writing-plans` |
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add harshadmadaye/opm/using-opm@sha256:d78fd1e9c6787247

The line at the top of this page pins the label git:20261005.14f51b0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ejjm3i54ifjkbpvf.svg)](https://markdownregistry.com/a/art_ejjm3i54ifjkbpvf)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 8 versions of this file, between Sep 12, 2026 and Oct 5, 2026, about one every 3 days.

versioncommittedcommitsizeaudit
git:20261005.14f51b0 latest2026-10-05 14f51b0 4,119 BA view · diff
git:20261005.53e43d72026-10-05 53e43d7 3,529 BA view · diff
git:20261005.4f6f5702026-10-05 4f6f570 3,518 BA view · diff
git:20260928.38649c82026-09-28 38649c8 3,361 BA view · diff
git:20260922.ac530a22026-09-22 ac530a2 3,357 BA view · diff
git:20260916.cc0972f2026-09-16 cc0972f 3,251 BA view · diff
git:20260912.1518a1c2026-09-12 1518a1c 3,117 BA view · diff
git:20260912.a10a7902026-09-12 a10a790 3,023 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (4119 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

harshadmadaye/opm · 5 stars · license MIT · pushed 2026-10-05 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ejjm3i54ifjkbpvf
GET https://markdownregistry.com/api/v1/resolve?ref=harshadmadaye/opm/using-opm
GET https://markdownregistry.com/api/v1/blob/d78fd1e9c67872478be5bdaaac841b9437b880644132fa90244e7b7c31aa9dbb

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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tdd-workflow SKILL.md skill
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