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constraint-driven-development SKILL.md skillA

constraint-driven-development from outlinedriven/outline-driven-development is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add outlinedriven/outline-driven-development/constraint-driven-development@git:20260905.1f63894

Pins git:20260905.1f63894 in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: outlinedriven/outline-driven-development
Path: .devin/skills/constraint-driven-development/SKILL.md
Versions recorded: 2
Latest version: git:20260905.1f63894, committed Sep 5, 2026
First version recorded: Sep 2, 2026
Size: 5,434 bytes
Repository stars: 56
License: Apache-2.0

Use when asked to implement under non-negotiable constraints: performance budgets, platform limits, legal or API rules. Not for remote, credential, publish, deploy, or irreversible changes.

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

# Constraint-driven development

## Contract

| Field | Bound contract |
|---|---|
| Trigger | Implementing under explicit non-negotiable constraints such as performance budgets, platform limits, or legal or API rules. |
| Authority | Reversible local: writes only the constraints record and constrained code changes in the working tree; rollback is undo (revert those writes). No VCS history, credential, or remote mutation. |
| Side effect | A constraints record and the code changes that satisfy it, both local and revertible. |
| Done | All stated constraints verifiably pass in the delivered change and no unrelated behavior regressed, recorded in the constraints artifact. |

## Inputs

Required: the set of non-negotiable constraints the change must satisfy, each stated as a measurable predicate (a budget number, a platform limit, or a legal or API rule with a checkable condition). Optional: an existing constraints record that already governs the target tree. A constraint that arrives as prose without a measurable form must be converted to one before any code is written; a constraint that cannot be checked is unmeasurable and stops the run.

## Procedure
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add outlinedriven/outline-driven-development/constraint-driven-development@sha256:f48ef5ad71ff2e99

The line at the top of this page pins the label git:20260905.1f63894, 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](https://markdownregistry.com/badge/art_3rix2qdicad6ykoa.svg)](https://markdownregistry.com/a/art_3rix2qdicad6ykoa)

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

Versions

The registry has recorded 2 versions of this file, between Sep 2, 2026 and Sep 5, 2026, about one every 3 days.

version	committed	commit	size	audit
git:20260905.1f63894 latest	2026-09-05	1f63894	5,434 B	A	view · diff
git:20260902.1fe14a3	2026-09-02	1fe14a3	5,599 B	A	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 (5434 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

outlinedriven/outline-driven-development · 56 stars · license Apache-2.0 · pushed 2026-09-28 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_3rix2qdicad6ykoa
GET https://markdownregistry.com/api/v1/resolve?ref=outlinedriven/outline-driven-development/constraint-driven-development
GET https://markdownregistry.com/api/v1/blob/f48ef5ad71ff2e996d25518c7b8224f06b3c895dfdefa86503a49b971fac3d28

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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