Menu

Individual skill

why

0upvotes

Use when asked why something works this way, for design rationale, a postmortem, a data-backed threshold, or a source-tiered evidence report. Not for current runtime behavior: use how.

.devin/skills/why/SKILL.md

Read pinned source

Source commit b0e8ce89a19fac880251dc3ea1babfeb4503a4fe

What was checked

Matches the observed repository HEAD
Yes
Scanner rules are current
No
Repository scan complete
No
Skill scan complete
No
Observed behavior
Not checked yet
Last checked
Nov 4, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

Install this skill

Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.

An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.

Repository context

Repository stars (not skill ratings)
55
Repository last updated
Sep 28, 2026
License
Apache-2.0

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

Files and excerpt

File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.

Browse files
Read excerpt

# Why

## Contract

| Field | Bound contract |
|---|---|
| Trigger | User asks why something works this way or why an option was picked, or requests design rationale, a postmortem, a data-backed threshold, or an evidence report organized by source-confidence tier. |
| Authority | Read-only. No file, VCS, credential, paid, published, deployed, or remote mutation. Parallel investigator subagents and a synthesizer run read-only. |
| Side effect | Parallel investigator subagents and a synthesizer run read-only; the only output is the cited narrative in chat. |
| Done | Return a confidence-weighted cited narrative with direct findings, inferences, hypotheses, gaps, and sources (full mode), or a confidence-tiered narrative with unknowns retained (source-tiers mode). |
| Invocation | Model or human. Requests concerned only with current runtime behavior, rather than motivation or rationale, are outside this trigger. |

## Inputs
Back to top