trail SKILL.md skillA
trail from trailhq/graft is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add trailhq/graft/trail@git:20261029.55b03aePins git:20261029.55b03ae in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- trailhq/graft
- Path
test/fixtures/skills/trail/SKILL.md- Versions recorded
- 6
- Latest version
- git:20261029.55b03ae, committed Oct 29, 2026
- First version recorded
- Oct 22, 2026
- Size
- 19,226 bytes
- Repository stars
- 11,120
- License
- MIT
Use for ANY task in this repo. What past sessions worked out, decided and.
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
# trail ## When to reach for trail - **Before exploring code**, run `trail ask "<task>" --source`, even for a plain "where is" or "how does this work" question, before you grep or open files. Learnings from past sessions, yours and your teammates', on what was decided, tried and ruled out print above the code. Read them first. - **When you start from a ticket, an issue or a bug report**, run `trail ask` with its words before you plan, so you start from what was already decided about that area. - **When a test or command fails while you debug**, run `trail ask` on that area before you try a fix: a past session may have tried and ruled out the fix you're about to try. - **Before you change a file**, trail puts the learnings on it in front of you. Read them before you write the edit. - **When the session finds what the code can't tell the next person**, save a learning with `trail note`, and commit it with the change. What counts is under Saving a learning below. - **When the work is ready for review**, run `trail check` before you commit it, push the branch or open a PR. It checks the changes against this repo's …
Read the whole file at its exact version.
How to install
mdr add trailhq/graft/trail@sha256:66ee925b08f27224The line at the top of this page pins the label git:20261029.55b03ae, 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.
[](https://markdownregistry.com/a/art_prbojmvben7ujevy)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 6 versions of this file, between Oct 22, 2026 and Oct 29, 2026, about one every day.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261029.55b03ae latest | 2026-10-29 | 55b03ae | 19,226 B | A | view · diff |
| git:20261027.961a9e8 | 2026-10-27 | 961a9e8 | 18,862 B | A | view · diff |
| git:20261027.a298b4c | 2026-10-27 | a298b4c | 18,294 B | A | view · diff |
| git:20261026.7a3dda1 | 2026-10-26 | 7a3dda1 | 18,187 B | A | view · diff |
| git:20261023.d205ac3 | 2026-10-23 | d205ac3 | 17,898 B | A | view · diff |
| git:20261022.b155680 | 2026-10-22 | b155680 | 16,367 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (19226 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
trailhq/graft · 11,120 stars · license MIT · pushed 2026-11-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_prbojmvben7ujevy GET https://markdownregistry.com/api/v1/resolve?ref=trailhq/graft/trail GET https://markdownregistry.com/api/v1/blob/66ee925b08f272243d90d59fed1ed3f3e589c6f21fb3fcfde48464e1cc03d33f
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.