jam-to-e2e SKILL.md skillA

This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.

jam-to-e2e from jamdotdev/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add jamdotdev/skills/jam-to-e2e@git:20261028.030b9e0

Pins git:20261028.030b9e0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
jamdotdev/skills
Path
skills/jam-to-e2e/SKILL.md
Versions recorded
8
Latest version
git:20261028.030b9e0, committed Oct 28, 2026
First version recorded
Oct 22, 2026
Size
9,404 bytes
Repository stars
11
License
MIT

Turn a Jam (a jam.dev screen recording with the console, network and user actions attached) into steps and an end-to-end test in the project's own runner and language, with first-class guidance for Playwright and tester-army/e2e, grounded in the current code. A Jam of a flow or demo becomes a test that guards it; a Jam of a bug becomes a failing test the fix turns green. Use when the user pastes a jam.dev link and asks for an e2e test, a regression test, a repro, or to "write a test for this".

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

# jam-to-e2e

The Jam shows what the user did and what the screen, console and network
did in return. The code shows what the labels and routes are today. The
tests assert what the product must do. One test per claim: a Jam that walks
through three screens is three tests, and a Jam of one bug is one.

A Jam is not always a bug report, so the user's request decides what the
test must do today, not the Jam:

- "Cover this flow", "write a test for this demo": the test asserts what the
  Jam shows and **passes** today. It guards the flow.
- "Regression test", "reproduce this bug", "test for this bug": the test
  asserts what should have happened and **fails** until the fix lands.
- Neither said: take the Jam's title and description as the hint, state
  which reading you took, and ask when you can.

## Pick the interface

Use the Jam Model Context Protocol (MCP) tools when they are connected.
Otherwise read [references/cli.md](references/cli.md) for the Jam CLI setup; the table
below gives the command for each read.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add jamdotdev/skills/jam-to-e2e@sha256:4d103c6e085dade2

The line at the top of this page pins the label git:20261028.030b9e0, 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_mgnbrtgn7fg67u42.svg)](https://markdownregistry.com/a/art_mgnbrtgn7fg67u42)

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

Versions

The registry has recorded 8 versions of this file, between Oct 22, 2026 and Oct 28, 2026, more than one a day.

versioncommittedcommitsizeaudit
git:20261028.030b9e0 latest2026-10-28 030b9e0 9,404 BA view · diff
git:20261028.1153f122026-10-28 1153f12 9,311 BA view · diff
git:20261027.06baa682026-10-27 06baa68 9,177 BA view · diff
git:20261022.0f00c182026-10-22 0f00c18 8,944 BA view · diff
git:20261022.832a0b62026-10-22 832a0b6 8,693 BA view · diff
git:20261022.8fed62f2026-10-22 8fed62f 8,645 BA view · diff
git:20261022.cf595bb2026-10-22 cf595bb 8,270 BA view · diff
git:20261022.e6187ca2026-10-22 e6187ca 8,185 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 (9404 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

jamdotdev/skills · 11 stars · license MIT · pushed 2026-11-02 · branch master

API

GET https://markdownregistry.com/api/v1/artifacts/art_mgnbrtgn7fg67u42
GET https://markdownregistry.com/api/v1/resolve?ref=jamdotdev/skills/jam-to-e2e
GET https://markdownregistry.com/api/v1/blob/4d103c6e085dade269fb905d0973a6754b0eaa0cc8ae98f3ba90f2c8955ce257

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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Every file in jamdotdev/skills

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