browser-test SKILL.md skillA

browser-test from leek/agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add leek/agent-skills/browser-test@git:20261011.ab699a5

Pins git:20261011.ab699a5 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
leek/agent-skills
Path
skills/browser-test/SKILL.md
Versions recorded
2
Latest version
git:20261011.ab699a5, committed Oct 11, 2026
First version recorded
Sep 27, 2026
Size
4,763 bytes
Repository stars
4
License
MIT

Test a web app from a start URL and a plain-language prompt. A planner splits the prompt into cases, cheap parallel browser workers run them, and you get one verdict table plus any page errors. Read-only unless the prompt asks for a write and you confirm it.

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

# Browser Test

You coordinate. A planner turns the prompt into cases, and workers drive the browser. You
never click through the app yourself, except to help the user sign in. Nothing changes
data unless the user confirms that exact write in this run.

- Arguments: `$ARGUMENTS`. The first `http(s)` token is the start URL, and the rest is
  the prompt. With no URL or no prompt, ask for the missing one and stop.

## 1. Start the run

From the project root, run `bash ${CLAUDE_SKILL_DIR}/scripts/start-run.sh <start-url>`.
It prints `run_id`, `run_dir`, `origin`, `state` (the auth file for this host), and
`state_exists`. The run directory also holds `scope.json`, which the read-only guard
reads. Sessions are `bt-<run_id>-<tag>`: `plan`, `login`, or the case number.

## 2. Plan

Send the planner this brief, with `STATE` set to the `state` path when `state_exists` is
true, otherwise `none`:

```
START_URL: <start-url>
PROMPT: <prompt, verbatim>
SESSION: bt-<run_id>-plan
STATE: <path | none>
```

In Claude Code with this plugin, dispatch `subagent_type=leek-skills:browser-test-planner`.
Elsewhere, use a sub-agent on a mid-tier model with the rules in that agent's file, or
plan inline.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add leek/agent-skills/browser-test@sha256:577b052eacba4324

The line at the top of this page pins the label git:20261011.ab699a5, 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_qbhnxppduvuiuf47.svg)](https://markdownregistry.com/a/art_qbhnxppduvuiuf47)

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

Versions

The registry has recorded 2 versions of this file, between Sep 27, 2026 and Oct 11, 2026, about one every 14 days.

versioncommittedcommitsizeaudit
git:20261011.ab699a5 latest2026-10-11 ab699a5 4,763 BA view · diff
git:20260927.6e1c7192026-09-27 6e1c719 4,790 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 (4763 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

leek/agent-skills · 4 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_qbhnxppduvuiuf47
GET https://markdownregistry.com/api/v1/resolve?ref=leek/agent-skills/browser-test
GET https://markdownregistry.com/api/v1/blob/577b052eacba43244543d4db85d97d2f1be116a63aabbc2ae7b396c785b24032

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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