agent-browser SKILL.md skillB

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

Install it, pinned
mdr add shelra/shelracode/agent-browser@git:20260919.db3e167

Pins git:20260919.db3e167 in mdr.lock. Pin the fingerprint instead.

Audit grade
B, 16 of 17 checks passed
Kind
SKILL.md skill
Repository
shelra/shelracode
Path
.agents/skills/agent-browser/SKILL.md
Versions recorded
2
Latest version
git:20260919.db3e167, committed Sep 19, 2026
First version recorded
Sep 13, 2026
Size
2,540 bytes
Repository stars
3
License
a license file GitHub does not identify

Use the host-side `agent-browser` CLI for local browser smoke tests, screenshots, snapshots, and simple UI validation against forwarded localhost URLs.

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

# agent-browser

Use this skill when verification needs a real browser after the app is booted from the sandbox.

This project uses `agent-browser` on the host, not inside Shuru. The usual flow is:

1. Start the app with sandboxed bash.
2. Expose it through a forwarded localhost port.
3. Use `agent-browser` against that localhost URL.

## Requirements

- The `agent-browser` CLI must be installed and available on `PATH`.
- Prefer `http://127.0.0.1:<port>` or another explicit localhost URL.
- Use a named browser session when there is any chance of concurrent runs.

## Core flow

```bash
agent-browser --session verify open http://127.0.0.1:3000
agent-browser --session verify wait --load networkidle
agent-browser --session verify snapshot -i
```

After any click or navigation, re-snapshot before using old refs again.

## Common commands

```bash
# Open and wait for readiness
agent-browser --session verify open <url>
agent-browser --session verify wait --load networkidle

# Inspect the page
agent-browser --session verify snapshot -i
agent-browser --session verify get title
agent-browser --session verify get url

# Interact with elements from snapshot refs
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add shelra/shelracode/agent-browser@sha256:d25ff886a7b2731f

The line at the top of this page pins the label git:20260919.db3e167, 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_cedgo7idgn3ywafa.svg)](https://markdownregistry.com/a/art_cedgo7idgn3ywafa)

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

Versions

The registry has recorded 2 versions of this file, between Sep 13, 2026 and Sep 19, 2026, about one every 6 days.

versioncommittedcommitsizeaudit
git:20260919.db3e167 latest2026-09-19 db3e167 2,540 BB view · diff
git:20260913.3f8e1222026-09-13 3f8e122 2,530 BB view

Audit of the latest version

B  16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • fail: No link to a raw IP address (matched: http://127.0.0.1)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (2540 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 script tag

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

shelra/shelracode · 3 stars · license a license file GitHub does not identify · pushed 2026-10-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_cedgo7idgn3ywafa
GET https://markdownregistry.com/api/v1/resolve?ref=shelra/shelracode/agent-browser
GET https://markdownregistry.com/api/v1/blob/d25ff886a7b2731f37c0810ecb4563de17dea7b30aa742e5e0d1d5f0733fac92

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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