webapp-debugger SKILL.md skillB
webapp-debugger from sentimony/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add sentimony/skills/webapp-debugger@v0.0.7Pins v0.0.7 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- B, 16 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- sentimony/skills
- Path
skills/webapp-debugger/SKILL.md- Versions recorded
- 6
- Latest version
- v0.0.7, committed Nov 7, 2026
- First version recorded
- Oct 1, 2026
- Size
- 10,395 bytes
- Repository stars
- 7
- License
- MIT
Experimental. User-invoked via /webapp-debugger only. Debugs and verifies a local web app through the agent-browser CLI - opens pages, interacts by accessibility refs, and collects console, page errors, network, and screenshots as evidence.
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
# Webapp Debugger Drive a local web app through [agent-browser](https://github.com/vercel-labs/agent-browser) and return browser evidence: rendered state, accessibility snapshots, console output, page errors, network requests, and screenshots. Every step is a shell command; no automation script is written. ## Boundary with `debugging` and `web-debug` `debugging` owns the method: symptom, hypothesis, causal explanation, fix. This skill answers its questions with browser evidence and hands the results back. When static reading or tests already localize the problem, a browser is unnecessary. `web-debug` covers the same ground with Python Playwright scripts. Use this skill only when the user invoked `/webapp-debugger`; do not fall back to Playwright from here. ## Prerequisites Check `agent-browser --version` first. If the command is missing, report the prerequisite and install it only once the user authorizes setup, pinned to an exact release: `npm install -g agent-browser@0.39.0`, then `agent-browser install` to download the browser. If a command fails with a connection or version error, run `agent-browser doctor` before retrying. …
Read the whole file at its exact version.
How to install
mdr add sentimony/skills/webapp-debugger@sha256:910861df9306b787The line at the top of this page pins the label v0.0.7, 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_he7as2xggr56dlcq)
0 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 6 versions of this file, between Oct 1, 2026 and Nov 7, 2026, about one every 7 days. Its first recorded version is graded A and its latest B.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v0.0.7 latest | 2026-11-07 | e2d7cec | 10,395 B | B | view · diff |
| v0.0.6 | 2026-11-04 | 6022530 | 9,618 B | B | view · diff |
| v0.0.5 | 2026-11-04 | efb8f2a | 9,231 B | A | view · diff |
| v1.1.3 | 2026-11-01 | 9838372 | 9,231 B | A | view · diff |
| git:20261008.8af480a | 2026-10-08 | 8af480a | 193 B | B | view · diff |
| v1.0.0 | 2026-10-01 | 832a9a8 | 309 B | A | view |
Audit of the latest version
- 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 (10395 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
sentimony/skills · 7 stars · license MIT · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_he7as2xggr56dlcq GET https://markdownregistry.com/api/v1/resolve?ref=sentimony/skills/webapp-debugger GET https://markdownregistry.com/api/v1/blob/910861df9306b78769681037386bbaad0ff1966f8078a8f47a37e02a9e78124a
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.