built-in-browser SKILL.md skillA
built-in-browser from chancegraff/rules-for-claude is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add chancegraff/rules-for-claude/built-in-browser@git:20261012.5501616Pins git:20261012.5501616 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- chancegraff/rules-for-claude
- Path
skills/.trash/1791476949858-90017-m7b5bh/built-in-browser/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261012.5501616, committed Oct 12, 2026
- Size
- 6,529 bytes
- Repository stars
- 4
- License
- none declared
Read this skill before the first step that uses the built-in browser, the browser pane inside the Claude desktop app (also called the in-app browser, the browser pane, Claude's browser, or "your own browser"), whose tools are named mcp__Claude_Browser__* when the session runs in the desktop app and mcp__remote-devices__Claude_Browser__* when a cloud session is linked to the person's computer; before those tools are turned on there may be a single enable__mcp__remote-devices__Claude_Browser…
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
# Built-in browser The built-in browser is a real browser pane inside the Claude desktop app, separate from the person's Chrome. Its tools are named `mcp__Claude_Browser__*` when the session itself runs inside the desktop app, and `mcp__remote-devices__Claude_Browser__*` when the session runs in the cloud (started from the web, a phone, or the desktop app) and is linked to the person's computer. The names after the prefix are the same either way, Claude uses whichever prefix is actually present, and this skill refers to the tools by the part after the prefix. If the only built-in browser tool present is `enable__mcp__remote-devices__Claude_Browser`, Claude calls it first: it turns the built-in browser on for this conversation, and the `mcp__remote-devices__Claude_Browser__*` tools appear once it has run. ## What the person can see …
Read the whole file at its exact version.
How to install
mdr add chancegraff/rules-for-claude/built-in-browser@sha256:b5a720afbcde0d6aThe line at the top of this page pins the label git:20261012.5501616, 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_dkrsjtqt2oablb7q)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Oct 12, 2026.
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 (6529 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
chancegraff/rules-for-claude · 4 stars · license none declared · pushed 2026-10-15 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_dkrsjtqt2oablb7q GET https://markdownregistry.com/api/v1/resolve?ref=chancegraff/rules-for-claude/built-in-browser GET https://markdownregistry.com/api/v1/blob/b5a720afbcde0d6a77c1bc1d34ab56f3d4b09d071b92129783b4faf7f2a3fe62
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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