AI agents call browser_video_chapter as a supporting operation in Playwright workflows.
The description is empty, so the exact behavior is unknown. The name suggests navigating to or retrieving a video chapter in a browser context, which could be a Read or Execute action. Given the ambiguity, and that it appears to be a minor navigation/seek operation on video content, it is classified as Other with low confidence due to insufficient information.
From the tool's definition Tool name 'browser_video_chapter' with empty description; sibling tools suggest a Playwright browser automation server
Documented attack patterns abuse exactly the kind of access browser_video_chapter gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Playwright, and nothing reaches the server without passing your rules. This is the rule we recommend for browser_video_chapter:
{
"version": "1",
"default": "deny",
"tools": {
"browser_video_chapter": {
"limits": [
{
"counter": "browser_video_chapter_rate",
"window": "minute",
"max": 60,
"scope": "grant"
}
]
}
}
}browser_video_chapter gets a rate cap, and everything else on the server is denied unless you say otherwise.
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browser_video_chapter. It is categorised as a Other tool in the Playwright MCP Server, which means it performs auxiliary operations.
Register the Playwright MCP server in PolicyLayer and add a rule for browser_video_chapter: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Playwright. Nothing to install.
browser_video_chapter is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the browser_video_chapter rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for browser_video_chapter. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
browser_video_chapter is provided by the Playwright MCP server (@playwright/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Playwright, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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68 Playwright tools catalogued and risk-classified — across an index of 43,000+ MCP servers.