browser_snapshot_search

Search for a pattern across all spans of the current page snapshot using regular expressions. Returns matches with both global line numbers (across entire snapshot) and in-span line numbers (within each span). Shows which spans contain matches for navigation. Supports regex flags like

SERVERCowork Bench SOURCE0717376/cowork_bench

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/cowork-bench/browser-snapshot-search.md

WHAT IT DOES

What browser_snapshot_search does on Cowork Bench

AI agents call browser_snapshot_search to retrieve information from Cowork Bench without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why browser_snapshot_search is rated Low

Even though browser_snapshot_search only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_snapshot_search safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Cowork Bench, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For browser_snapshot_search, this is the rule to start with:

browser_snapshot_search Allowed

browser_snapshot_search is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "browser_snapshot_search": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Cowork Bench, apply this rule, and every browser_snapshot_search call is checked against it from then on.

FAQ

Questions about browser_snapshot_search

What does the browser_snapshot_search tool do? +

How do I enforce a policy on browser_snapshot_search? +

Register the Cowork Bench MCP server in PolicyLayer and add a rule for browser_snapshot_search: 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 Cowork Bench. Nothing to install.

What risk level is browser_snapshot_search? +

browser_snapshot_search is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit browser_snapshot_search? +

Yes. Add a rate_limit block to the browser_snapshot_search 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.

How do I block browser_snapshot_search completely? +

Set action: deny in the PolicyLayer policy for browser_snapshot_search. 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.

What MCP server provides browser_snapshot_search? +

browser_snapshot_search is provided by the Cowork Bench MCP server (0717376/cowork_bench). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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