browser_mutations
Get captured DOM mutations.
This record as markdown: /tools/salviz-termux-browser-pilot/browser-mutations.md
What browser_mutations does on Termux Browser Pilot
AI agents call browser_mutations to retrieve information from Termux Browser Pilot without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why browser_mutations is rated Low
This tool retrieves or queries captured mutation data from the browser's DOM without modifying, deleting, or executing anything. It is a passive observation tool that returns information about what has changed in the DOM, making it a Read category tool with low severity.
From the tool's definition Tool name 'browser_mutations' combined with description 'Get captured DOM mutations' indicates retrieval of previously captured data about DOM changes. The verb 'Get' explicitly indicates a read-only operation with no side effects.
Attacks that exploit this kind of access
The rule that runs browser_mutations safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Termux Browser Pilot, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For browser_mutations, this is the rule to start with:
browser_mutations is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Termux Browser Pilot, apply this rule, and every browser_mutations call is checked against it from then on.
Questions about browser_mutations
Get captured DOM mutations. It is categorised as a Read tool in the Termux Browser Pilot MCP Server, which means it retrieves data without modifying state.
Register the Termux Browser Pilot MCP server in PolicyLayer and add a rule for browser_mutations: 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 Termux Browser Pilot. Nothing to install.
browser_mutations is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the browser_mutations 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_mutations. 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_mutations is provided by the Termux Browser Pilot MCP server (salviz/termux-browser-pilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Termux Browser Pilot, and thousands of servers like it.
This server
Across the catalogue