Lists all Pinako installs currently connected to this MCP server. Each entry: browserBrand (human-readable name like
AI agents call list_browsers to retrieve information from Pinako AI Bridge without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a read-only operation that queries and returns a list of connected Pinako browser installations. There are no side effects, no data modifications, no code execution, and no destructive actions. This clearly falls under the 'Read' category for data retrieval operations. Severity is low because listing connected instances poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name is 'list_browsers' and description indicates it 'Lists all Pinako installs currently connected to this MCP server.' This is a pure query operation that retrieves information about connected browser instances without modifying any state.
Attacks that exploit this kind of access
Lists all Pinako installs currently connected to this MCP server. Each entry: browserBrand (human-readable name like. It is categorised as a Read tool in the Pinako AI Bridge MCP Server, which means it retrieves data without modifying state.
Register the Pinako AI Bridge MCP server in PolicyLayer and add a rule for list_browsers: 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 Pinako AI Bridge. Nothing to install.
list_browsers 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 list_browsers 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 list_browsers. 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.
list_browsers is provided by the Pinako AI Bridge MCP server (teleomorph/pinako-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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