Get TLS/SSL certificate details for HTTPS sites (see browser_docs)
AI agents call browser_sec_get_certificate_info to retrieve information from Browser MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only query of TLS/SSL certificate metadata for HTTPS sites. It retrieves and returns certificate information such as issuer, expiration, validity, and other cryptographic details. There are no side effects, no data modification, no code execution, and no destructive operations.
From the tool's definition Tool name contains 'get' and description states 'Get TLS/SSL certificate details' - retrieves certificate information with no modification or side effects.
Attacks that exploit this kind of access
Get TLS/SSL certificate details for HTTPS sites (see browser_docs). It is categorised as a Read tool in the Browser MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Browser MCP Server MCP server in PolicyLayer and add a rule for browser_sec_get_certificate_info: 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 Browser MCP Server. Nothing to install.
browser_sec_get_certificate_info 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_sec_get_certificate_info 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_sec_get_certificate_info. 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_sec_get_certificate_info is provided by the Browser MCP Server MCP server (madebytokens/browser-mcp-server). 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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