AI agents invoke start_ssrfmap_handler to trigger actions in Pentester-MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
This tool triggers external operations (starting an SSRF exploitation handler) whose effects depend on how it is configured and what target is provided. SSRF exploitation can lead to internal network reconnaissance, data exfiltration, or access to restricted services. The empty description lowers confidence slightly, but the tool name and server context clearly indicate Execute-category behavior.
From the tool's definition Tool name 'start_ssrfmap_handler' indicates starting a handler for SSRFmap, a penetration testing tool that exploits Server-Side Request Forgery (SSRF) vulnerabilities. The server description explicitly mentions this MCP enables 'exploitation' tools.
Documented attack patterns abuse exactly the kind of access start_ssrfmap_handler gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Pentester-MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for start_ssrfmap_handler:
{
"version": "1",
"default": "deny",
"tools": {
"start_ssrfmap_handler": {
"limits": [
{
"counter": "start_ssrfmap_handler_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}start_ssrfmap_handler stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
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start_ssrfmap_handler. It is categorised as a Execute tool in the Pentester-MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Pentester- MCP server in PolicyLayer and add a rule for start_ssrfmap_handler: 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 Pentester-MCP. Nothing to install.
start_ssrfmap_handler is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the start_ssrfmap_handler 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 start_ssrfmap_handler. 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.
start_ssrfmap_handler is provided by the Pentester- MCP server (halilkirazkaya/pentester-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Pentester-MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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337 Pentester-MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.