[cost: free (pure CPU, no network) | read-only] Heuristic-only sibling of detect_sip_stack, scoped to vendor configs. Returns the matched vendor slug, a confidence level, and the structural signals that fired (loadmodule syntax, route blocks, profile elements, etc.). Use this when the user asks '...
Part of the SIPFlow server.
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AI agents call detect_sip_vendor_from_config to retrieve information from SIPFlow without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though detect_sip_vendor_from_config only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"detect_sip_vendor_from_config": {}
}
}See the full SIPFlow policy for all 21 tools.
These attack patterns abuse exactly the kind of access detect_sip_vendor_from_config gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
[cost: free (pure CPU, no network) | read-only] Heuristic-only sibling of detect_sip_stack, scoped to vendor configs. Returns the matched vendor slug, a confidence level, and the structural signals that fired (loadmodule syntax, route blocks, profile elements, etc.). Use this when the user asks 'what is this config?' or attaches a SIP config file. Detect-only - does not extract directives or flag risks. Pair with: review_sip_config for the structured outline + risk flags; search_sip_docs(vendor=<slug>, ...) to ground each directive.. It is categorised as a Read tool in the SIPFlow MCP Server, which means it retrieves data without modifying state.
Register the SIPFlow MCP server in PolicyLayer and add a rule for detect_sip_vendor_from_config: 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 SIPFlow. Nothing to install.
detect_sip_vendor_from_config 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 detect_sip_vendor_from_config 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 detect_sip_vendor_from_config. 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.
detect_sip_vendor_from_config is provided by the SIPFlow MCP server (sipflow/sipflow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 SIPFlow tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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