Searches for ISPs by holding company name, filtered by state and technology type. Returns a deduplicated list of matching providers with hoconum identifiers for follow-up calls to fcc_get_provider. Answers "which ISPs serve Washington with fiber?" and "find all Comcast entities." Geographic filte...
Part of the Fcc Broadband Mcp Server server.
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AI agents call fcc_search_providers to retrieve information from Fcc Broadband Mcp Server 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 fcc_search_providers 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": {
"fcc_search_providers": {}
}
}See the full Fcc Broadband Mcp Server policy for all 9 tools.
These attack patterns abuse exactly the kind of access fcc_search_providers 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.
Searches for ISPs by holding company name, filtered by state and technology type. Returns a deduplicated list of matching providers with hoconum identifiers for follow-up calls to fcc_get_provider. Answers "which ISPs serve Washington with fiber?" and "find all Comcast entities." Geographic filtering is state-level; sub-state granularity requires cross-referencing block data. Data is from FCC Form 477 (as of June 2021).. It is categorised as a Read tool in the Fcc Broadband Mcp Server MCP Server, which means it retrieves data without modifying state.
Register the Fcc Broadband Mcp Server MCP server in PolicyLayer and add a rule for fcc_search_providers: 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 Fcc Broadband Mcp Server. Nothing to install.
fcc_search_providers 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 fcc_search_providers 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 fcc_search_providers. 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.
fcc_search_providers is provided by the Fcc Broadband Mcp Server MCP server (@cyanheads/fcc-broadband-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 9 Fcc Broadband Mcp Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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