echo.compliance.air_facilities
Search facilities regulated under the Clean Air Act (CAA) by ZIP code or facility name. Returns facility name, address, coordinates, CAA permit types and status, quarters of noncompliance, inspection count, and High Priority Violation (HPV) flag. Ideal for air quality compliance monitoring, permi...
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What echo.compliance.air_facilities does on Apibase
AI agents call echo.compliance.air_facilities to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | integer | — | Maximum number of facilities to return (1–50). Default 10. |
state | string | — | Two-letter US state code to narrow results (e.g. "TX", "OH"). Required when using facility_name without zip_code. |
zip_code | string | — | US ZIP code to search within (e.g. "77002"). Recommended for precise results. Provide either zip_code or facility_name. |
facility_name | string | — | Partial or full facility name to search for (e.g. "Exxon"). Use with state for best results. |
Parameters from the server's own tool schema.
Why echo.compliance.air_facilities is rated Low
Tool queries public EPA compliance data without modifying or executing operations; pure information retrieval.
From the tool's definition Search facilities, Returns facility name, address, coordinates, CAA permit types and status
Attacks that exploit this kind of access
The rule that runs echo.compliance.air_facilities safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For echo.compliance.air_facilities, this is the rule to start with:
echo.compliance.air_facilities is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every echo.compliance.air_facilities call is checked against it from then on.
Questions about echo.compliance.air_facilities
Search facilities regulated under the Clean Air Act (CAA) by ZIP code or facility name. Returns facility name, address, coordinates, CAA permit types and status, quarters of noncompliance, inspection count, and High Priority Violation (HPV) flag. Ideal for air quality compliance monitoring, permit research, and environmental due diligence. Use zip_code for location search or facility_name with state for targeted search. Source: EPA ECHO Air program data — US Gov public domain, no auth required. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
echo.compliance.air_facilities accepts 4 parameters: limit, state, zip_code, facility_name. The full parameter table on this page comes from the server's own tool schema.
Register the Apibase MCP server in PolicyLayer and add a rule for echo.compliance.air_facilities: 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 Apibase. Nothing to install.
echo.compliance.air_facilities 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 echo.compliance.air_facilities 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 echo.compliance.air_facilities. 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.
echo.compliance.air_facilities is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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