Fema Nfhl

liveReference

FEMA National Flood Hazard Layer (NFHL) MCP

3tools
0msauth
free tier50 calls/day

Tools

nfhl_flood_zone_at_point

Returns the effective FEMA FIRM flood zone at a coordinate — zone code, subtype, Special Flood Hazard Area flag and base elevation.

No parameters required.

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nfhl_query

Query any layer of the FEMA National Flood Hazard Layer with an ArcGIS WHERE clause and optional bounding box — flood hazard zones, base flood elevations, floodways, LOMRs and LOMAs, FIRM panels with

No parameters required.

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nfhl_layers

List every layer in the FEMA National Flood Hazard Layer MapServer with its id, name and geometry type, plus a plain-English guide to the layers that matter (flood hazard zones, base flood elevations,

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/fema-nfhl/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/fema-nfhl/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"nfhl_flood_zone_at_point","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("nfhl_flood_zone_at_point", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("fema national flood hazard layer (nfhl) mcp");