generated: '2026-09-10'
method: searched
status: published
source: https://docs.firststreet.org/api/mcp/getting-started
description: 'First Street publishes a hosted, remote MCP server that exposes the Climate Risk API (property-level
  physical climate risk: flood, wildfire, wind, heat, cold, drought) to agents over Streamable HTTP. The
  docs page names the endpoint and the tool set; the live server answered an anonymous tools/list with
  the real inputSchema for every tool.'
deployment:
  mode: remote
  endpoint: https://mcp.firststreet.org/mcp
  install: null
  package: null
  auth: api-key
  verified: probed
  probe_prior: (never probed)
  probe: live
  probe_why: live
  checked: '2026-09-11'
  source: claimed-backlog re-probe 2026-09-11
server:
  name: firststreet
  transport: http
  transport_note: 'Docs say "Streamable HTTP transports"; the endpoint answered a JSON-RPC POST with Accept:
    application/json, text/event-stream and replied as text/event-stream.'
  url: https://mcp.firststreet.org/mcp
  auth:
    scheme: bearer
    header: Authorization
    value: Bearer <your-api-key>
    note: Same API key as the REST/GraphQL surface. Access is gated by the same contractual entitlement
      as the Climate Risk API — "All API users with access to the Climate Risk API is able utilize First
      Street's MCP Service."
  client_config: "{\n  \"mcpServers\": {\n    \"firststreet\": {\n      \"transport\": \"http\",\n   \
    \   \"url\": \"https://mcp.firststreet.org/mcp\",\n      \"headers\": { \"Authorization\": \"Bearer\
    \ <your-token>\" }\n    }\n  }\n}\n"
x-evidence:
  fetched: '2026-09-10'
  tools_list:
    url: https://mcp.firststreet.org/mcp
    method: POST
    body: '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
    http_status: 200
    content_type: text/event-stream
    authenticated: false
    note: tools/list is ANONYMOUS on this server — no API key was sent and the full tool manifest with
      inputSchema came back. Tool INVOCATION still requires the key.
    file: first-street-mcp-tools.json
  docs:
    url: https://docs.firststreet.org/api/mcp/getting-started
    http_status: 200
  status_page_component: '"MCP Server" is a first-class monitored component on https://status.firststreet.org/'
coverage:
  apis_exposed:
  - First Street Climate Risk API (v3 GraphQL)
  apis_not_exposed:
  - First Street Enterprise API — docs state expansion is planned, "in the near future"
  - First Street Raster Map API — no tile tool is exposed
  tool_count: 10
tools:
- name: get_place_by_address
  description: Look up a property by street address. Returns climate risk data including flood, wildfire,
    wind, heat, cold, and drought factors.
  required:
  - address
  parameters:
  - address
  - lat
  - lng
  - building
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.placeByAddress
- name: get_place_by_coordinate
  description: Look up a property by latitude/longitude. Returns the same climate risk data as address
    lookup.
  required:
  - lat
  - lng
  parameters:
  - lat
  - lng
  - building
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.placeByCoordinate
- name: get_place_by_id
  description: Look up a property by its First Street Place ID. Returns climate risk data plus building
    details, location geometry, and adaptations.
  required:
  - placeId
  parameters:
  - placeId
  - building
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.place
- name: find_buildings
  description: Find buildings within a geographic area defined by a GeoJSON polygon. Returns building
    locations, asset types, and Place IDs. Area must not exceed 9 km2.
  required:
  - area
  parameters:
  - area
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.geospatial
- name: get_adaptations
  description: Get climate adaptation recommendations and cost-benefit analysis for a property — flood
    barriers, fire-proofing, defensible space, roof upgrades, wind design improvements, with payback periods.
  required:
  - placeId
  - holdPeriod
  - ssp
  parameters:
  - placeId
  - holdPeriod
  - ssp
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.adaptations
- name: search_localities
  description: Search and paginate localities with macroeconomic data. Filter by administrative level
    and sort by GDP, population, property price indices.
  required:
  - adminLevel
  parameters:
  - adminLevel
  - search
  - ssp
  - first
  - after
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.localitiesByMacroeconomicConnection
- name: get_locality
  description: Look up a specific locality by ID. Returns macroeconomic indicators and bounding box.
  required:
  - localityId
  parameters:
  - localityId
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.locality
- name: get_asset_types
  description: List all supported asset type IDs with human-readable descriptions.
  required: []
  parameters: []
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.assetTypes
- name: get_metadata
  description: Get API metadata including available data vintages, industry classifications, and sector
    classifications.
  required: []
  parameters: []
  source_operation: graphql/first-street-climate-risk-api.graphql#Query.metadataLookup
- name: execute_graphql
  description: Execute an arbitrary GraphQL query against the First Street v3 API. Escape hatch for complex
    or custom queries not covered by the other tools.
  required:
  - query
  parameters:
  - query
  - variables
  source_operation: openapi/first-street-graphql-api-openapi.yml#climateRiskGraphql
enums:
  ssp:
  - value: SSP_1_26
    label: Optimistic
    description: Low emissions
    sustainable development: null
  - value: SSP_2_45
    label: Moderate
    description: Middle-of-the-road scenario
  - value: SSP_5_85
    label: Pessimistic
    description: High emissions
    fossil-fuel driven: null
  adminLevel:
  - ADMIN_0
  - ADMIN_1
  - ADMIN_2
  - METRO
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com