generated: '2026-10-07'
method: derived
source: well-known/s1-dev-mcp-server-card.json tools[] bound by name to openapi/s1-dev-openapi.yml operationIds; https://s1.dev/docs/integrations/mcp
description: Binding of each Search1API MCP tool to the REST operation that backs it. The provider documents that
  the hosted MCP server, CLI, SDKs and REST API share one account, billing and limits, and every tool name equals
  an OpenAPI operationId.
surfaces:
  openapi: openapi/s1-dev-openapi.yml
  mcp:
    url: https://mcp.search1api.com/mcp
    gated: true
    note: tools/list requires OAuth or an API key (401 anonymously); tool list taken from the published server card
  graphql: null
crosswalk:
- tool: search
  category: search
  rest:
  - search
  binding: POST /search (operationId search)
  confidence: high
  note: Tool input properties in the server card are a subset of the OpenAPI request schema for the same path.
- tool: news
  category: search
  rest:
  - news
  binding: POST /news (operationId news)
  confidence: high
  note: Tool input properties in the server card are a subset of the OpenAPI request schema for the same path.
- tool: crawl
  category: retrieval
  rest:
  - crawl
  binding: POST /crawl (operationId crawl)
  confidence: high
  note: Tool input properties in the server card are a subset of the OpenAPI request schema for the same path.
- tool: sitemap
  category: retrieval
  rest:
  - sitemap
  binding: POST /sitemap (operationId sitemap)
  confidence: high
  note: Tool input properties in the server card are a subset of the OpenAPI request schema for the same path.
- tool: trending
  category: discovery
  rest:
  - trending
  binding: POST /trending (operationId trending)
  confidence: high
  note: Tool input properties in the server card are a subset of the OpenAPI request schema for the same path.
mcp_only:
- tool: search_posts
  reason: Served by the separate Search1API Blog MCP server at https://blog.s1.dev/mcp; reads blog content, no REST
    operation in the API contract.
- tool: list_posts
  reason: Served by the separate Search1API Blog MCP server at https://blog.s1.dev/mcp; reads blog content, no REST
    operation in the API contract.
- tool: get_post
  reason: Served by the separate Search1API Blog MCP server at https://blog.s1.dev/mcp; reads blog content, no REST
    operation in the API contract.
- tool: list_tags
  reason: Served by the separate Search1API Blog MCP server at https://blog.s1.dev/mcp; reads blog content, no REST
    operation in the API contract.
rest_only:
- operationId: ask
  reason: Agentic search added 2026-10-06; not yet an MCP tool
- operationId: screenshot
  reason: Binary image response; not exposed as a tool
- operationId: extract
  reason: Beta structured extraction; not exposed
- operationId: deepcrawl
  reason: Asynchronous task start; not exposed
- operationId: deepcrawlStatus
  reason: Task polling; not exposed
- operationId: feedback
  reason: Feedback submission; not exposed
- operationId: health
  reason: Unauthenticated health check
- operationId: usage
  reason: Credit balance; CLI exposes it as s1 balance
coverage:
  mcp_tools: 5
  mapped: 5
  mcp_only: 4
  rest_operations: 13
  rest_only: 8