Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
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This API
curl "https://apis.io/api/v1/apis/coldstate-ai:coldstate-ai-mcp-api"
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OpenAPI Specification
openapi: 3.2.0
info:
title: Coldstate Ai MCP API
version: 0.1.0
contact:
name: ColdState
url: https://services.coldstate.ai
email: daniel@coldstate.ai
termsOfService: https://services.coldstate.ai/terms
description: 'Operations tagged MCP across 2 of this provider''s published API definitions: coldstate-ai-openapi.json, coldstate-ai-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://cold-api.coldstate.ai
security:
- bearerAuth: []
tags:
- name: MCP
description: Model Context Protocol endpoint
paths:
/mcp:
post:
tags:
- MCP
summary: MCP Streamable HTTP endpoint (JSON-RPC 2.0)
description: 'Stateless Model Context Protocol server. Send `Accept: application/json, text/event-stream`. `initialize` and `tools/list` need no key; `tools/call` forwards your bearer key to the corresponding /v1 route so auth, limits and metering are per customer.'
responses:
'200':
description: JSON-RPC response (JSON or SSE)
'401':
description: Tool call without a valid API key
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
operationId: postMcp
x-operation-id-source: derived
servers:
- url: https://cold-api.coldstate.ai
components:
schemas:
Error:
type: object
properties:
error:
type: string
message:
type: string
statusCode:
type: integer
required:
- error
- message
- statusCode
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: API key `cs_live_…` (or dashboard session `cs_sess_…`)
externalDocs:
description: Human-readable API reference
url: https://services.coldstate.ai/docs
x-refined-from:
- coldstate-ai-openapi.json
- coldstate-ai-openapi.yml