Seamless.AI MCP API
The Mcp API from Seamless.AI — 1 operation(s) for mcp.
The Mcp API from Seamless.AI — 1 operation(s) for mcp.
Every API here is available over the APIs.io API and to AI agents over MCP.
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openapi: 3.2.0
info:
title: Seamless.AI Server MCP API
version: 1.0.0
x-logo:
url: https://s3.amazonaws.com/seamless.ai-public/logos/logo-full-dark.svg
altText: Seamless logo
href: https://login.seamless.ai
description: Let your AI agents interact with Seamless.AI by using our MCP server.
servers:
- url: https://mcp.seamless.ai
description: Production
security:
- OAuth2:
- mcp.all
- ApiKey: []
tags:
- name: MCP
paths:
/mcp:
post:
operationId: mcp_transport
summary: MCP Transport
description: 'The single transport endpoint for all MCP communication. All tool calls, resource reads, and protocol messages are sent here as JSON-RPC 2.0 requests.
This is a stateless endpoint — each request creates a fresh server instance scoped to the authenticated user.'
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- jsonrpc
- method
- id
properties:
jsonrpc:
type: string
enum:
- '2.0'
description: JSON-RPC version. Always "2.0".
method:
type: string
description: MCP method to invoke (e.g. "tools/list", "tools/call", "resources/read").
example: tools/call
params:
type: object
description: Method-specific parameters. For `tools/call`, includes `name` (tool name) and `arguments` (tool input).
properties:
name:
type: string
description: Tool name (for tools/call).
example: search_contacts
arguments:
type: object
description: Tool input arguments (for tools/call).
additionalProperties: true
id:
oneOf:
- type: string
- type: integer
description: Request ID for correlating responses.
examples:
listTools:
summary: List available tools
value:
jsonrpc: '2.0'
method: tools/list
params: {}
id: 1
callTool:
summary: Call a tool
value:
jsonrpc: '2.0'
method: tools/call
params:
name: search_contacts
arguments:
companyName:
- Acme Corp
seniority:
- VP
- Director
limit: 10
id: 2
readResource:
summary: Read a resource
value:
jsonrpc: '2.0'
method: resources/read
params:
uri: seamless://credits
id: 3
responses:
'200':
description: JSON-RPC 2.0 response with the result or error.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
example: '2.0'
result:
type: object
description: Method-specific result payload.
error:
type: object
description: Error object if the request failed.
properties:
code:
type: integer
message:
type: string
id:
oneOf:
- type: string
- type: integer
examples:
toolResult:
summary: Successful tool call
value:
jsonrpc: '2.0'
result:
content:
- type: text
text: Found 15 contacts matching your search...
id: 2
errorResult:
summary: Error response
value:
jsonrpc: '2.0'
error:
code: -32602
message: 'Invalid params: companyName must be an array'
id: 2
'401':
description: Missing or invalid authentication.
'405':
description: Method not allowed (e.g. DELETE request).
tags:
- MCP
components:
securitySchemes:
OAuth2:
type: oauth2
flows:
authorizationCode:
authorizationUrl: https://mcp.seamless.ai/mcp/authorize
tokenUrl: https://mcp.seamless.ai/mcp/token
scopes:
mcp.all: Full MCP access
ApiKey:
type: apiKey
name: Token
in: header
description: API key passed via the `Token` header.