> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vin.gs/llms.txt
> Use this file to discover all available pages before exploring further.

# Get mcp

> MCP requires JSON-RPC POST requests



## OpenAPI

````yaml https://external.vin.gs/api/openapi.json get /mcp
openapi: 3.1.0
info:
  title: Vings External API
  version: 0.1.0
  description: Readonly external API for authenticated Vings financial data.
servers:
  - url: https://external.vin.gs/api
    description: Production
security: []
tags:
  - name: Transactions
    description: Transaction search and recurring payments
  - name: Cashflow
    description: Cashflow summaries
  - name: Spending
    description: Spending aggregates and merchants
  - name: Budgets
    description: Budget categories and summaries
  - name: Banks
    description: Connected bank status
  - name: Portfolio
    description: Portfolio snapshots and history
  - name: Preferences
    description: User preferences
  - name: OAuth
    description: OAuth protected-resource metadata (RFC 9728)
  - name: Health
    description: Liveness and readiness
  - name: User
    description: Authenticated user
  - name: MCP
    description: Model Context Protocol JSON-RPC transport
paths:
  /mcp:
    get:
      tags:
        - MCP
      description: MCP requires JSON-RPC POST requests
      responses:
        '405':
          description: Method not allowed — use POST with a JSON-RPC body
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              example: UNAUTHORIZED
            message:
              type: string
              example: Missing bearer token
            details:
              nullable: true
            requestId:
              type: string
          required:
            - code
            - message
      required:
        - error

````