tcp_proxy_create

Create a TCP proxy to enable external access to services, configure database connections, or expose TCP endpoints on the railway-mcp server. Requires environment ID, service ID, and application port.

Instructions

[API] Create a new TCP proxy for a service

⚡️ Best for: ✓ Setting up database access ✓ Configuring external connections ✓ Exposing TCP services

⚠️ Not for: × HTTP/HTTPS endpoints (use domain_create) × Internal service communication

→ Prerequisites: service_list

→ Alternatives: domain_create

→ Next steps: tcp_proxy_list

→ Related: service_info, service_update

Input Schema

Name	Required	Description
`applicationPort`	Yes	Port of application/service to proxy, usually based off of the service's Dockerfile or designated running port.
`environmentId`	Yes	ID of the environment (usually obtained from service_info)
`serviceId`	Yes	ID of the service

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "applicationPort": {
      "description": "Port of application/service to proxy, usually based off of the service's Dockerfile or designated running port.",
      "type": "number"
    },
    "environmentId": {
      "description": "ID of the environment (usually obtained from service_info)",
      "type": "string"
    },
    "serviceId": {
      "description": "ID of the service",
      "type": "string"
    }
  },
  "required": [
    "environmentId",
    "serviceId",
    "applicationPort"
  ],
  "type": "object"
}

railway-mcp

tcp_proxy_create

Instructions

Input Schema

Input Schema (JSON Schema)

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MCP directory API