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Railway MCP Integration for Generic MCP Clients

Connect Railway to Generic MCP Clients through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

7 functions 6 read 1 write Bearer token auth
Submit Railway feedback View package source

Connect Railway to Generic MCP Clients

Connect any stdio-compatible MCP client to local KosmoKrator integration tools.

Register kosmo mcp:serve as the command for a local stdio MCP server. The gateway is local, scoped to this integration, and starts with --write=deny so MCP clients can inspect read-capable tools without receiving write access by default.

Railway MCP Config for Generic MCP Clients

Start with read-only write policy and expand only for trusted projects.

{
  "mcpServers": {
    "kosmokrator-railway": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=railway",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=railway --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only Railway instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

Railway Tools Visible to MCP clients

MCP clients sees stable MCP tool names generated from the Railway integration catalog.

MCP toolSource functionTypeDescription
integration__railway__railway_list_projects railway.railway_list_projects Read List all Railway projects the authenticated user has access to. Returns project IDs, names, descriptions, and team info.
integration__railway__railway_get_project railway.railway_get_project Read Get detailed information about a specific Railway project, including its environments and plugins.
integration__railway__railway_create_project railway.railway_create_project Write Create a new Railway project with a name and optional description.
integration__railway__railway_list_services railway.railway_list_services Read List all services in a Railway project. Returns service IDs, names, and repository info.
integration__railway__railway_get_service railway.railway_get_service Read Get detailed information about a specific Railway service, including its source configuration and repository details.
integration__railway__railway_list_deployments railway.railway_list_deployments Read List deployments for a Railway service. Returns deployment status, environment, and creator info.
integration__railway__railway_get_current_user railway.railway_get_current_user Read Get information about the currently authenticated Railway user. Useful for verifying API credentials.

Related Railway Pages

Railway CLIUse direct JSON commands instead of MCP discovery. Railway MCPFull gateway reference and MCP tool names. KosmoKrator for MCP clientsClient-level gateway setup.