{
  "slug": "railway-mcp-proxy-bridges-stdio-to-the-remote-mcp-server-using-cli-login-cb6372c133b8",
  "title": "railway mcp proxy bridges stdio to the remote MCP server using CLI login",
  "tools": [
    "railway"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-07-27T23:56:22.000Z",
  "announced_at": "2026-07-27T23:56:22.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When the repository workflow already has a stored `railway login`, run `railway mcp proxy` to connect the editor over stdio to Railway’s remote MCP server using CLI authentication.",
    "examples": [
      "railway mcp proxy"
    ],
    "gotchas": [
      "Version: v5.30.0",
      "Prerequisite: Requires Railway CLI authentication from `railway login`.",
      "Requires an existing stored `railway login`.",
      "Token freshness uses `ensure_valid_token`, the same lockfile-serialized refresh used by the rest of the CLI.",
      "Docs conflict: Current Railway docs say `proxy` behaves like bare `railway mcp`; on CLI versions before 5.44.0, bare `railway mcp` starts the in-process server. This differs from the v5.30.0 proxy behavior described by the release note. https://docs.railway.com/cli/mcp"
    ]
  },
  "why_it_matters": "Connect an MCP-capable editor to Railway’s remote MCP server when the repository workflow already uses `railway login`.",
  "before": "The editor connected directly to `mcp.railway.com` and used its OAuth flow.",
  "sources": [
    "https://github.com/railwayapp/cli/releases/tag/v5.30.0",
    "https://github.com/railwayapp/cli/pull/1026",
    "https://docs.railway.com/cli/mcp"
  ],
  "rank": 0.97037,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v2+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "wave1b-20261016",
    "verdict_id": "wave1b-20261016:wave1b-20261016-bd17195482826e18-0:gate",
    "evidence_hash": "ce3f5f765541d572b5645764ccb4f7fa0097855cedb72e5523b5bd8e4e040167"
  },
  "review": {
    "draft_hash": "87218d71f2f4093d5a8c8db24fe57d6468639263ead74a5b2315170fb52b69df",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "wave1b-20261016:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.97 >= 0.9; 2 needed) and Jev gave 0.71 (>= 0.6 needed)."
  }
}