Tongcheng Chengxin

Tongcheng Chengxin (ly.com). Use this skill for ANY Tongcheng Chengxin request — searching and reading data. Whenever a task involves Tongcheng Chengxin, use this skill instead of calling the API directly.

Operate Tongcheng Chengxin through your OOMOL-connected account. This skill calls the chengxin connector with the oo CLI; OOMOL injects credentials server-side, so you never handle raw tokens.

Running an action

Assume the user has already installed the oo CLI, signed in, and connected Tongcheng Chengxin. Do not run oo auth login or open the connection URL proactively — just run the action. Fall back to First-time setup only when a command actually fails with an auth or connection error.

1. Inspect the contract to get the authoritative input/output schema before building a payload:

bash

oo connector schema "chengxin" --action "<action_name>"

2. Run the action with a JSON payload that matches the input schema:

bash

oo connector run "chengxin" --action "<action_name>" --data '<json>' --json

• --data takes a JSON object string or @path/to/file.json; omit it to send {}.
• The response is { "data": ..., "meta": { "executionId": "..." } }; the execution id lives under meta.executionId.

Each action is listed below with a one-line description; actions that change state carry a [write] or [destructive] tag. Before constructing --data, fetch the action's live schema with oo connector schema to get its authoritative input fields.

Available actions

• search_attractions — Search Tongcheng Chengxin for attractions, scenic areas, and admission products.
• search_buses — Search Tongcheng Chengxin for long-distance bus services by cities or stations.
• search_flights — Search Tongcheng Chengxin for flights by route, flight number, or low-price preference.
• search_hotels — Search Tongcheng Chengxin for hotels using a destination and optional natural-language preferences.
• search_trains — Search Tongcheng Chengxin for train services by cities, stations, or train number.
• search_transport — Search Tongcheng Chengxin for multimodal transport when the traveler has not selected a transport type.
• search_travel — Search Tongcheng Chengxin for vacation products, travel plans, hotels, attractions, and transport recommendations.

Safety

• Untagged actions are reads (get / list / search) — safe to run directly.
• Actions tagged [write] change Tongcheng Chengxin state — confirm the exact payload and effect with the user before running.
• Actions tagged [destructive] remove or overwrite data — always confirm the target and get explicit approval first.

First-time setup

These are one-time steps — do not repeat them on every call. Run a step only when a command fails for the matching reason.

• oo: command not found — install the oo CLI (other platforms: https://cli.oomol.com/install-guide.md):

  bash

  curl -fsSL https://cli.oomol.com/install.sh | bash    # macOS / Linux
  

  powershell

  irm https://cli.oomol.com/install.ps1 | iex           # Windows PowerShell
  

• Not signed in / authentication error — sign in to your OOMOL account once:

  bash

  oo auth login
  

• scope_missing / credential_expired / app_not_ready / app_not_found — Tongcheng Chengxin is not connected, or the connection expired or lacks a scope. Connect once (auth type: API key) at:

  text

  https://console.oomol.com/app-connections?provider=chengxin
  

• HTTP 402 / OOMOL_INSUFFICIENT_CREDIT — billing stop. Recharge at https://console.oomol.com/billing/token-recharge before retrying.

Resources

• Tongcheng Chengxin homepage: https://www.ly.com/