Longbridge

Overview

Longbridge is the official skill collection for Longbridge Securities, covering 125+ agent skills across real-time market data, chart analysis, company fundamentals, portfolio management, options, sector screening, and more. Supports HK, US, A-share (SH/SZ), and SG markets. All skills are trilingual (Simplified Chinese / Traditional Chinese / English).

Source repository: github.com/longbridge/skills (~840 stars, MIT)

When to Use This Skill

Use when the user asks about stock prices, charts, or market data for HK/US/A-share/SG markets
Use when the user wants company fundamentals, earnings, or analyst ratings
Use when the user asks about their portfolio, positions, or account P&L via Longbridge
Use when the user wants options analysis, sector rankings, capital flow, or news
Use when the user asks in Chinese (Simplified or Traditional) or English about any securities topic

How It Works

Step 1: Discover the Right Subcommand

longbridge --help

List all available subcommands. Never hard-code subcommand names — the CLI evolves.

Step 2: Check Subcommand Options

longbridge <subcommand> --help

Confirm flags and output format before calling.

Step 3: Call with JSON Output

longbridge <subcommand> --format json

Parse the structured output and render in the user's language (detect from input).

Authentication

longbridge auth login          # Basic market data (read-only)
longbridge auth login --trade  # Portfolio and account features

Install

# Claude Code plugin marketplace
/plugin marketplace add longbridge/skills

# Or via npx
npx skills add https://github.com/longbridge/skills

MCP Fallback

If the longbridge CLI binary is not installed, fall back to MCP tools. Inspect available MCP tools at runtime — do not hard-code MCP tool names as they change with server versions.

Limitations

Portfolio and account features require login with Trade scope.
Real-time data is subject to Longbridge data subscription (delayed data available without subscription).
Crypto symbols use .HAS suffix on the Longbridge platform.
This skill does not place orders — read-only by default unless using the account write scope.

Security & Safety Notes

All market data queries are read-only (no side effects).
Watchlist mutations and order-related features follow a preview + confirm two-step protocol.
Credentials are handled by the Longbridge auth system; this skill does not store or transmit tokens.

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