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Toss Invest Sdk MCP Server

by Wi9ine
Developer ToolsLow Risk9.7MCP RegistryLocal
Free

Server data from the Official MCP Registry

Access Toss Securities market, account, and opt-in trading APIs through MCP.

About

Access Toss Securities market, account, and opt-in trading APIs through MCP.

Security Report

9.7
Low Risk9.7Low Risk

Valid MCP server (2 strong, 3 medium validity signals). No known CVEs in dependencies. ⚠️ Package registry links to a different repository than scanned source. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.

10 files analyzed · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

Toss Securities Open API client IDRequired

Environment variable: TOSS_CLIENT_ID

Toss Securities Open API client secretRequired

Environment variable: TOSS_CLIENT_SECRET

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-wi9ine-toss-invest": {
      "env": {
        "TOSS_CLIENT_ID": "your-toss-client-id-here",
        "TOSS_CLIENT_SECRET": "your-toss-client-secret-here"
      },
      "args": [
        "-y",
        "@wi9ine/toss-invest-mcp"
      ],
      "command": "npx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

Toss Securities Open API

Unofficial community project. This project is not affiliated with or endorsed by Toss Securities.

pnpm workspace for a TypeScript SDK and a local MCP server for the Toss Securities Open API. The MCP server is read-only unless trading is explicitly enabled.

Packages

  • packages/sdk: TypeScript SDK with automatic access-token caching and refresh
  • apps/mcp: local MCP server built on the SDK, with opt-in trading permissions

Requirements

  • Node.js 22.18 or later
  • pnpm

Setup

pnpm install
cp .env.example .env

Set TOSS_CLIENT_ID and TOSS_CLIENT_SECRET in .env, then run:

pnpm check
pnpm test
pnpm test:live

The live test only performs read operations, and the MCP server defaults to read-only. See the SDK guide and MCP setup guide for usage details.

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