Toss Invest README | AllMCPs

Toss Invest README

The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the Toss Invest listing page.

Back to Toss Invest View source on GitHub

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.