Access Toss Securities market, account, and opt-in trading APIs through MCP.
Connect Runs on your machine
claude mcp add toss-invest -e TOSS_CLIENT_ID=<TOSS_CLIENT_ID> -e TOSS_CLIENT_SECRET=<TOSS_CLIENT_SECRET> -- npx -y @nukeguys/[email protected]{
"mcpServers": {
"toss-invest": {
"command": "npx",
"args": [
"-y",
"@nukeguys/[email protected]"
],
"env": {
"TOSS_CLIENT_ID": "<TOSS_CLIENT_ID>",
"TOSS_CLIENT_SECRET": "<TOSS_CLIENT_SECRET>"
}
}
}
}{
"mcpServers": {
"toss-invest": {
"command": "npx",
"args": [
"-y",
"@nukeguys/[email protected]"
],
"env": {
"TOSS_CLIENT_ID": "<TOSS_CLIENT_ID>",
"TOSS_CLIENT_SECRET": "<TOSS_CLIENT_SECRET>"
}
}
}
}{
"servers": {
"toss-invest": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@nukeguys/[email protected]"
],
"env": {
"TOSS_CLIENT_ID": "<TOSS_CLIENT_ID>",
"TOSS_CLIENT_SECRET": "<TOSS_CLIENT_SECRET>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
TOSS_CLIENT_IDRequired, secret | Toss Securities Open API client ID |
TOSS_CLIENT_SECRETRequired, secret | Toss Securities Open API client secret |
Details
| Package | @nukeguys/[email protected] (NPM, stdio) |
| First published | 12 Nov 2026 |
| Last updated | 12 Nov 2026 |
| Registry name | io.github.nukeguys/toss-invest |
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