# subs MCP server

> An agent harness that runs unprivileged agent loops using MCP servers for tool execution, supporting local, remote, and team deployments.

- Repository: https://github.com/substructureai/subs
- Page: https://hostedmcp.org/servers/substructureai/subs
- Transport: —
- Stars: 13
- License: MIT

## Environment variables

| Name | Required | Secret | Description |
|---|---|---|---|
| `OPENROUTER_API_KEY` | no | no |  |

## FAQ

### Can I run the agent in Slack?

Yes, you can put the agent in Slack by specifying which agent handles DMs and mentions in your configuration file.

### How does subs handle tool execution?

It uses MCP servers for tools and can handle authorization, tool reading, and execution automatically.

### Can I use my own LLM provider?

Yes, the engine can call Anthropic, OpenAI, or OpenRouter using your provided API keys.