> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zap.wzrd.tech/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenCode

> opencode serve driven via HTTP runs on the zap-heavy-opencode named snapshot — also the base of the grok overlay.

OpenCode runs `opencode serve` on port 4096 (private), driven via HTTP runs. It is the base of the `grok` overlay and the `env-omarchy` environment.

| field            | value                                                                |
| ---------------- | -------------------------------------------------------------------- |
| run adapter      | `http-runs`                                                          |
| min weight       | `heavy`                                                              |
| template         | `zap-heavy-opencode` (named snapshot)                                |
| ports            | 4096 (api, private)                                                  |
| pins             | `opencode-ai@0.6.4`                                                  |
| units            | `opencode-serve.service`                                             |
| state dirs       | `~/.config/opencode`, `~/.local/share/opencode`                      |
| MCP config       | `~/.config/opencode/opencode.json` (json)                            |
| LLM auth         | `OPENAI_API_KEY` / `ANTHROPIC_API_KEY` (byok)                        |
| managed gateway  | `provider.zap.options.baseURL` in `~/.config/opencode/opencode.json` |
| disabled inbound | `tui`, `share`                                                       |

## Compose

```ts theme={null}
createRuntime({
  weight: "heavy",
  plugins: [box({ template: "zap-heavy-opencode", size: "large" })],
})
```

## Build and verify

```bash theme={null}
zap harness bake zap-heavy-opencode --live
zap harness doctor zap-heavy-opencode
```