---
name: cercano-config
description: Use when the user wants to check or change Cercano's runtime configuration — switch the local runtime or model, change the Ollama endpoint URL, or change the cloud provider and model. No server restart needed.
compatibility: Requires Cercano server running.
---

# Cercano Config

Query or update Cercano's runtime configuration.

## MCP Tool

**Tool name:** `cercano_config`

## Parameters

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `action` | string | Yes | `"get"` to list available local models, `"set"` to update config. |
| `local_runtime` | string | No | Local runtime to use for generation: `"ollama"` or `"llama_server"`. |
| `local_model` | string | No | Local model name to set (e.g. `"qwen2.5-coder:32b"`). |
| `cloud_provider` | string | No | Cloud provider to set: `"google"` or `"anthropic"`. |
| `cloud_model` | string | No | Cloud model to set (e.g. `"claude-sonnet-4-20250514"`). |
| `ollama_url` | string | No | Ollama endpoint URL (e.g. `"http://mac-studio.local:11434"`). |

## Examples

**Switch local model:**
```json
{
  "action": "set",
  "local_model": "qwen2.5-coder:32b"
}
```

**Switch local runtime:**
```json
{
  "action": "set",
  "local_runtime": "llama_server"
}
```

**Point to a different Ollama instance:**
```json
{
  "action": "set",
  "ollama_url": "http://mac-studio.local:11434"
}
```

**Switch cloud provider:**
```json
{
  "action": "set",
  "cloud_provider": "anthropic",
  "cloud_model": "claude-sonnet-4-20250514"
}
```