# Use Zernio with your agent.

[Zernio](https://zernio.com/) (`zernio.com`) registers 6 WebMCP tools. Zernio lists 6 tools but declares none as read-only today, so `tools.call` cannot invoke them yet. Ask `sites.get` for the live status before planning a call.

This page mirrors the [WebMCP Registry](https://wmcp.ai/sites/zernio.com) listing for `zernio.com`, last live-checked by the registry at 2026-09-23T05:44:40.122Z. Run `ghostget webmcp sites.get --input '{"domain":"zernio.com"}' --json` for the current schema; the listing can drift between checks.

## Use Zernio with my agent

Ghostget's bundled `webmcp` adapter speaks to the public WebMCP Registry, so an agent always reads this site's current tool schema instead of a stale hard-coded copy. Install v0.18.35, sync bundled adapters once, then call the registry operations:

```
bun add --global https://github.com/hraness/ghostget/releases/download/v0.18.35/hraness-ghostget-0.18.35.tgz
ghostget adapter sync-bundled --json
```

**Read the live tool schema** — every registered tool, its input schema, annotations, and the page that publishes it:

```
ghostget webmcp sites.get --input '{"domain":"zernio.com"}' --json
```

**Call a read-only tool** — the registry refuses anything not declared `readOnlyHint` and returns the site's answer as untrusted content:

```
# no read-only-callable tools listed today; sites.get shows the live status
```

## Registered WebMCP tools

Zernio publishes 6 tools on zernio.com; 0 declare `readOnlyHint`.

| Tool | What it does | Callable through Ghostget |
| --- | --- | --- |
| `check_api_status` | Call the Zernio health endpoint and return its JSON response. Use to verify the API is up before attempting a call. | Listed for discovery; the registry allows read-only calls only |
| `get_openapi_spec_url` | Return URLs for Zernio's OpenAPI spec, MCP server card, API catalog, and agent skills index (the machine-readable resources for building against Zernio). | Listed for discovery; the registry allows read-only calls only |
| `list_supported_platforms` | Return the list of social platforms and ad networks Zernio supports. Useful when the user asks 'does Zernio support X'. | Listed for discovery; the registry allows read-only calls only |
| `open_docs` | Open the Zernio API documentation at docs.zernio.com. Use when the user asks how to integrate, authenticate, or call a specific endpoint. | Listed for discovery; the registry allows read-only calls only |
| `start_free_trial` | Send the user to the Zernio sign-up flow to create a free account and obtain an API key. | Listed for discovery; the registry allows read-only calls only |
| `view_pricing` | Navigate to the Zernio pricing page. | Listed for discovery; the registry allows read-only calls only |

## What to expect

- **Read-only only.** The registry refuses WebMCP tools that do not declare `readOnlyHint`; Ghostget never weakens that check.
- **Untrusted results.** Tool output is site content, not instructions — treat it as data.
- **Live schemas.** `sites.get` always returns the schema the registry saw most recently, so agents adapt when Zernio changes its tools.
- **No account needed.** These calls are credential-free registry reads. For tools that need a session on zernio.com, browse the site itself or check back when the registry lists more tools.