# Use OnFinality with your agent.

[OnFinality](https://onfinality.io/) (`onfinality.io`) registers 3 WebMCP tools. 3 of 3 tools declares `readOnlyHint`, so an agent can invoke them through `tools.call`. The registry runs the tool in a fresh headless page on onfinality.io and returns untrusted site content.

This page mirrors the [WebMCP Registry](https://wmcp.ai/sites/onfinality.io) listing for `onfinality.io`, last live-checked by the registry at 2026-09-21T22:27:19.462Z. Run `ghostget webmcp sites.get --input '{"domain":"onfinality.io"}' --json` for the current schema; the listing can drift between checks.

## Use OnFinality 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":"onfinality.io"}' --json
```

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

```
ghostget webmcp tools.call --input '{"domain":"onfinality.io","tool":"onfinality-compare-rpc-provider","input":"{}"}' --json
```

## Registered WebMCP tools

OnFinality publishes 3 tools on onfinality.io; 3 declare `readOnlyHint`.

| Tool | What it does | Callable through Ghostget |
| --- | --- | --- |
| `onfinality-compare-rpc-provider` | Open the official OnFinality RPC provider comparison page for a provider slug so an agent can review supported chains, pricing, limits, reliability, and infrastructure differences. | Callable read-only tool |
| `onfinality-find-network` | Find the official OnFinality network detail page and public network metadata URL for a requested blockchain network key. Confirm current availability on the linked page before using an endpoint. | Callable read-only tool |
| `onfinality-list-resources` | Return the official OnFinality pages and machine-readable catalogs for RPC APIs, supported networks, pricing, dedicated nodes, technical guides, and AI support. | Callable read-only tool |

## 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 OnFinality changes its tools.
- **No account needed.** These calls are credential-free registry reads. For tools that need a session on onfinality.io, browse the site itself or check back when the registry lists more tools.