# Use Chainstack with your agent.

[Chainstack](https://chainstack.com/) (`chainstack.com`) registers 6 WebMCP tools. 6 of 6 tools declares `readOnlyHint`, so an agent can invoke them through `tools.call`. The registry runs the tool in a fresh headless page on chainstack.com and returns untrusted site content.

This page mirrors the [WebMCP Registry](https://wmcp.ai/sites/chainstack.com) listing for `chainstack.com`, last live-checked by the registry at 2026-09-21T22:50:25.104Z. Run `ghostget webmcp sites.get --input '{"domain":"chainstack.com"}' --json` for the current schema; the listing can drift between checks.

## Use Chainstack 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":"chainstack.com"}' --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":"chainstack.com","tool":"chainstack.get_contact_options","input":"{}"}' --json
```

## Registered WebMCP tools

Chainstack publishes 6 tools on chainstack.com; 6 declare `readOnlyHint`.

| Tool | What it does | Callable through Ghostget |
| --- | --- | --- |
| `chainstack.get_contact_options` | Return public Chainstack contact, community, and support entry points. | Callable read-only tool |
| `chainstack.get_mcp_servers` | Return public Chainstack MCP server endpoint, discovery, and documentation links. | Callable read-only tool |
| `chainstack.get_pricing_links` | Return public Chainstack pricing and sales contact links. | Callable read-only tool |
| `chainstack.get_site_info` | Return public Chainstack website metadata and key entry points. | Callable read-only tool |
| `chainstack.list_products` | Return public Chainstack product areas with canonical website URLs. | Callable read-only tool |
| `chainstack.search_content` | Search public Chainstack website content and return matching titles, URLs, and content types. | 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 Chainstack changes its tools.
- **No account needed.** These calls are credential-free registry reads. For tools that need a session on chainstack.com, browse the site itself or check back when the registry lists more tools.