# Use primitive.dev with your agent.

[primitive.dev](https://primitive.dev/) (`primitive.dev`) registers 2 WebMCP tools. primitive.dev lists 2 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/primitive.dev) listing for `primitive.dev`, last live-checked by the registry at 2026-09-23T03:51:33.328Z. Run `ghostget webmcp sites.get --input '{"domain":"primitive.dev"}' --json` for the current schema; the listing can drift between checks.

## Use primitive.dev 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":"primitive.dev"}' --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

primitive.dev publishes 2 tools on primitive.dev; 0 declare `readOnlyHint`.

| Tool | What it does | Callable through Ghostget |
| --- | --- | --- |
| `primitive_overview` | Explain what Primitive is (email infrastructure for AI agents) and return the machine-readable entry points an agent should use to integrate: MCP endpoint, OpenAPI spec, CLI, llms.txt, and OAuth metadata. | Listed for discovery; the registry allows read-only calls only |
| `primitive_quickstart` | Return the concrete steps for an AI agent to go from zero to sending its first email with Primitive: discover tools, try a no-account demo, then register for a real credential. | 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 primitive.dev changes its tools.
- **No account needed.** These calls are credential-free registry reads. For tools that need a session on primitive.dev, browse the site itself or check back when the registry lists more tools.