# Use Pyrra by Felix Hans with your agent.

[Pyrra by Felix Hans](https://pyrra.net/) (`pyrra.net`) registers 4 WebMCP tools. Pyrra by Felix Hans lists 4 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/pyrra.net) listing for `pyrra.net`, last live-checked by the registry at 2026-09-23T04:21:12.133Z. Run `ghostget webmcp sites.get --input '{"domain":"pyrra.net"}' --json` for the current schema; the listing can drift between checks.

## Use Pyrra by Felix Hans 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":"pyrra.net"}' --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

Pyrra by Felix Hans publishes 4 tools on pyrra.net; 0 declare `readOnlyHint`.

| Tool | What it does | Callable through Ghostget |
| --- | --- | --- |
| `get-blog-post` | Get the complete source Markdown of one Pyrra article. First call list-blog-posts to find a post, then pass the final filename segment without .html, for example "vereinswebsite-erstellen". Returns frontmatter and full text for accurate ans | Listed for discovery; the registry allows read-only calls only |
| `get-site-context` | Get authoritative Markdown context about Pyrra and Felix Hans. Use concise mode for site facts and URL discovery; use full mode only when the complete article corpus is needed. | Listed for discovery; the registry allows read-only calls only |
| `list-blog-posts` | List all writing published on pyrra.net — nonprofit website guides plus the clearly separated engineering and security notes in Felix’ Lab. Returns title, URL, publication date, category and summary as JSON. | Listed for discovery; the registry allows read-only calls only |
| `send-contact-message` | Send a message to Felix Hans (Pyrra web studio) by email — a project inquiry, a question about the BFSG accessibility check, a security disclosure or general contact. Felix replies to the provided email address. Only send after the user has | 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 Pyrra by Felix Hans changes its tools.
- **No account needed.** These calls are credential-free registry reads. For tools that need a session on pyrra.net, browse the site itself or check back when the registry lists more tools.