# AgentShelf CSS Pre-text Extractor

> AgentShelf CSS Pre-text Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.009/call, status unknown (last checked 2026-10-23).

Extracts the pre-formatted text content from a public web page or raw HTML using CSS pre selectors, with SSRF protection

## Facts

- Endpoint: POST https://agentshelf.syntexa.ch/v1/css-pre?utm_source=zero.xyz
- Price: $0.009/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentshelf-css-pre-text-extractor-97df1468
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_T8hG0TDJ3aSjr5BRZtf-g

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability agentshelf-css-pre-text-extractor-97df1468 -d '<json body>'
```

Example prompt: Can you grab all the preformatted text blocks from this page — https://example.com/docs/reference — I need the raw pre-tag content extracted cleanly.

## When to prefer this

Use this endpoint when you need to specifically extract pre-formatted text (content within <pre> tags) from a public web page or HTML string, with SSRF safety guarantees. Prefer the free sandbox endpoint POST /v1/sandbox/css-pre first for testing; use this paid endpoint ($0.009 USDC) for production use when sandbox is unavailable or rate-limited.

## Known failure modes

- URL is not publicly accessible or blocked by SSRF protection
- HTML input exceeds 200,000 character limit
- URL shorter than 8 characters or longer than 2048 characters
- No pre-formatted text elements found on the page
- Target page returns non-200 HTTP status
- Malformed or unparseable HTML input

## How this service works

Call when an agent needs pre text via pre from a public page or HTML (SSRF-safe). Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/css-pre first.

## Output

Returns the extracted pre-formatted text content found within <pre> elements on the specified public web page or HTML input, processed in an SSRF-safe manner.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "url": {
   "type": "string",
   "maxLength": 2048,
   "minLength": 8,
   "description": "Public page to fetch. The selector or profile is fixed by the SKU. Provide url or html."
  },
  "html": {
   "type": "string",
   "examples": [
    "<!doctype html><html lang=\"en\"><head><title>Hello</title>\n<meta charset=\"utf-8\"><meta name=\"description\" content=\"Desc\">\n<link rel=\"canonical\" href=\"https://example.com/\"><link rel=\"icon\" href=\"/favicon.ico\">\n</head><body><h1>Hello</h1><a href=\"https://example.com/a\">A</a></body></html>"
   ],
   "maxLength": 200000,
   "minLength": 1,
   "description": "HTML to extract from locally. Provide html or url. When both are set, html is used."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentshelf-css-pre-text-extractor-97df1468/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentshelf.syntexa.ch](https://www.zero.xyz/host/agentshelf.syntexa.ch/llms.txt)