fetch_url

Read public HTTP(S) text/HTML/JSON. Preserves the full extracted source in this task and returns its first section, final URL, title and timestamp. Continue with source_read using sourceId and nextOffset. Does not execute page scripts or access private networks. Transport limit is 2 MiB.

User guide / All capabilities

Contract

Effect: read. Evidence role: discovery_only.

Read a public page.

Parameters

This is the current provider-facing JSON Schema, generated from the runtime definition.

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string"
    },
    "max_chars": {
      "type": "number"
    }
  },
  "required": [
    "url"
  ]
}

Execution requirements

The ordinary admission and tool execution checks apply.

Expected postconditions

Inspect the returned status, summary and data; do not infer success from a tool call alone.