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browser-form-fill

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Fill a web form by mapping field-name → value, with optional template lookup from browser-templates for known forms

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How to use this skill

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Source SKILL.md: https://github.com/ruvnet/ruflo/blob/HEAD/plugins/ruflo-browser/skills/browser-form-fill/SKILL.md

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Browser Form Fill

Fill a form using a structured field map ({"first_name": "Ada", "company": "..."}). When a browser-templates entry exists for the host, use it to resolve field names → CSS selectors automatically; otherwise resolve via the page accessibility snapshot.

When to use

  • Submitting a known form (signup, contact, checkout) where field names are stable.
  • Re-using a stored template for a recurring submission.
  • Authoring a new template for a site by recording the resolved selectors.

Steps

  1. Open a recorded session via browser-record.
  2. Resolve selectors:
    • Template path (--template <name>): pull {field_name → selector} from browser-templates.
    • Snapshot path: call browser_snapshot, walk the accessibility tree, match each input's accessible name / label to the field map keys.
  3. AIDefence PII gate: every value in the field map passes aidefence_has_pii before any keystroke; record pii_in_form: true in the session manifest. Do not record the values themselves in the trajectory; record only the field names + a redacted placeholder.
  4. Fill with browser_fill / browser_type / browser_select / browser_check per input type.
  5. Submit if --submit: locate the submit button via the snapshot, browser_click, then browser_wait for navigation.
  6. Persist the template if a new mapping was discovered: 
    npx -y @claude-flow/cli@latest memory store --namespace browser-templates \
  --key "<host>:<form-name>" \
  --value "{field_map:{...}, submit_selector:..., post_submit_url_pattern:...}"
  7. Verify post-submit state if a verification snippet was provided in the field map's _assert key.

Caveats

  • Trajectory steps for fills MUST redact values. The PII gate is the contract.
  • For inputs that require typing simulation (e.g., autocomplete reactions), use browser_type (simulates keystrokes) rather than browser_fill (sets value programmatically). Record which one was used in the trajectory step.
  • Multi-step forms are a sequence of browser-form-fill invocations; chain them via the same session id.
  • If the form has a CAPTCHA, surface the request to the user — do not attempt to bypass.