# browser_snapshot_navigate_to_line

Navigate to a specific global line number in the current page snapshot with configurable surrounding context lines. Shows which spans contain the context lines. The target line is marked with

Agent View of the PolicyLayer registry record for `browser_snapshot_navigate_to_line`. HTML page: https://policylayer.com/tools/cowork-bench/browser-snapshot-navigate-to-line

## Facts

- Tool: `browser_snapshot_navigate_to_line`
- Server: Cowork Bench (`0717376/cowork_bench`) — https://policylayer.com/tools/cowork-bench.md
- Homepage: https://github.com/0717376/cowork_bench
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "browser_snapshot_navigate_to_line",
    "arguments": {}
  }
}
```

## Why browser_snapshot_navigate_to_line is rated Low

Even though browser_snapshot_navigate_to_line only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

## Use case

AI agents call browser_snapshot_navigate_to_line to retrieve information from Cowork Bench without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Cowork Bench:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "browser_snapshot_navigate_to_line": {}
  }
}
```

## Other tools on Cowork Bench (432)

- `canvas_delete_announcement` — Destructive — https://policylayer.com/tools/cowork-bench/canvas-delete-announcement.md
- `canvas_delete_assignment` — Destructive — https://policylayer.com/tools/cowork-bench/canvas-delete-assignment.md
- `canvas_delete_conversation` — Destructive — https://policylayer.com/tools/cowork-bench/canvas-delete-conversation.md
- `canvas_delete_course` — Destructive — https://policylayer.com/tools/cowork-bench/canvas-delete-course.md
- `canvas_delete_quiz` — Destructive — https://policylayer.com/tools/cowork-bench/canvas-delete-quiz.md
- `canvas_delete_quiz_question` — Destructive — https://policylayer.com/tools/cowork-bench/canvas-delete-quiz-question.md
- `delete_draft` — Destructive — https://policylayer.com/tools/cowork-bench/delete-draft.md
- `delete_email` — Destructive — https://policylayer.com/tools/cowork-bench/delete-email.md
- `delete_emails` — Destructive — https://policylayer.com/tools/cowork-bench/delete-emails.md
- `delete_entities` — Destructive — https://policylayer.com/tools/cowork-bench/delete-entities.md
- `delete_event` — Destructive — https://policylayer.com/tools/cowork-bench/delete-event.md
- `delete_folder` — Destructive — https://policylayer.com/tools/cowork-bench/delete-folder.md
- `delete_footnote_from_document` — Destructive — https://policylayer.com/tools/cowork-bench/delete-footnote-from-document.md
- `delete_footnote_robust` — Destructive — https://policylayer.com/tools/cowork-bench/delete-footnote-robust.md
- `delete_observations` — Destructive — https://policylayer.com/tools/cowork-bench/delete-observations.md
- `delete_page` — Destructive — https://policylayer.com/tools/cowork-bench/delete-page.md
- `delete_paragraph` — Destructive — https://policylayer.com/tools/cowork-bench/delete-paragraph.md
- `delete_range` — Destructive — https://policylayer.com/tools/cowork-bench/delete-range.md
- `delete_relations` — Destructive — https://policylayer.com/tools/cowork-bench/delete-relations.md
- `delete_sheet_columns` — Destructive — https://policylayer.com/tools/cowork-bench/delete-sheet-columns.md
- `delete_sheet_rows` — Destructive — https://policylayer.com/tools/cowork-bench/delete-sheet-rows.md
- `delete_worksheet` — Destructive — https://policylayer.com/tools/cowork-bench/delete-worksheet.md
- `drop_databases` — Destructive — https://policylayer.com/tools/cowork-bench/drop-databases.md
- `drop_schemas` — Destructive — https://policylayer.com/tools/cowork-bench/drop-schemas.md
- `drop_tables` — Destructive — https://policylayer.com/tools/cowork-bench/drop-tables.md
- `sequentialthinking` — Destructive — https://policylayer.com/tools/cowork-bench/sequentialthinking.md
- `unprotect_document` — Destructive — https://policylayer.com/tools/cowork-bench/unprotect-document.md
- `woo_coupons_delete` — Destructive — https://policylayer.com/tools/cowork-bench/woo-coupons-delete.md
- `woo_orders_delete` — Destructive — https://policylayer.com/tools/cowork-bench/woo-orders-delete.md
- `woo_products_delete` — Destructive — https://policylayer.com/tools/cowork-bench/woo-products-delete.md
- …and 402 more: https://policylayer.com/tools/cowork-bench.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=cowork-bench · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/cowork-bench