# discover_videos

Search YouTube for videos on a topic.

Agent View of the PolicyLayer registry record for `discover_videos`. HTML page: https://policylayer.com/tools/0xchamin-mcptube/discover-videos

## Facts

- Tool: `discover_videos`
- Server: Mcptube Vision (`0xchamin/mcptube`) — https://policylayer.com/tools/0xchamin-mcptube.md
- Homepage: https://github.com/0xchamin/mcptube
- Risk category: Read (Low risk)
- Registry record: grade D, 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": "discover_videos",
    "arguments": {}
  }
}
```

## Why discover_videos is rated Low

This tool performs a read-only search operation against YouTube to discover and return video results. It has no side effects—it neither creates, modifies, deletes data nor executes code or triggers external state changes. The blast radius of misuse is minimal; an agent querying for videos poses negligible security risk.

From the tool's own definition: "Tool name 'discover_videos' and description 'Search YouTube for videos on a topic' indicate a search/query operation that retrieves data without modifying, deleting, or executing external operations."

## Use case

AI agents call discover_videos to retrieve information from Mcptube Vision 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 Mcptube Vision:

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

## Other tools on Mcptube Vision (20)

- `remove_video` — Destructive — https://policylayer.com/tools/0xchamin-mcptube/remove-video.md
- `ask_video` — Read — https://policylayer.com/tools/0xchamin-mcptube/ask-video.md
- `ask_videos` — Read — https://policylayer.com/tools/0xchamin-mcptube/ask-videos.md
- `classify_video` — Read — https://policylayer.com/tools/0xchamin-mcptube/classify-video.md
- `generate_report` — Read — https://policylayer.com/tools/0xchamin-mcptube/generate-report.md
- `generate_report_from_query` — Read — https://policylayer.com/tools/0xchamin-mcptube/generate-report-from-query.md
- `get_frame` — Read — https://policylayer.com/tools/0xchamin-mcptube/get-frame.md
- `get_frame_by_query` — Read — https://policylayer.com/tools/0xchamin-mcptube/get-frame-by-query.md
- `get_frame_data` — Read — https://policylayer.com/tools/0xchamin-mcptube/get-frame-data.md
- `get_info` — Read — https://policylayer.com/tools/0xchamin-mcptube/get-info.md
- `list_videos` — Read — https://policylayer.com/tools/0xchamin-mcptube/list-videos.md
- `synthesize` — Read — https://policylayer.com/tools/0xchamin-mcptube/synthesize.md
- `wiki_ask` — Read — https://policylayer.com/tools/0xchamin-mcptube/wiki-ask.md
- `wiki_history` — Read — https://policylayer.com/tools/0xchamin-mcptube/wiki-history.md
- `wiki_list` — Read — https://policylayer.com/tools/0xchamin-mcptube/wiki-list.md
- `wiki_search` — Read — https://policylayer.com/tools/0xchamin-mcptube/wiki-search.md
- `wiki_show` — Read — https://policylayer.com/tools/0xchamin-mcptube/wiki-show.md
- `wiki_toc` — Read — https://policylayer.com/tools/0xchamin-mcptube/wiki-toc.md
- `add_video` — Write — https://policylayer.com/tools/0xchamin-mcptube/add-video.md
- `save_tags` — Write — https://policylayer.com/tools/0xchamin-mcptube/save-tags.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=0xchamin-mcptube · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/0xchamin-mcptube