# check_mcp_update

Check the installed package version against the npm latest version and return safe MCP update guidance. Does not expose credentials.

Agent View of the PolicyLayer registry record for `check_mcp_update`. HTML page: https://policylayer.com/tools/365903728-oss-bilibili-mcp/check-mcp-update

## Facts

- Tool: `check_mcp_update`
- Server: Bilibili Mcp Server Unofficial(video Subtitles And Comments) (`365903728-oss/bilibili-mcp`) — https://policylayer.com/tools/365903728-oss-bilibili-mcp.md
- Homepage: https://github.com/365903728-oss/bilibili-mcp
- Risk category: Read (Low risk)
- Registry record: grade B, 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": "check_mcp_update",
    "arguments": {}
  }
}
```

## Why check_mcp_update is rated Low

This tool retrieves and compares version information without modifying any data, executing external code, or accessing sensitive credentials. It performs a simple read/query operation analogous to running 'npm outdated'. The blast radius of misuse is minimal—an AI agent cannot cause harm by repeatedly calling this endpoint, as it only fetches and displays version guidance. Classified as Read with low severity.

From the tool's own definition: "Tool description states it 'Check[s] the installed package version against the npm latest version' and explicitly notes 'Does not expose credentials.' The operation is purely informational—querying version metadata from npm registry and comparing against…"

## Use case

AI agents call check_mcp_update to retrieve information from Bilibili Mcp Server Unofficial(video Subtitles And Comments) 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 Bilibili Mcp Server Unofficial(video Subtitles And Comments):

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

## Other tools on Bilibili Mcp Server Unofficial(video Subtitles And Comments) (11)

- `check_bilibili_credentials` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/check-bilibili-credentials.md
- `get_bilibili_creator_content` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/get-bilibili-creator-content.md
- `get_credential_setup_instructions` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/get-credential-setup-instructions.md
- `get_video_chapters` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/get-video-chapters.md
- `get_video_comments` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/get-video-comments.md
- `get_video_info` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/get-video-info.md
- `get_video_metadata` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/get-video-metadata.md
- `get_video_transcript` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/get-video-transcript.md
- `list_bilibili_favorite_videos` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/list-bilibili-favorite-videos.md
- `search_bilibili_creators` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/search-bilibili-creators.md
- `search_bilibili_videos` — Read — https://policylayer.com/tools/365903728-oss-bilibili-mcp/search-bilibili-videos.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=365903728-oss-bilibili-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/365903728-oss-bilibili-mcp