# get-chuck-categories

Get all available categories for Chuck Norris jokes

Agent View of the PolicyLayer registry record for `get-chuck-categories`. HTML page: https://policylayer.com/tools/09tns-telljocke/get-chuck-categories

## Facts

- Tool: `get-chuck-categories`
- Server: Jokes MCP Server (`09tns/telljocke`) — https://policylayer.com/tools/09tns-telljocke.md
- Homepage: https://github.com/09Tns/TellJocke
- Risk category: Read (Low risk)
- Registry record: grade A, 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": "get-chuck-categories",
    "arguments": {}
  }
}
```

## Why get-chuck-categories is rated Low

This tool queries a list of joke categories without creating, modifying, deleting, or executing any operations. It is a simple data retrieval operation with no side effects or risk to system integrity.

From the tool's own definition: "Tool name and description indicate only retrieval: 'Get all available categories' with no modification, deletion, or execution capabilities."

## Use case

AI agents call get-chuck-categories to retrieve information from Jokes MCP Server 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 Jokes MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get-chuck-categories": {}
  }
}
```

## Other tools on Jokes MCP Server (3)

- `get-chuck-joke` — Read — https://policylayer.com/tools/09tns-telljocke/get-chuck-joke.md
- `get-dad-joke` — Read — https://policylayer.com/tools/09tns-telljocke/get-dad-joke.md
- `get-yo-mama-joke` — Read — https://policylayer.com/tools/09tns-telljocke/get-yo-mama-joke.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=09tns-telljocke · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/09tns-telljocke