collect_character

THE RISK

Medium Risk

Why collect_character needs a policy

This tool creates a favorites/collection entry for a character associated with the user's account. It modifies user data (adds a collection record) but is reversible (can be un-favorited). No destructive, financial, or execution implications.

From the tool's definition Collect (favorite) a character for the current user

Documented attack patterns abuse exactly the kind of access collect_character gives an agent:

POLICY

How to control collect_character

PolicyLayer is an MCP gateway — it sits between your AI agents and Bangumi TV MCP Service, and nothing reaches the server without passing your rules. This is the rule we recommend for collect_character:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "collect_character": {
      "limits": [
        {
          "counter": "collect_character_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

collect_character stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Bangumi TV MCP Service — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Bangumi TV MCP Service tools

Destructive uncollect_character Remove a character from the current user's collection. Destructive uncollect_person Remove a person from the current user's collection. Write collect_person Collect (favorite) a person for the current user. Write update_episode_collection update_episode_collection Write update_single_episode_collection Update the collection status for a single episode. Write update_subject_collection update_subject_collection Read browse_subjects browse_subjects Read get_character_details Get details of a specific character.

All 46 Bangumi TV MCP Service tools →

Write tools on other servers

M-Team MCP Server download_torrent YouTube MCP Server generate_video_title Android Forensics ADB MCP Server combine_reports 0xarchive web3_signup

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about collect_character

What does the collect_character tool do? +

Collect (favorite) a character for the current user. It is categorised as a Write tool in the Bangumi TV MCP Service MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on collect_character? +

Register the Bangumi TV MCP Service MCP server in PolicyLayer and add a rule for collect_character: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Bangumi TV MCP Service. Nothing to install.

What risk level is collect_character? +

collect_character is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit collect_character? +

Yes. Add a rate_limit block to the collect_character rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block collect_character completely? +

Set action: deny in the PolicyLayer policy for collect_character. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides collect_character? +

collect_character is provided by the Bangumi TV MCP Service MCP server (ukenn2112/bangumimcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Bangumi TV MCP Service tool call.

Start from Bangumi TV MCP Service, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →