AI agents use generate_narrative to create or update resources in DramaCraft — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your DramaCraft environment.
This tool generates commentary scripts that will be written into video projects. It creates new data (narrative text) that modifies the editorial content of a video draft, making it a Write operation rather than Read (it produces output, not just retrieves).
From the tool's definition Tool name and description indicate content generation ('生成' = generate, '叙述解说文案' = narrative/commentary script). The description explicitly states 'first-person narrative commentary copy generation', which creates new textual content.
Documented attack patterns abuse exactly the kind of access generate_narrative gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and DramaCraft, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_narrative:
{
"version": "1",
"default": "deny",
"tools": {
"generate_narrative": {
"limits": [
{
"counter": "generate_narrative_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}generate_narrative 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.
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生成第一人称叙述解说文案. It is categorised as a Write tool in the DramaCraft MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the DramaCraft MCP server in PolicyLayer and add a rule for generate_narrative: 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 DramaCraft. Nothing to install.
generate_narrative is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the generate_narrative 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.
Set action: deny in the PolicyLayer policy for generate_narrative. 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.
generate_narrative is provided by the DramaCraft MCP server (jackyxia918918/dramacraft). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from DramaCraft, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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9 DramaCraft tools catalogued and risk-classified — across an index of 43,000+ MCP servers.