Low Risk

storylenses_quality_check

Score and evaluate a cover letter for relevance, narrative strength, and completeness. Returns score 0-100 with actionable feedback.

Part of the Storylenses MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

AI agents call storylenses_quality_check to retrieve information from Storylenses without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.

Even though storylenses_quality_check only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.

Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.

io-github-benediktgirz-storylenses.yaml
tools:
  storylenses_quality_check:
    rules:
      - action: allow

See the full Storylenses policy for all 5 tools.

Tool Name storylenses_quality_check
Category Read
Risk Level Low

Agents calling read-class tools like storylenses_quality_check have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

Other tools in the Read risk category across the catalogue. The same policy patterns (rate-limit, allow) apply to each.

What does the storylenses_quality_check tool do? +

Score and evaluate a cover letter for relevance, narrative strength, and completeness. Returns score 0-100 with actionable feedback.. It is categorised as a Read tool in the Storylenses MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on storylenses_quality_check? +

Add a rule in your Intercept YAML policy under the tools section for storylenses_quality_check. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Storylenses MCP server.

What risk level is storylenses_quality_check? +

storylenses_quality_check is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit storylenses_quality_check? +

Yes. Add a rate_limit block to the storylenses_quality_check rule in your Intercept 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 storylenses_quality_check completely? +

Set action: deny in the Intercept policy for storylenses_quality_check. 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 storylenses_quality_check? +

storylenses_quality_check is provided by the Storylenses MCP server (@storylenses/mcp-server). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policies on Storylenses

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.