Low Risk

ssvc_verdict

Costs 1 credit ($0.02). The signed SSVC patch-urgency decision for one CVE: applies the CISA SSVC Coordinator decision tree to the three recorded decision points and returns the decision (Act, Attend, Track, or Track*) across the full low/medium/high Mission and Well-being envelope, the per-level...

Part of the TensorFeed server.

ssvc_verdict is read-only, but an agent in a loop can still rack up calls and cost. PolicyLayer caps every call before it runs. Live in minutes.

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AI agents call ssvc_verdict to retrieve information from TensorFeed 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 ssvc_verdict 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.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "ssvc_verdict": {}
  }
}

See the full TensorFeed policy for all 79 tools.

Get this rule live on your own TensorFeed server in minutes. PolicyLayer enforces it on every call, before it runs.

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View all 79 tools →

These attack patterns abuse exactly the kind of access ssvc_verdict gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so ssvc_verdict only ever does what you allow.

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Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.

What does the ssvc_verdict tool do? +

Costs 1 credit ($0.02). The signed SSVC patch-urgency decision for one CVE: applies the CISA SSVC Coordinator decision tree to the three recorded decision points and returns the decision (Act, Attend, Track, or Track*) across the full low/medium/high Mission and Well-being envelope, the per-level reasoning, a live CISA KEV cross-check, and an AFTA-signed receipt. Versus the free ssvc_verdict_preview it adds the computed decision, the envelope, the reasoning trace, the KEV staleness overlay, and the receipt, with no rate limit. A CVE not in Vulnrichment is no-charge. Get credits at tensorfeed.ai/developers/agent-payments. Strict premium, no free trial.. It is categorised as a Read tool in the TensorFeed MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ssvc_verdict? +

Register the TensorFeed MCP server in PolicyLayer and add a rule for ssvc_verdict: 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 TensorFeed. Nothing to install.

What risk level is ssvc_verdict? +

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

Can I rate-limit ssvc_verdict? +

Yes. Add a rate_limit block to the ssvc_verdict 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 ssvc_verdict completely? +

Set action: deny in the PolicyLayer policy for ssvc_verdict. 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 ssvc_verdict? +

ssvc_verdict is provided by the TensorFeed MCP server (https://mcp.tensorfeed.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every TensorFeed tool call.

Deterministic rules across all 79 TensorFeed tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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