circl-cve-get

Fetch detailed information for a specific CVE id.

SERVERMeta Data Mcp SOURCEpypi:meta-data-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-derekslinz-meta-data-mcp/circl-cve-get.md

WHAT IT DOES

What circl-cve-get does on Meta Data Mcp

AI agents call circl-cve-get to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why circl-cve-get is rated Low

This tool retrieves security vulnerability information from an open data API (CIRCL CVE database). The verb 'Fetch' and the action of retrieving 'detailed information' for a CVE record are read-only operations with no side effects. Even though CVE data is security-sensitive, the tool itself performs no destructive, executable, or financial actions—it simply queries and returns data.

From the tool's definition Tool name 'circl-cve-get' and description 'Fetch detailed information for a specific CVE id' indicate a retrieval operation that queries existing CVE data without modification, creation, execution, or deletion.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs circl-cve-get safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For circl-cve-get, this is the rule to start with:

circl-cve-get Allowed

circl-cve-get is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "circl-cve-get": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every circl-cve-get call is checked against it from then on.

FAQ

Questions about circl-cve-get

What does the circl-cve-get tool do? +

Fetch detailed information for a specific CVE id. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on circl-cve-get? +

Register the Meta Data MCP server in PolicyLayer and add a rule for circl-cve-get: 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 Meta Data Mcp. Nothing to install.

What risk level is circl-cve-get? +

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

Can I rate-limit circl-cve-get? +

Yes. Add a rate_limit block to the circl-cve-get 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 circl-cve-get completely? +

Set action: deny in the PolicyLayer policy for circl-cve-get. 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 circl-cve-get? +

circl-cve-get is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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