sat_validate_cfdi

Valida el estado de un CFDI en el SAT usando la expresion impresa del QR.

SERVERMCP Framework Personal SOURCEinggerman/mcps

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/inggerman-mcps/sat-validate-cfdi.md

WHAT IT DOES

What sat_validate_cfdi does on MCP Framework Personal

AI agents call sat_validate_cfdi to retrieve information from MCP Framework Personal without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why sat_validate_cfdi is rated Low

This tool queries the Mexican tax authority (SAT) to check the status of a CFDI (Comprobante Fiscal Digital por Internet - digital tax receipt). It takes a QR code expression as input and retrieves status information without modifying any data, creating side effects, or affecting financial systems directly.

From the tool's definition Tool name 'sat_validate_cfdi' and description 'Valida el estado de un CFDI en el SAT usando la expresion impresa del QR' (Validates the status of a CFDI in the SAT using the printed QR expression) indicate a query/lookup operation that retrieves validation…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sat_validate_cfdi safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Framework Personal, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sat_validate_cfdi, this is the rule to start with:

sat_validate_cfdi Allowed

sat_validate_cfdi 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": {
    "sat_validate_cfdi": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Framework Personal, apply this rule, and every sat_validate_cfdi call is checked against it from then on.

FAQ

Questions about sat_validate_cfdi

What does the sat_validate_cfdi tool do? +

Valida el estado de un CFDI en el SAT usando la expresion impresa del QR. It is categorised as a Read tool in the MCP Framework Personal MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on sat_validate_cfdi? +

Register the MCP Framework Personal MCP server in PolicyLayer and add a rule for sat_validate_cfdi: 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 MCP Framework Personal. Nothing to install.

What risk level is sat_validate_cfdi? +

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

Can I rate-limit sat_validate_cfdi? +

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

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

sat_validate_cfdi is provided by the MCP Framework Personal MCP server (inggerman/mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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