get_tesouro_direto

SERVERFalaZuki Finance BR SOURCEhttps://mcp.falazuki.com/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/com-falazuki-finance-br/get-tesouro-direto.md

WHAT IT DOES

What get_tesouro_direto does on FalaZuki Finance BR

AI agents call get_tesouro_direto to retrieve information from FalaZuki Finance BR without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_tesouro_direto is rated Low

Even though get_tesouro_direto only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_tesouro_direto safely

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

get_tesouro_direto Allowed

get_tesouro_direto 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": {
    "get_tesouro_direto": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect FalaZuki Finance BR, apply this rule, and every get_tesouro_direto call is checked against it from then on.

FAQ

Questions about get_tesouro_direto

What does the get_tesouro_direto tool do? +

Retorna as taxas e os preços de todos os títulos ofertados no Tesouro Direto na última cotação oficial (Tesouro Selic, IPCA+, Prefixado, Renda+, Educa+), com a data da cotação. Fonte: arquivo público do Tesouro Nacional. It is categorised as a Read tool in the FalaZuki Finance BR MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_tesouro_direto? +

Register the FalaZuki Finance BR MCP server in PolicyLayer and add a rule for get_tesouro_direto: 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 FalaZuki Finance BR. Nothing to install.

What risk level is get_tesouro_direto? +

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

Can I rate-limit get_tesouro_direto? +

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

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

get_tesouro_direto is provided by the FalaZuki Finance BR MCP server (https://mcp.falazuki.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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