finance.bcb.usd_brl

Brazilian Real / US Dollar daily exchange rate (series 1) — last N observations from BCB SGS. ODbL

SERVERApibase SOURCEapibase-mcp-client

Low RISK CLASS

Category Read

Parameters 10 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-whiteknightonhorse-apibase/finance.bcb.usd-brl.md

WHAT IT DOES

What finance.bcb.usd_brl does on Apibase

AI agents call finance.bcb.usd_brl to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`last_n`	integer	—	Number of most recent observations to return (default 30, max 500). For daily series this is days; for monthly (IPCA) it is months.

Parameters from the server's own tool schema.

RISK

Why finance.bcb.usd_brl is rated Low

Retrieves historical exchange rate data with no side effects or state modification.

From the tool's definition daily exchange rate, last N observations from BCB SGS

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs finance.bcb.usd_brl safely

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

finance.bcb.usd_brl Allowed

finance.bcb.usd_brl 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": {
    "finance.bcb.usd_brl": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every finance.bcb.usd_brl call is checked against it from then on.

FAQ

Questions about finance.bcb.usd_brl

What does the finance.bcb.usd_brl tool do? +

Brazilian Real / US Dollar daily exchange rate (series 1) — last N observations from BCB SGS. ODbL. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.

What parameters does finance.bcb.usd_brl accept? +

finance.bcb.usd_brl accepts 1 parameter: last_n. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on finance.bcb.usd_brl? +

Register the Apibase MCP server in PolicyLayer and add a rule for finance.bcb.usd_brl: 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 Apibase. Nothing to install.

What risk level is finance.bcb.usd_brl? +

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

Can I rate-limit finance.bcb.usd_brl? +

Yes. Add a rate_limit block to the finance.bcb.usd_brl 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 finance.bcb.usd_brl completely? +

Set action: deny in the PolicyLayer policy for finance.bcb.usd_brl. 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 finance.bcb.usd_brl? +

finance.bcb.usd_brl is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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