data_buy

SERVERAFOS — Agentic Financial OS SOURCEhttps://focxle.com/api/v1/mcp

Critical RISK CLASS

Category Financial

Parameters 21 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-focxle-afos/data-buy.md

WHAT IT DOES

What data_buy does on AFOS — Agentic Financial OS

AI agents use data_buy to commit financial operations through AFOS — Agentic Financial OS, usually the final step of a payment, billing, or trading workflow. A call moves real money.

Parameter	Type	Required	Description
`params`	object	—	Inputs the resource needs, e.g. {"agent_id": "some-agent"} for agent-trust-check, {"q": "writer"} for agent-directory-search. Every resource requires input; see
`resource_id`	string	Yes	The resource_id from data_list_for_sale, e.g. "agent-trust-check".

Parameters from the server's own tool schema.

RISK

Why data_buy is rated Critical

Directly moves USDC funds from wallet to purchase data resources.

From the tool's definition signs the payment, settles it from your wallet

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs data_buy safely

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

data_buy Approval-gated

Any call to data_buy is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "data_buy": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AFOS — Agentic Financial OS, apply this rule, and every data_buy call is checked against it from then on.

FAQ

Questions about data_buy

What does the data_buy tool do? +

Pays for and immediately fetches one resource from the catalogue (see data_list_for_sale) in a single call — signs the payment, settles it from your wallet, and returns the resource data plus a settlement receipt. It is categorised as a Financial tool in the AFOS — Agentic Financial OS MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does data_buy accept? +

data_buy accepts 2 parameters: params, resource_id. Required: resource_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on data_buy? +

Register the AFOS — Agentic Financial OS MCP server in PolicyLayer and add a rule for data_buy: 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 AFOS — Agentic Financial OS. Nothing to install.

What risk level is data_buy? +

data_buy is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit data_buy? +

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

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

data_buy is provided by the AFOS — Agentic Financial OS MCP server (https://focxle.com/api/v1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on AFOS — Agentic Financial OS, and thousands of servers like it.

This server

All 37 AFOS — Agentic Financial OS tools → Critical-risk tools on this server →

Across the catalogue

buy_now on Ebay → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →