spraay_free_x402_check

Probe URL for x402 payment support. Free to call. Pass the request payload as a JSON string via the body argument.

SERVERSpraay X402 Mcp SOURCEspraay-x402-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-plagtech-spraay-x402-mcp/spraay-free-x402-check.md

WHAT IT DOES

What spraay_free_x402_check does on Spraay X402 Mcp

AI agents call spraay_free_x402_check to retrieve information from Spraay X402 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 spraay_free_x402_check is rated Low

This tool retrieves information about whether a URL supports x402 payments. It performs a read-only discovery operation without modifying state, creating resources, executing arbitrary code, or moving funds. The low severity reflects that probing public endpoints for capability detection poses minimal risk even if abused.

From the tool's definition Tool probes a URL to check for x402 payment support; described as 'free to call' and takes a request payload. The verb 'probe' and 'check' indicate a query/inspection operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs spraay_free_x402_check safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Spraay X402 Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For spraay_free_x402_check, this is the rule to start with:

spraay_free_x402_check Allowed

spraay_free_x402_check 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": {
    "spraay_free_x402_check": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Spraay X402 Mcp, apply this rule, and every spraay_free_x402_check call is checked against it from then on.

FAQ

Questions about spraay_free_x402_check

What does the spraay_free_x402_check tool do? +

Probe URL for x402 payment support. Free to call. Pass the request payload as a JSON string via the body argument. It is categorised as a Read tool in the Spraay X402 Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on spraay_free_x402_check? +

Register the Spraay X402 MCP server in PolicyLayer and add a rule for spraay_free_x402_check: 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 Spraay X402 Mcp. Nothing to install.

What risk level is spraay_free_x402_check? +

spraay_free_x402_check is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit spraay_free_x402_check? +

Yes. Add a rate_limit block to the spraay_free_x402_check 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 spraay_free_x402_check completely? +

Set action: deny in the PolicyLayer policy for spraay_free_x402_check. 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 spraay_free_x402_check? +

spraay_free_x402_check is provided by the Spraay X402 MCP server (spraay-x402-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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