payware_authorization_oauth2_obtain_token

WHAT IT DOES

What payware_authorization_oauth2_obtain_token does on Payware MCP Server

AI agents invoke payware_authorization_oauth2_obtain_token to trigger actions in Payware MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why payware_authorization_oauth2_obtain_token needs a policy

This tool executes an OAuth2 token request on behalf of a merchant, triggering an external authentication operation. It grants access credentials that could be used to perform financial transactions or other privileged operations on behalf of the merchant.

From the tool's definition Obtain an OAuth2 access token for a merchant... allows ISVs to request a token using the merchant

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

payware_authorization_oauth2_obtain_token Rate-limited

payware_authorization_oauth2_obtain_token stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "payware_authorization_oauth2_obtain_token": {
      "limits": [
        {
          "counter": "payware_authorization_oauth2_obtain_token_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Payware MCP Server, so you can run agents against it safely.

FAQ

Questions about payware_authorization_oauth2_obtain_token

What does the payware_authorization_oauth2_obtain_token tool do? +

Obtain an OAuth2 access token for a merchant. ISVs must be authorized by payware registered merchants to make requests on their behalf. This endpoint allows ISVs to request a token using the merchant. It is categorised as a Execute tool in the Payware MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on payware_authorization_oauth2_obtain_token? +

Register the Payware MCP Server MCP server in PolicyLayer and add a rule for payware_authorization_oauth2_obtain_token: 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 Payware MCP Server. Nothing to install.

What risk level is payware_authorization_oauth2_obtain_token? +

payware_authorization_oauth2_obtain_token is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit payware_authorization_oauth2_obtain_token? +

Yes. Add a rate_limit block to the payware_authorization_oauth2_obtain_token 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 payware_authorization_oauth2_obtain_token completely? +

Set action: deny in the PolicyLayer policy for payware_authorization_oauth2_obtain_token. 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 payware_authorization_oauth2_obtain_token? +

payware_authorization_oauth2_obtain_token is provided by the Payware MCP Server MCP server (payware/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.