pain001_validate
Validates a pain.001.001.09 customer credit transfer initiation XML document against the same hand-derived schema-subset table as the tools/555 browser validator -- structural (mandatory fields), facet (IBAN mod-97, BIC format, ISO 4217 currency, decimal/date patterns), and batch-total cross-chec...
This record as markdown: /tools/postoaklabs-ainumbers-mcp-apps/pain001-validate.md
What pain001_validate does on Ainumbers Mcp Apps
AI agents call pain001_validate to retrieve information from Ainumbers Mcp Apps 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 |
|---|---|---|---|
xml | string | Yes | pain.001.001.09 XML document text to validate. |
Parameters from the server's own tool schema.
Why pain001_validate is rated Low
Despite the fintech domain context, pain001_validate is a pure validation tool that performs deterministic checks on XML documents. It has no side effects, does not execute arbitrary code, does not modify the input document, and crucially does not initiate or process any actual payment transactions. The explicit disclaimer that it never transmits payment messages eliminates Execute and Financial categories.
From the tool's definition Tool validates XML against schema and performs structural/facet/cross-check validation only. Description explicitly states 'prepare/validate only, never transmits or generates a live payment message.' The tool reads and analyzes input without modifying data,…
Attacks that exploit this kind of access
The rule that runs pain001_validate safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ainumbers Mcp Apps, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pain001_validate, this is the rule to start with:
pain001_validate is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ainumbers Mcp Apps, apply this rule, and every pain001_validate call is checked against it from then on.
Questions about pain001_validate
Validates a pain.001.001.09 customer credit transfer initiation XML document against the same hand-derived schema-subset table as the tools/555 browser validator -- structural (mandatory fields), facet (IBAN mod-97, BIC format, ISO 4217 currency, decimal/date patterns), and batch-total cross-checks (NbOfTxs vs. actual transaction count, CtrlSum vs. sum of InstdAmt). Byte-identical error set to the browser tool for the same input. Subset validation, not full XSD conformance -- prepare/validate only, never transmits or generates a live payment message. It is categorised as a Read tool in the Ainumbers Mcp Apps MCP Server, which means it retrieves data without modifying state.
pain001_validate accepts 1 parameter: xml. Required: xml. The full parameter table on this page comes from the server's own tool schema.
Register the Ainumbers Mcp Apps MCP server in PolicyLayer and add a rule for pain001_validate: 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 Ainumbers Mcp Apps. Nothing to install.
pain001_validate is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the pain001_validate 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.
Set action: deny in the PolicyLayer policy for pain001_validate. 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.
pain001_validate is provided by the Ainumbers Mcp Apps MCP server (postoaklabs/ainumbers-mcp-apps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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