This record as markdown: /tools/io-github-bitgett-q402-mcp/q402-vendor-history.md
What q402_vendor_history does on Q402 Mcp
AI agents call q402_vendor_history to retrieve information from Q402 Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why q402_vendor_history is rated Low
This tool queries and retrieves vendor payment history records. It reads historical data without creating, modifying, deleting, or executing financial transactions. The incomplete description ('With a') suggests a query/retrieval function, typical of Read operations. While it operates on a financial system, it only accesses historical records rather than committing new financial obligations or moving funds.
From the tool's definition Tool name 'q402_vendor_history' and description 'Vendor payment history' indicate retrieval of historical transaction data without modification capability.
Attacks that exploit this kind of access
The rule that runs q402_vendor_history safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Q402 Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For q402_vendor_history, this is the rule to start with:
q402_vendor_history 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 Q402 Mcp, apply this rule, and every q402_vendor_history call is checked against it from then on.
Questions about q402_vendor_history
Vendor payment history. With a. It is categorised as a Read tool in the Q402 Mcp MCP Server, which means it retrieves data without modifying state.
Register the Q402 MCP server in PolicyLayer and add a rule for q402_vendor_history: 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 Q402 Mcp. Nothing to install.
q402_vendor_history 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 q402_vendor_history 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 q402_vendor_history. 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.
q402_vendor_history is provided by the Q402 MCP server (@quackai/q402-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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