verify_cusip

CUSIP validation — validates a 9-char CUSIP (6-char issuer + 2-char issue + 1 check digit) with the standard CUSIP mod-1 Cost: $0.005–$0.05 USDC on Base per call.

SERVERGoCreative Agent API SOURCEhttps://api.gocreativeai.com/mcp

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-colinhughes2121-gocreative-agent-api/verify-cusip.md

WHAT IT DOES

What verify_cusip does on GoCreative Agent API

AI agents call verify_cusip to retrieve information from GoCreative Agent API 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
`arg`	string	Yes

Parameters from the server's own tool schema.

RISK

Why verify_cusip is rated Low

Even though verify_cusip only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs verify_cusip safely

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

verify_cusip Allowed

verify_cusip 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": {
    "verify_cusip": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect GoCreative Agent API, apply this rule, and every verify_cusip call is checked against it from then on.

FAQ

Questions about verify_cusip

What does the verify_cusip tool do? +

CUSIP validation — validates a 9-char CUSIP (6-char issuer + 2-char issue + 1 check digit) with the standard CUSIP mod-1 Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Read tool in the GoCreative Agent API MCP Server, which means it retrieves data without modifying state.

What parameters does verify_cusip accept? +

verify_cusip accepts 1 parameter: arg. Required: arg. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on verify_cusip? +

Register the GoCreative Agent API MCP server in PolicyLayer and add a rule for verify_cusip: 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 GoCreative Agent API. Nothing to install.

What risk level is verify_cusip? +

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

Can I rate-limit verify_cusip? +

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

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

verify_cusip is provided by the GoCreative Agent API MCP server (https://api.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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