Evaluate a startup idea. Returns a brutal verdict, number of pivots required, a funny comparable, a realistic YC rejection reason, and the actual TAM (always $4 trillion).
Part of the Startup Oracle server.
Free to start. No card required.
AI agents call startup_oracle_evaluate to retrieve information from Startup Oracle without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though startup_oracle_evaluate only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"startup_oracle_evaluate": {}
}
}See the full Startup Oracle policy for all 21 tools.
These attack patterns abuse exactly the kind of access startup_oracle_evaluate gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Evaluate a startup idea. Returns a brutal verdict, number of pivots required, a funny comparable, a realistic YC rejection reason, and the actual TAM (always $4 trillion).. It is categorised as a Read tool in the Startup Oracle MCP Server, which means it retrieves data without modifying state.
Register the Startup Oracle MCP server in PolicyLayer and add a rule for startup_oracle_evaluate: 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 Startup Oracle. Nothing to install.
startup_oracle_evaluate 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 startup_oracle_evaluate 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 startup_oracle_evaluate. 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.
startup_oracle_evaluate is provided by the Startup Oracle MCP server (https://gateway.pipeworx.io/startup-oracle/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Startup Oracle tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4,600+ MCP servers and 31,000+ tools scanned and risk-classified.