Find companies with imminent capital raise needs based on estimated cash runway.
AI agents call screen_must_raise to retrieve information from Signal8 MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches or filters companies by financial metrics (cash runway) to identify those with capital raise needs. It is a read-only analysis tool—it retrieves financial intelligence and returns results, with no side effects on data, no code execution, and no financial transactions.
From the tool's definition Tool name 'screen_must_raise' and description 'Find companies with imminent capital raise needs based on estimated cash runway' indicate a query/search operation that retrieves and analyzes financial data without modifying or executing transactions.
Attacks that exploit this kind of access
Find companies with imminent capital raise needs based on estimated cash runway. It is categorised as a Read tool in the Signal8 MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Signal8 MCP Server MCP server in PolicyLayer and add a rule for screen_must_raise: 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 Signal8 MCP Server. Nothing to install.
screen_must_raise 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 screen_must_raise 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 screen_must_raise. 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.
screen_must_raise is provided by the Signal8 MCP Server MCP server (signal8ai/signal8-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →