Get a comprehensive market breadth health score (0-100).
AI agents call analyze_breadth to retrieve information from Momentum without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs analysis and retrieval of market breadth data to generate an informational score. It has no side effects, does not execute trades or commands, does not create, modify, or delete data, and does not commit financial obligations. It is a classic Read operation used for financial research and decision-support analysis.
From the tool's definition The tool 'analyze_breadth' returns a 'comprehensive market breadth health score (0-100)' - a query operation that retrieves and calculates financial metrics without modifying data or triggering external operations.
Documented attack patterns abuse exactly the kind of access analyze_breadth gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Momentum, and nothing reaches the server without passing your rules. This is the rule we recommend for analyze_breadth:
{
"version": "1",
"default": "deny",
"tools": {
"analyze_breadth": {}
}
}analyze_breadth is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get a comprehensive market breadth health score (0-100). It is categorised as a Read tool in the Momentum MCP Server, which means it retrieves data without modifying state.
Register the Momentum MCP server in PolicyLayer and add a rule for analyze_breadth: 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 Momentum. Nothing to install.
analyze_breadth 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 analyze_breadth 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 analyze_breadth. 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.
analyze_breadth is provided by the Momentum MCP server (mphinance/momentum-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Momentum, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
52 Momentum tools catalogued and risk-classified — across an index of 43,000+ MCP servers.