Compute 24 technical indicators: EMA 8/21/34/55/89, SMA 50/100/200,
AI agents call analyze_technicals 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 quantitative analysis on market data by calculating exponential and simple moving averages. It retrieves or derives analytical metrics from existing data with no side effects, no code execution, no data modification, and no financial transactions. It is purely informational and falls squarely within the Read category.
From the tool's definition The tool computes and returns technical indicators (EMA, SMA) without modifying data, executing trades, or triggering external operations. The description states 'Compute 24 technical indicators' which is a passive analysis operation.
Documented attack patterns abuse exactly the kind of access analyze_technicals 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_technicals:
{
"version": "1",
"default": "deny",
"tools": {
"analyze_technicals": {}
}
}analyze_technicals is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Compute 24 technical indicators: EMA 8/21/34/55/89, SMA 50/100/200,. 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_technicals: 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_technicals 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_technicals 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_technicals. 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_technicals 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.