Compute magnetomotive force (MMF) needed using MMF = H · l
AI agents call mmf_required to retrieve information from Magnetics SME MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a passive computational tool that retrieves or derives physics parameters. It performs a read-only electromagnetics calculation with no side effects, data mutations, code execution, or external operations. The blast radius of misuse is minimal—incorrect MMF calculations might inform bad engineering decisions, but the tool itself cannot modify systems or trigger external actions.
From the tool's definition Tool performs a physics calculation using the formula MMF = H · l (magnetomotive force = magnetic field intensity × length). No data is modified, deleted, or externally executed—it solely computes and returns a derived value based on input parameters.
Attacks that exploit this kind of access
Compute magnetomotive force (MMF) needed using MMF = H · l. It is categorised as a Read tool in the Magnetics SME MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Magnetics SME MCP Server MCP server in PolicyLayer and add a rule for mmf_required: 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 Magnetics SME MCP Server. Nothing to install.
mmf_required 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 mmf_required 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 mmf_required. 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.
mmf_required is provided by the Magnetics SME MCP Server MCP server (jkearney126/maxwell_bot). 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.
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