create_exercise

Create a custom exercise. Requires a name.

SERVERBusinys SOURCE@businys/mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/app-businys-mcp-server/create-exercise.md

WHAT IT DOES

What create_exercise does on Businys

AI agents use create_exercise to create or update resources in Businys, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Businys environment.

RISK

Why create_exercise is rated Medium

This tool creates a new exercise record, which is a reversible write operation. There is no code execution, financial transaction, or data deletion involved. The blast radius is minimal—a mistaken exercise creation can be easily corrected or deleted by the user. Low severity because the action is non-destructive and domain-specific to fitness data management.

From the tool's definition Tool name 'create_exercise' and description 'Create a custom exercise' explicitly indicate data creation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_exercise safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Businys, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_exercise, this is the rule to start with:

create_exercise Rate-limited

create_exercise stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_exercise": {
      "limits": [
        {
          "counter": "create_exercise_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Businys, apply this rule, and every create_exercise call is checked against it from then on.

FAQ

Questions about create_exercise

What does the create_exercise tool do? +

Create a custom exercise. Requires a name. It is categorised as a Write tool in the Businys MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_exercise? +

Register the Businys MCP server in PolicyLayer and add a rule for create_exercise: 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 Businys. Nothing to install.

What risk level is create_exercise? +

create_exercise is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_exercise? +

Yes. Add a rate_limit block to the create_exercise 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.

How do I block create_exercise completely? +

Set action: deny in the PolicyLayer policy for create_exercise. 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.

What MCP server provides create_exercise? +

create_exercise is provided by the Businys MCP server (@businys/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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