Calculate a barbell warmup ramp for any lift. Returns a structured set of warmup sets leading up to the work weight, with decreasing reps as weight increases. Based on standard barbell warmup methodology used in Starting Strength coaching. Powered by CoachSync.io.
Part of the CoachSync server.
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AI agents use warmup_calculator to create or modify resources in CoachSync. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call warmup_calculator repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach CoachSync.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"warmup_calculator": {
"limits": [
{
"counter": "warmup_calculator_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full CoachSync policy for all 3 tools.
These attack patterns abuse exactly the kind of access warmup_calculator gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Calculate a barbell warmup ramp for any lift. Returns a structured set of warmup sets leading up to the work weight, with decreasing reps as weight increases. Based on standard barbell warmup methodology used in Starting Strength coaching. Powered by CoachSync.io.. It is categorised as a Write tool in the CoachSync MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the CoachSync MCP server in PolicyLayer and add a rule for warmup_calculator: 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 CoachSync. Nothing to install.
warmup_calculator is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the warmup_calculator 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 warmup_calculator. 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.
warmup_calculator is provided by the CoachSync MCP server (https://mcp.coachsync.io/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 3 CoachSync tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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