Pre-flight safety check before executing an action on a skill. Returns a validation result with safe_to_proceed (boolean), risk_level, security_grade, warnings array, and whether the skill is verified. Checks the skill's security grade, safety manifest, parameter injection patterns, and how recen...
Part of the Loaditout server.
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AI agents call validate_action to retrieve information from Loaditout without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though validate_action only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"validate_action": {}
}
}See the full Loaditout policy for all 21 tools.
These attack patterns abuse exactly the kind of access validate_action gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Pre-flight safety check before executing an action on a skill. Returns a validation result with safe_to_proceed (boolean), risk_level, security_grade, warnings array, and whether the skill is verified. Checks the skill's security grade, safety manifest, parameter injection patterns, and how recently it was updated. Use this before calling any skill action that could have side effects (writes, deletes, network requests). Do not skip this step for skills with security grade C or F.. It is categorised as a Read tool in the Loaditout MCP Server, which means it retrieves data without modifying state.
Register the Loaditout MCP server in PolicyLayer and add a rule for validate_action: 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 Loaditout. Nothing to install.
validate_action 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 validate_action 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 validate_action. 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.
validate_action is provided by the Loaditout MCP server (loaditout-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Loaditout tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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