validate_yaml_content

Validate YAML content without saving. Returns parsed result or error.

SERVERHa Nexus Agent SOURCEfistacho/ha-nexus-agent
Low RISK CLASS
Category Read
Parameters 00 required
Recommended Allowedsee the rule below
Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fistacho-ha-nexus-agent/validate-yaml-content.md

What validate_yaml_content does on Ha Nexus Agent

AI agents call validate_yaml_content to retrieve information from Ha Nexus Agent without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why validate_yaml_content is rated Low

This tool performs syntax validation and parsing of YAML content, returning either the parsed structure or validation errors. It does not create, modify, delete, or execute any operations—it only analyzes and reports on the input provided. The absence of persistence ('without saving') confirms no data is altered or committed. This is a pure read/query operation with minimal risk.

From the tool's definition Tool name and description: 'Validate YAML content without saving. Returns parsed result or error.' The explicit 'without saving' clause and 'returns parsed result or error' indicates this is a read-only validation operation with no side effects.

Questions about validate_yaml_content

What does the validate_yaml_content tool do? +

Validate YAML content without saving. Returns parsed result or error. It is categorised as a Read tool in the Ha Nexus Agent MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on validate_yaml_content? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for validate_yaml_content: 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 Ha Nexus Agent. Nothing to install.

What risk level is validate_yaml_content? +

validate_yaml_content is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit validate_yaml_content? +

Yes. Add a rate_limit block to the validate_yaml_content 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 validate_yaml_content completely? +

Set action: deny in the PolicyLayer policy for validate_yaml_content. 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 validate_yaml_content? +

validate_yaml_content is provided by the Ha Nexus Agent MCP server (fistacho/ha-nexus-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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