Validate GitHub API connectivity, token permissions, repo access, project access, and required fields. Also surfaces repo-scope mismatch via the
AI agents call ralph_hero__health_check to retrieve information from Ralph Hero without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a health/status check tool that reads and reports on configuration and connectivity state. It has no side effects—it does not create, modify, delete, or execute external operations. It merely queries and validates existing permissions and access.
From the tool's definition Tool performs validation and connectivity checks ('Validate GitHub API connectivity, token permissions, repo access, project access'), which are diagnostic read operations that query status without modifying state.
Attacks that exploit this kind of access
Validate GitHub API connectivity, token permissions, repo access, project access, and required fields. Also surfaces repo-scope mismatch via the. It is categorised as a Read tool in the Ralph Hero MCP Server, which means it retrieves data without modifying state.
Register the Ralph Hero MCP server in PolicyLayer and add a rule for ralph_hero__health_check: 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 Ralph Hero. Nothing to install.
ralph_hero__health_check 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 ralph_hero__health_check 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 ralph_hero__health_check. 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.
ralph_hero__health_check is provided by the Ralph Hero MCP server (ralph-hero-mcp-server). 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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