Check that the Vibe MCP server is running and that API credentials
AI agents call vibe.ping to retrieve information from Vibe Co MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a diagnostic/connectivity check tool that verifies server availability and credential validity. It performs no data operations, creates no resources, executes no external code, and causes no state changes. It is a read-only status query, fitting the 'Read' category with low severity due to minimal blast radius if misused by an AI agent.
From the tool's definition Tool name 'vibe.ping' and description 'Check that the Vibe MCP server is running and that API credentials' indicates a health check or status verification operation with no data retrieval, modification, or side effects.
Attacks that exploit this kind of access
Check that the Vibe MCP server is running and that API credentials. It is categorised as a Read tool in the Vibe Co MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Vibe Co MCP Server MCP server in PolicyLayer and add a rule for vibe.ping: 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 Vibe Co MCP Server. Nothing to install.
vibe.ping 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 vibe.ping 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 vibe.ping. 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.
vibe.ping is provided by the Vibe Co MCP Server MCP server (jacob-hartmann/vibeco-mcp). 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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