Echo text back to the caller.
AI agents call echo to retrieve information from Example Mcp Server Sse without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The echo tool merely returns text provided to it without any data retrieval, modification, deletion, code execution, or external operation. It produces no side effects and is purely informational. This falls clearly under the Read category as the least severe, with very high confidence given the explicit and straightforward description.
From the tool's definition Tool name is 'echo' and description states 'Echo text back to the caller.' This is a simple reflection operation that returns input without modification or side effects.
Attacks that exploit this kind of access
Echo text back to the caller. It is categorised as a Read tool in the Example Mcp Server Sse MCP Server, which means it retrieves data without modifying state.
Register the Example Mcp Server Sse MCP server in PolicyLayer and add a rule for echo: 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 Example Mcp Server Sse. Nothing to install.
echo 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 echo 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 echo. 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.
echo is provided by the Example Mcp Server Sse MCP server (yigitkonur/example-mcp-sse). 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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