This record as markdown: /tools/facusada-mcp-btp/echo-tool.md
What echo_tool does on Sap Btp Destination
AI agents call echo_tool to retrieve information from Sap Btp Destination without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why echo_tool is rated Low
The echo tool is a simple reflective utility that reproduces its input. It performs no queries, modifications, executions, or irreversible actions. It is the lowest-risk category and suitable for testing, debugging, or validation purposes. The confidence is high because the description is clear and unambiguous.
From the tool's definition Tool name is 'echo_tool' with description 'Echo the input text'. This tool merely returns input as output with no side effects, data retrieval from external systems, code execution, data modification, or destructive operations.
Attacks that exploit this kind of access
The rule that runs echo_tool safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sap Btp Destination, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For echo_tool, this is the rule to start with:
echo_tool is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Sap Btp Destination, apply this rule, and every echo_tool call is checked against it from then on.
Questions about echo_tool
Echo the input text. It is categorised as a Read tool in the Sap Btp Destination MCP Server, which means it retrieves data without modifying state.
Register the Sap Btp Destination MCP server in PolicyLayer and add a rule for echo_tool: 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 Sap Btp Destination. Nothing to install.
echo_tool 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_tool 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_tool. 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_tool is provided by the Sap Btp Destination MCP server (facusada/mcp-btp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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