This record as markdown: /tools/ibm-chuk-mcp-server/hello.md
What hello does on ChukMCPServer
AI agents call hello as a supporting operation in ChukMCPServer workflows.
Why hello is rated Low
The tool name 'hello' suggests a simple greeting or test function with no side effects, likely a demonstration tool. However, the description is empty, so confidence is low. Based on the name and context of sibling tools (echo, bench_echo, etc.), this is most likely a read-only or benign greeting function, placing it in Other or Read. Given no meaningful side effects are implied, Other is appropriate.
From the tool's definition Tool name is 'hello' and description is empty or uninformative.
Attacks that exploit this kind of access
The rule that runs hello safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ChukMCPServer, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hello, this is the rule to start with:
hello gets a rate cap, and everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect ChukMCPServer, apply this rule, and every hello call is checked against it from then on.
Questions about hello
hello is a other tool on the ChukMCPServer MCP server. It is categorised as a Other tool in the ChukMCPServer MCP Server, which means it performs auxiliary operations.
Register the ChukMCPServer MCP server in PolicyLayer and add a rule for hello: 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 ChukMCPServer. Nothing to install.
hello is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the hello 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 hello. 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.
hello is provided by the ChukMCPServer MCP server (ibm/chuk-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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