kiln_startup_diagnosis
Why the Kiln server failed to start, in plain language, with the fix.
This record as markdown: /tools/kiln/kiln-startup-diagnosis.md
What kiln_startup_diagnosis does on Kiln
AI agents call kiln_startup_diagnosis to retrieve information from Kiln without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why kiln_startup_diagnosis is rated Low
Read-only diagnostic tool reporting startup failure reasons; no side effects.
From the tool's definition Why the Kiln server failed to start, in plain language
Attacks that exploit this kind of access
The rule that runs kiln_startup_diagnosis safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Kiln, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For kiln_startup_diagnosis, this is the rule to start with:
kiln_startup_diagnosis 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 Kiln, apply this rule, and every kiln_startup_diagnosis call is checked against it from then on.
Questions about kiln_startup_diagnosis
Why the Kiln server failed to start, in plain language, with the fix. It is categorised as a Read tool in the Kiln MCP Server, which means it retrieves data without modifying state.
Register the Kiln MCP server in PolicyLayer and add a rule for kiln_startup_diagnosis: 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 Kiln. Nothing to install.
kiln_startup_diagnosis 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 kiln_startup_diagnosis 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 kiln_startup_diagnosis. 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.
kiln_startup_diagnosis is provided by the Kiln MCP server (codeofaxel/Kiln). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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