ops_data_diagnose
Read bounded sanitized diagnostics. MySQL requires database scope with an explicit database and sessions/statements section. PostgreSQL only supports the sessions section with database scope and an explicit database. SQLite uses database main with overview. Redis requires saved configuration and ...
This record as markdown: /tools/dutydeck/ops-data-diagnose.md
What ops_data_diagnose does on DutyDeck
AI agents call ops_data_diagnose to retrieve information from DutyDeck without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why ops_data_diagnose is rated Low
Even though ops_data_diagnose only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs ops_data_diagnose safely
PolicyLayer is an MCP gateway: it sits between your AI agents and DutyDeck, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ops_data_diagnose, this is the rule to start with:
ops_data_diagnose 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 DutyDeck, apply this rule, and every ops_data_diagnose call is checked against it from then on.
Questions about ops_data_diagnose
Read bounded sanitized diagnostics. MySQL requires database scope with an explicit database and sessions/statements section. PostgreSQL only supports the sessions section with database scope and an explicit database. SQLite uses database main with overview. Redis requires saved configuration and instance scope. SQL text is never returned. Database diagnoses are unavailable if disabled tables could leak through aggregates.${UNTRUSTED_EVIDENCE}. It is categorised as a Read tool in the DutyDeck MCP Server, which means it retrieves data without modifying state.
Register the DutyDeck MCP server in PolicyLayer and add a rule for ops_data_diagnose: 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 DutyDeck. Nothing to install.
ops_data_diagnose 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 ops_data_diagnose 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 ops_data_diagnose. 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.
ops_data_diagnose is provided by the DutyDeck MCP server (taokoplay/DutyDeck). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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