This record as markdown: /tools/io-github-devopam-mcpg/monitor-index-build.md
What monitor_index_build does on Mcpg
AI agents call monitor_index_build to retrieve information from Mcpg without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why monitor_index_build is rated Low
Index build monitoring would query system state to report progress, performance metrics, or statistics about index construction. This is a read operation retrieving observability data. It does not create, modify, delete, execute commands, or commit financial transactions. Low severity because misuse would only expose information, not cause operational damage.
From the tool's definition Tool name 'monitor_index_build' suggests observation/monitoring of an ongoing index build operation. Similar sibling tools like 'analyze_query_plan', 'analyze_lock_hotspots' are introspection/analysis functions.
Attacks that exploit this kind of access
The rule that runs monitor_index_build safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcpg, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For monitor_index_build, this is the rule to start with:
monitor_index_build 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 Mcpg, apply this rule, and every monitor_index_build call is checked against it from then on.
Questions about monitor_index_build
monitor_index_build is a read tool on the Mcpg MCP server. It is categorised as a Read tool in the Mcpg MCP Server, which means it retrieves data without modifying state.
Register the Mcpg MCP server in PolicyLayer and add a rule for monitor_index_build: 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 Mcpg. Nothing to install.
monitor_index_build 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 monitor_index_build 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 monitor_index_build. 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.
monitor_index_build is provided by the Mcpg MCP server (pypi:mcpg). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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