This record as markdown: /tools/io-github-devopam-mcpg/analyze-session-cost.md
What analyze_session_cost does on Mcpg
AI agents call analyze_session_cost 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 analyze_session_cost is rated Low
The 'analyze_' prefix consistently indicates inspection and querying of PostgreSQL metrics/performance data across the sibling tool set. Session cost analysis would retrieve cost metrics for a database session without modifying or executing operations. However, confidence is moderate (0.72) because the tool description is empty, preventing direct confirmation of read-only semantics or any potential side effects.
From the tool's definition Tool name 'analyze_session_cost' with prefix 'analyze_' suggests data retrieval and analysis without modification. Sibling tools like 'analyze_query_plan', 'analyze_lock_hotspots', and 'analyze_distance_metric' are all read-only analytical operations.
Attacks that exploit this kind of access
The rule that runs analyze_session_cost 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 analyze_session_cost, this is the rule to start with:
analyze_session_cost 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 analyze_session_cost call is checked against it from then on.
Questions about analyze_session_cost
analyze_session_cost 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 analyze_session_cost: 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.
analyze_session_cost 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 analyze_session_cost 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 analyze_session_cost. 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.
analyze_session_cost 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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