graph_stats
Return a health summary of the current graph state.
This record as markdown: /tools/ashlesh-t-cognirepo/graph-stats.md
What graph_stats does on CogniRepo
AI agents call graph_stats to retrieve information from CogniRepo without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why graph_stats is rated Low
This tool retrieves and reports on the state of a knowledge graph without modifying, deleting, or executing any operations. It is a read-only diagnostic tool that gathers information about system health. The blast radius of misuse is minimal—an agent could only obtain metadata about the graph structure, not sensitive data or cause harm.
From the tool's definition Tool name is 'graph_stats' and description states it 'Return[s] a health summary of the current graph state.' The verb 'return' and the passive nature of retrieving stats indicate a query operation with no side effects.
Attacks that exploit this kind of access
The rule that runs graph_stats safely
PolicyLayer is an MCP gateway: it sits between your AI agents and CogniRepo, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For graph_stats, this is the rule to start with:
graph_stats 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 CogniRepo, apply this rule, and every graph_stats call is checked against it from then on.
Questions about graph_stats
Return a health summary of the current graph state. It is categorised as a Read tool in the CogniRepo MCP Server, which means it retrieves data without modifying state.
Register the CogniRepo MCP server in PolicyLayer and add a rule for graph_stats: 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 CogniRepo. Nothing to install.
graph_stats 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 graph_stats 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 graph_stats. 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.
graph_stats is provided by the CogniRepo MCP server (pypi:cognirepo). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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