Get comprehensive statistics about local storage (SQLite + ChromaDB).
AI agents call get_index_stats to retrieve information from Marqeta DiVA API MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves statistics from internal storage systems. It performs no data modification, code execution, deletion, or financial operations. The blast radius is minimal—an AI agent invoking this tool could only gain information about local storage configuration and state, with no side effects on business operations or data integrity.
From the tool's definition Tool name 'get_index_stats' and description 'Get comprehensive statistics about local storage (SQLite + ChromaDB)' indicate a read-only operation that retrieves metadata and statistics without modifying, executing external operations, or causing financial…
Attacks that exploit this kind of access
Get comprehensive statistics about local storage (SQLite + ChromaDB). It is categorised as a Read tool in the Marqeta DiVA API MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Marqeta DiVA API MCP Server MCP server in PolicyLayer and add a rule for get_index_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 Marqeta DiVA API MCP Server. Nothing to install.
get_index_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 get_index_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 get_index_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.
get_index_stats is provided by the Marqeta DiVA API MCP Server MCP server (zvika-finally/marqeta-diva-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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