List all SQLite databases registered as data backends. Optionally filter by project.
AI agents call crow_data_list_databases to retrieve information from Crow without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation that lists existing SQLite databases, optionally filtered by project. It returns information about data backends but does not create, modify, delete, or execute operations against them. The blast radius is minimal—an AI agent cannot cause harm by merely listing databases, though the information could inform subsequent actions. Classified as Read with low severity.
From the tool's definition Tool name contains 'list' and description states 'List all SQLite databases'. It retrieves/queries database metadata without modification.
Documented attack patterns abuse exactly the kind of access crow_data_list_databases gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Crow, and nothing reaches the server without passing your rules. This is the rule we recommend for crow_data_list_databases:
{
"version": "1",
"default": "deny",
"tools": {
"crow_data_list_databases": {}
}
}crow_data_list_databases is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all SQLite databases registered as data backends. Optionally filter by project. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.
Register the Crow MCP server in PolicyLayer and add a rule for crow_data_list_databases: 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 Crow. Nothing to install.
crow_data_list_databases 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 crow_data_list_databases 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 crow_data_list_databases. 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.
crow_data_list_databases is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Crow, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
576 Crow tools catalogued and risk-classified — across an index of 43,000+ MCP servers.