List available relation targets and existing lookups for a dashboard. Returns linked tables/views that can be used for creating relation or lookup columns.
AI agents call list_database_relations to retrieve information from Fusebase 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 returns information about existing database relations and lookup targets. The verb 'list' combined with the description emphasizing 'returns' data indicates a pure read operation that retrieves metadata about available relations without creating, modifying, or deleting any data.
From the tool's definition Tool name contains 'list' and description states 'Returns linked tables/views' - a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
List available relation targets and existing lookups for a dashboard. Returns linked tables/views that can be used for creating relation or lookup columns. It is categorised as a Read tool in the Fusebase MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Fusebase MCP Server MCP server in PolicyLayer and add a rule for list_database_relations: 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 Fusebase MCP Server. Nothing to install.
list_database_relations 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 list_database_relations 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 list_database_relations. 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.
list_database_relations is provided by the Fusebase MCP Server MCP server (ryan-haver/fusebase-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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