import { DQLContext } from '@duckcodeailabs/dql-mcp';
export interface AgentTool {
    name: string;
    description: string;
    inputSchema: Record<string, unknown>;
    run(args: unknown): Promise<unknown>;
}
export declare function buildAgentTools(ctx: DQLContext): AgentTool[];
/**
 * Resolve a table's columns from the live-scanned warehouse schema snapshot stored
 * in the metadata catalog (`.dql/cache/metadata.sqlite`) — the fallback for
 * `get_table_schema` when a table isn't in the dbt manifest. Read-only; returns
 * undefined when there's no snapshot or no match.
 */
export declare function lookupRuntimeTableSchema(projectRoot: string, table: string): Record<string, unknown> | undefined;
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