Verilex Data

Instructions

Implementation Reference

• src/tools/labels.ts:71-119 (handler)

  The `label_changes` tool implementation, including schema definition and request handler logic within `registerLabelTools`.

  server.registerTool(
    "label_changes",
    {
      title: "Label Changes",
      description:
        "Get recent changes to address labels since a given timestamp. Shows newly labeled " +
        "addresses, risk score updates, and category changes. " +
        "Cost: $0.005 per query. Source: On-chain address intelligence.",
      inputSchema: {
        since: z
          .string()
          .describe("ISO 8601 timestamp to get changes since (e.g. 2026-03-01T00:00:00Z)"),
        limit: z
          .number()
          .int()
          .min(1)
          .max(100)
          .optional()
          .describe("Maximum results (default 50)"),
      },
    },
    async ({ since, limit }) => {
      const res = await apiGet<LabelQueryResponse>("/api/v1/labels/changes", {
        since,
        limit: limit ?? 50,
      });
  
      if (!res.ok) {
        return {
          content: [
            {
              type: "text" as const,
              text: `API error (${res.status}): ${JSON.stringify(res.data)}`,
            },
          ],
          isError: true,
        };
      }
  
      const { count, data } = res.data;
      const warn = stalenessWarning(res);
      const summary = `${warn}Found ${count} label change(s) since ${since}.`;
      const json = JSON.stringify(data, null, 2);
  
      return {
        content: [{ type: "text" as const, text: `${summary}\n\n${json}` }],
      };
    },
  );