Verilex Data

Instructions

Implementation Reference

• src/tools/pacer.ts:118-165 (handler)

  The handler function for get_pacer_case uses the CourtListener API to fetch case metadata by case_id.

  server.registerTool(
    "get_pacer_case",
    {
      title: "Get PACER Case",
      description:
        "Look up a single federal court case by its case ID. Returns full case metadata " +
        "including title, parties, court, nature of suit, filing date, and assigned judge. " +
        "Source: PACER via CourtListener, updated daily.",
      inputSchema: {
        case_id: z
          .string()
          .describe("The case ID to look up"),
      },
    },
    async ({ case_id }) => {
      const res = await apiGet<Record<string, unknown>>(
        `/api/v1/pacer/cases/${encodeURIComponent(case_id)}`,
      );
  
      if (!res.ok) {
        if (res.status === 404) {
          return {
            content: [
              {
                type: "text" as const,
                text: `Case ${case_id} not found in PACER dataset.`,
              },
            ],
          };
        }
        return {
          content: [
            {
              type: "text" as const,
              text: `API error (${res.status}): ${JSON.stringify(res.data)}`,
            },
          ],
          isError: true,
        };
      }
  
      return {
        content: [
          { type: "text" as const, text: JSON.stringify(res.data, null, 2) },
        ],
      };
    },
  );