Verilex Data

Instructions

Implementation Reference

• src/tools/dex.ts:101-160 (handler)

  Registration and handler implementation for "query_dex_pairs" tool.

  server.registerTool(
    "query_dex_pairs",
    {
      title: "Query DEX Pairs",
      description:
        "List available trading pairs on decentralized exchanges. Filter by chain, " +
        "base token, or quote token. Returns pair details with liquidity and volume. " +
        "Cost: $0.001 per query. Source: On-chain DEX analytics.",
      inputSchema: {
        chain: z
          .enum(["ethereum", "arbitrum", "polygon", "base", "bsc"])
          .optional()
          .describe("Filter by blockchain network"),
        base_token: z
          .string()
          .optional()
          .describe("Filter by base token symbol (e.g. WETH)"),
        quote_token: z
          .string()
          .optional()
          .describe("Filter by quote token symbol (e.g. USDC)"),
        limit: z
          .number()
          .int()
          .min(1)
          .max(100)
          .optional()
          .describe("Maximum results (default 25)"),
      },
    },
    async ({ chain, base_token, quote_token, limit }) => {
      const res = await apiGet<DexQueryResponse>("/api/v1/dex/pairs", {
        chain,
        base_token,
        quote_token,
        limit: limit ?? 25,
      });
  
      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} DEX pair(s).`;
      const json = JSON.stringify(data, null, 2);
  
      return {
        content: [{ type: "text" as const, text: `${summary}\n\n${json}` }],
      };
    },
  );