osint-mcp-server

Instructions

Implementation Reference

• src/hackertarget/index.ts:44-48 (handler)

  The core logic for performing the reverse IP lookup via the HackerTarget API.

  export async function hackertargetReverseIp(ip: string): Promise<string[]> {
    const text = await htFetch("reverseiplookup", ip);
    if (!text) return [];
    return text.split("\n").filter(Boolean).map((l) => l.trim());
  }

• src/protocol/tools.ts:417-424 (registration)

  Tool registration for 'hackertarget_reverseip', defining the schema and binding it to the implementation handler.

  const hackertargetReverseIpTool: ToolDef = {
    name: "hackertarget_reverseip",
    description: "Reverse IP lookup via HackerTarget — find all domains hosted on an IP. Free tier: 50 queries/day.",
    schema: {
      ip: z.string().describe("IP address for reverse lookup"),
    },
    execute: async (args) => json(await hackertargetReverseIp(args.ip as string)),
  };