OSINT MCP Server

Implementation Reference

• src/tools/hackertarget.ts:47-55 (handler)

  The actual implementation of the DNS lookup logic used by the 'dns_enumeration' tool.

  async getDnsLookup(domain: string): Promise<string> {
    try {
      const response = await fetch(`${this.baseUrl}dnslookup/?q=${domain}`);
      if (!response.ok) throw new Error("API failed");
      return await response.text();
    } catch (error) {
       throw new McpError(ErrorCode.InternalError, `DNS Lookup failed: ${(error as Error).message}`);
    }
  }

• src/index.ts:229-239 (registration)

  The registration of the 'dns_enumeration' tool in the MCP server.

  // --- DNS Enumeration ---
  server.tool(
    "dns_enumeration",
    { domain: z.string().describe("Domain name for DNS enumeration") },
    async ({ domain }) => {
      const result = await htClient.getDnsLookup(domain);
      return {
        content: [{ type: "text", text: result }],
      };
    }
  );