Web Proxy MCP Server

Instructions

Implementation Reference

• src/tools/tool-handlers.js:197-210 (handler)

  Tool handler for proxy_update_target: prepares updates from args and calls targetManager.updateTarget, returns success message.

  case 'proxy_update_target':
    const updates = {};
    if ('enabled' in args) updates.enabled = args.enabled;
    if ('description' in args) updates.description = args.description;
    if ('captureHeaders' in args) updates.captureHeaders = args.captureHeaders;
    if ('captureBody' in args) updates.captureBody = args.captureBody;
    
    const updated = this.targetManager.updateTarget(args.domain, updates);
    return {
      content: [{
        type: "text",
        text: `Target updated: ${args.domain}\nStatus: ${updated ? 'success' : 'not found'}\nUpdates: ${JSON.stringify(updates, null, 2)}`
      }]
    };

• src/tools/tool-definitions.js:73-102 (schema)

  Input schema definition for proxy_update_target tool including properties and required fields.

  proxy_update_target: {
    name: "proxy_update_target",
    description: "Update target domain configuration",
    inputSchema: {
      type: "object",
      properties: {
        domain: {
          type: "string",
          description: "Domain to update"
        },
        description: {
          type: "string",
          description: "New description"
        },
        enabled: {
          type: "boolean",
          description: "Enable/disable target"
        },
        captureHeaders: {
          type: "boolean",
          description: "Enable/disable header capture"
        },
        captureBody: {
          type: "boolean",
          description: "Enable/disable body capture"
        }
      },
      required: ["domain"]
    }
  },

• src/proxy/target-manager.js:374-391 (helper)

  Core updateTarget method in TargetManager class that applies configuration updates to the target domain and regenerates PAC file.

  updateTarget(domain, updates) {
    const target = this.targets.get(domain.toLowerCase());
    if (!target) {
      return false;
    }
  
    // Apply updates
    if ('enabled' in updates) target.enabled = updates.enabled;
    if ('description' in updates) target.description = updates.description;
    if ('includeSubdomains' in updates) target.includeSubdomains = updates.includeSubdomains;
    if ('captureHeaders' in updates) target.captureHeaders = updates.captureHeaders;
    if ('captureBody' in updates) target.captureBody = updates.captureBody;
    
    target.lastModified = new Date();
    this._updatePacFile();
    
    return true;
  }