NetSpectre WebMCP Challenge Edition

NetSpectre Challenge Edition is a standalone, browser-based demonstration of human-agent collaboration in a defensive cyber investigation. It was created for the 2026 WebMCP Challenge and uses synthetic data exclusively.

This repository is not the NetSpectre commercial desktop product. It does not contain NetSpectre's private investigation engine, production data, customer information, credentials, or proprietary detection logic.

Live demonstration: https://netspectre-webmcp.stuhall44.chatgpt.site

What the demonstration shows

The included fictional case concerns a supplier-impersonation and payment- diversion attempt. A person and their agent share the same visible case state:

1. The agent obtains a concise case briefing.

2. It reviews preserved evidence metadata without opening or executing files.

3. It explains prioritised signals and their evidence links.

4. It prepares a finding as a draft.

5. The investigator explicitly reviews and approves the finding.

6. The agent generates a summary that reflects the recorded human decision.

Related MCP server: Splunk MCP for SOC Operations

WebMCP tools

The app feature-detects document.modelContext.registerTool, so its normal interface continues to work in browsers without WebMCP support.

Safety properties

• Synthetic evidence only.

• No live scanning, network requests, shell execution, or arbitrary file access.

• Evidence metadata is read-only and no suspicious material is executed.

• Agent-created findings remain drafts until a person approves them visibly.

• Tool inputs use narrow JSON schemas.

• Tool activity is reflected in the visible activity record.

• Outputs support rather than replace professional human judgement.

Run locally

Use Node.js 22.13 or newer.

npm install
npm run dev

Open the printed local URL. For WebMCP discovery, use ChatGPT's built-in browser or a supported Chrome build with WebMCP testing enabled.

Build

npm run build

Challenge work statement

This standalone WebMCP demonstration was created during the WebMCP Challenge submission period. NetSpectre existed previously as a private Windows-first desktop product; judges should evaluate the work in this repository as the new challenge extension and demonstration.

Licence boundary

The MIT licence in this repository applies only to the files contained in this challenge-edition repository. It does not grant rights to the separate NetSpectre commercial desktop application, its private source, data, brands, or other proprietary materials.