Technology Signals
LiveSee which technologies a public page visibly uses.
Inspect public HTML and asset URLs for strong signs of a CMS, web framework, commerce platform or marketing tag. Each finding names its evidence and confidence. No version, vulnerability or complete-stack claim is made.
Server URL
https://toolcargo.com/mcp/tech-stackClaude Code
claude mcp add --transport http --scope user toolcargo-tech-stack https://toolcargo.com/mcp/tech-stack \
--header "Authorization: Bearer YOUR_API_KEY"Create a key in your dashboard. Other clients: setup guides.
What it helps you do
- Visible CMS and framework signals
- Commerce and analytics tag evidence
- No unsupported version guesses
Built for: Agencies, web teams and researchers assessing public sites.
Example requests
Site discovery
“What technology signals are visible on https://example.com with ToolCargo?”
Evidence-backed CMS, framework, commerce and marketing-tag signals from the served page.
Step-by-step workflows: pre-launch check · fixing link previews
Tools
| Tool | What it does | Access |
|---|---|---|
inspect_tech_stackInspect technology signals | Identify CMS, frameworks and marketing tags from strong public HTML and asset signatures, with evidence and confidence. No hidden technology or version guessing. | Read-only |
Requirements
- • A ToolCargo account with Site Audit activated (free).
- • A public HTML page whose robots policy permits access.
Limitations
- • Visible HTML and asset URLs only; hidden backend systems are not detectable.
- • A loaded tag does not prove it is configured or firing.
- • One 500 KB page per call; redirects and unknown robots policy are refused.
Supported clients
“Tested” means we connected that client to this endpoint and ran a tool call ourselves. “Documented” means the client supports this setup per its own docs, but we have not tested it yet.
| Claude Code | API key header | Tested | Remote HTTP server with an Authorization header. Tested 2026-09-11 (v2.1.268). |
| Claude (claude.ai) | OAuth sign-in | Tested | Custom connector with OAuth sign-in; tested on claude.ai web 2026-09-11. Desktop and mobile use the same account connectors but were not tested separately. |
| Cursor | API key header | Documented, not yet tested | mcp.json with url and headers. |
| VS Code (Copilot agent mode) | API key header | Documented, not yet tested | .vscode/mcp.json with type http and headers. |
| ChatGPT (developer mode) | OAuth sign-in | Documented, not yet tested | Requires OAuth; API keys cannot be entered. |
| MCP Inspector | API key header | Tested | CLI mode, tested 2026-09-11. Useful for calling tools directly. |
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- HTTP headers LiveHSTS, CSP, cookies flags — what the server actually sends.
Pricing
Included with Site Audit. Each lookup is one call.
Free
$0For trying the connector on your own sites.
50 calls/month · 25 links per check
Pro
$12/moFor freelancers and agencies auditing client sites every week.
2,000 calls/month · 100 links per check
Proposed test price. See the pricing page for checkout status.