AI Signal Tools
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Get told when a new site picks a AI Signal tool.
Stackdar watches every launch we detect and sends you the ones that ship with anything in AI Signal, your competitors' tools included, by email, Slack or webhook. On every plan, from £15 a month.
See how alerts workThe most-adopted ai signal tool we track is OpenAI Domain Verification (51 sites). We've detected 6 ai signal tools across 96 public sites.
AI Signal tools we've detected
| Tool | 90‑day | Sites |
|---|---|---|
|
OpenAI Domain Verification
Meta tag verifying domain ownership for OpenAI integrations such as custom GPTs.
|
51 | |
|
MCP Server
Response header indicating the site exposes a Model Context Protocol server.
|
37 | |
|
ChatGPT
site ↗
Pages that name an OpenAI GPT reasoning model as the author of their content.
|
6 | |
|
AEO Meta Tags
Namespaced meta tags added to a page to describe it to AI answer engines for answer engine optimisation.
|
3 | |
|
Sites that declare Claude as their generator, meaning the page was written with Anthropic's Claude models.
|
1 | |
|
Answer engine optimisation service that tracks AI crawler visits to a website.
|
1 |
Launches using AI Signal tools
| Launch | Launched | Score |
|---|---|---|
| Amalgama Online | Aug 24, 2026 | 8.9 |
| WebFindDeals | Aug 12, 2026 | 6.9 |
| AgentConnect | Aug 9, 2026 | 7.7 |
| SpicyRanked | Jul 18, 2026 | 9.1 |
Often built with
Categories the ai signal sites we track also commonly use: