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PromptSign.ai: is it still online? | SaaS Outpost

September 2026 cohort / Security and privacy

PromptSign.ai

Online

Signs and verifies AI agent instruction files and skills so users can check their publisher and detect changes.

PromptSign
PromptSign/promptsign-cli
Docs

Status: Onlinesince Nov 5, 2026
First launched: Sep 10, 2026
Category: Security and privacy
Type: Developer tool

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Pricing

Not tracked yet

Domain

promptsign.ai

Last 30 days

100% of checks answered · median response 930 ms

Oct 9, 2026: Not checked
Oct 10, 2026: Not checked
Oct 11, 2026: Not checked
Oct 12, 2026: Not checked
Oct 13, 2026: Not checked
Oct 14, 2026: Not checked
Oct 15, 2026: Not checked
Oct 16, 2026: Not checked
Oct 17, 2026: Not checked
Oct 18, 2026: Not checked
Oct 19, 2026: Not checked
Oct 20, 2026: Not checked
Oct 21, 2026: Not checked
Oct 22, 2026: Not checked
Oct 23, 2026: Not checked
Oct 24, 2026: Not checked
Oct 25, 2026: Not checked
Oct 26, 2026: Not checked
Oct 27, 2026: Not checked
Oct 28, 2026: Not checked
Oct 29, 2026: Not checked
Oct 30, 2026: Not checked
Oct 31, 2026: Not checked
Nov 1, 2026: Not checked
Nov 2, 2026: Not checked
Nov 3, 2026: Not checked
Nov 4, 2026: Not checked
Nov 5, 2026: Online (1 of 1 checks answered)
Nov 6, 2026: Online (1 of 1 checks answered)
Nov 7, 2026: Not checked

Oct 9, 2026

Online
Some checks failed
Down
Not checked

Today

Daily checks started Nov 5, 2026.

Domain and certificate

Registrar: NameCheap, Inc.
Registered: Jul 22, 2026 · 51 days before launch
Renewal due: Jul 22, 2028 · in 20 months
DNS: Namecheap

Registration data for promptsign.ai from the registry's public RDAP service, looked up Nov 5, 2026.

History

Launched
Sep 10, 2026 · Launch announcement
Online
Nov 5, 2026 · online
Last checked Nov 6, 2026

Is this yours?

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The September 2026 cohort

95%still running

of 1,645 checked products first launched that month (1,654 in all, the rest not checked yet).

Online: 1,542
Moved: 20
Having trouble: 80
Gone: 3

Security and privacy, same month: 97% of 60
Every product we track: 89% of 18,535

See the whole cohort →

Pricing history

We will record this product's plans and prices over time. Coming soon.

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