Cookie Policy
Last updated March 2, 2026
This Cookie Policy explains what cookies and similar technologies 3ngram uses, why we use them, and how you can control them. It supplements our Privacy Policy.
What are cookies
Cookies are small text files stored on your device by your browser. They help websites remember information about your visit, like your preferences and login status. We also use localStorage for client-side preferences.
Cookies we use
Essential cookies
Required for the platform to function. These cannot be disabled.
| Cookie | Duration | Purpose |
|---|---|---|
| Session tokens | Session | Authentication and session management |
| mcp_session | Short-lived | MCP OAuth login session |
| mcp_csrf | Short-lived | CSRF protection for MCP forms |
Functional cookies
Remember your preferences for a better experience. Activated only after consent.
| Cookie / Storage | Duration | Purpose |
|---|---|---|
| analytics_consent | 1 year | Records your cookie consent choice |
| 3ngram-theme | 1 year | Dark/light mode preference |
| Dashboard preferences | 1 year | Collapsed sections, layout settings |
Analytics cookies
Help us understand how the platform is used. Activated only after consent. We use Vercel Analytics, which is privacy-friendly and does not use third-party tracking cookies.
| Cookie | Duration | Purpose |
|---|---|---|
| Vercel Analytics | 90 days | Anonymized usage metrics (page views, performance) |
Third-party cookies
We use Sentry (hosted in DE) for error tracking, which may set cookies for session replay. Stripe may set cookies during payment flows. We do not use advertising cookies or cross-site tracking.
Managing cookies
When you first visit 3ngram, a cookie banner asks for your consent to non-essential cookies. You can change your preference at any time by clearing your browser cookies and revisiting the site.
Most browsers let you block or delete cookies through their settings. Note that blocking essential cookies may prevent the platform from working correctly.
Do Not Track
We honor Do Not Track (DNT) browser signals. When DNT is enabled, analytics cookies are not activated regardless of consent status.
Changes to this policy
We may update this cookie policy as our practices change. Updates will be posted on this page with a revised effective date.
Questions? Contact privacy@3ngram.ai. Also see our Privacy Policy and Terms of Service.