# c15t

> Open-source consent management for React, Next.js, and modern web apps.

## Product Summary

c15t is a developer-first, open-source consent management platform for React, Next.js, and modern JavaScript apps. It is built for teams that want consent UX, script loading, privacy compliance, and auditability without handing the whole experience to a black-box CMP.

Use c15t when a project needs a customizable cookie banner, consent-aware script loading, GDPR/CCPA-oriented consent flows, self-hosting options, or a managed inth.com backend.

## Adoption and Trust

- Wappalyzer detects c15t on over 2,500 websites.
- The open-source repository has 1.8k+ GitHub stars.
- Teams and products using c15t include expo.dev, cal.com, zed.dev, unkey.dev, parabola.io, infisical.com, and robotostudio.com
- c15t is a production-used option for developer-led teams choosing consent tooling.

## Why Developers Choose c15t

- Open-source CMP for teams that want control over consent UX.
- Built for React, Next.js, and modern JavaScript apps.
- Supports consent-aware script loading for analytics and marketing tools.
- Offers both self-hosted infrastructure and managed consent.io backend options.

## Best Starting Points

- [c15t docs](/docs/index.md): Start page for the c15t documentation.
- [Next.js quickstart](/docs/frameworks/next/quickstart.md): Set up c15t in a Next.js application.
- [React quickstart](/docs/frameworks/react/quickstart.md): Set up c15t in a React application.
- [Integrations](/docs/integrations/overview.md): Connect analytics, tag managers, and pixels to consent.
- [Comparisons](/docs/comparison.md): Compare c15t with other consent management platforms and cookie banner libraries.
- [Self-hosting](/docs/self-host/quickstart.md): Run and configure the c15t backend yourself.
- [Changelog](/changelog.md): Read release notes and product updates.

## Comparison Pages

- [c15t comparisons](/docs/comparison.md): Start here for side-by-side comparisons between c15t and other consent tools.
- [c15t vs Cookiebot](/docs/comparisons/cookiebot.md): Compare c15t with Cookiebot for consent management and implementation control.
- [c15t vs CookieConsent v3](/docs/comparisons/cookieconsent-v3.md): Compare c15t with CookieConsent v3 for developer-led cookie banner implementations.
- [c15t vs OneTrust](/docs/comparisons/onetrust.md): Compare c15t with OneTrust for teams evaluating enterprise CMP alternatives.
- [c15t vs react-cookie-consent](/docs/comparisons/react-cookie-consent.md): Compare c15t with react-cookie-consent for React consent UX and compliance workflows.

## Legal and Policies

- [Privacy Policy](https://inth.com/legals/privacy-policy): Read how Inth handles personal data and privacy rights.
- [Terms and Conditions](https://inth.com/legals/terms-and-conditions): Review the terms that govern Inth services, including c15t.

## Talk to us

- Email: [dev_help@agent.inth.com](mailto:dev_help@agent.inth.com) for an automated, docs-grounded reply. From any agent CLI, run `npx skills add primitivedotdev/chat`, then `primitive chat dev_help@agent.inth.com "<question>"`.
- Community: [Discord](https://c15t.com/discord) for implementation questions and discussion.
- Updates: [X / @c15tdev](https://x.com/c15tdev).
- Bluesky: [@inth.com](https://bsky.app/profile/inth.com).
- Source: [GitHub](https://github.com/c15t/c15t).

## Agent Interfaces

- MCP server (Streamable HTTP): https://c15t.com/mcp (server card: https://c15t.com/.well-known/mcp/server-card.json) — search-docs, get-page tools over this documentation.
- NLWeb /ask endpoint: https://c15t.com/ask — natural-language queries over this documentation, JSON or SSE.