How to manage multi-user AI agent authentication and authorization in 2026 (OAuth 2.1, OIDC, and delegated access)

This page summarizes the projects mentioned and recommended in the original post on dev.to

Puter.js - The Backend for AI-Generated Apps
One-shot full-stack apps with your existing AI coding tool. Puter.js gives you Auth, Storage, DB, AI & more, with up to 90% fewer AI tokens than other backend platforms.
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  1. www-project-top-10-for-large-language-model-applications

    OWASP Top 10 for Large Language Model Apps (Part of the GenAI Security Project)

    The Open Web Application Security Project highlights these vulnerabilities in its updated guidelines, citing prompt injection and excessive agency as primary risks that lead directly to the confused deputy problem.

  2. Puter.js

    Puter.js - The Backend for AI-Generated Apps. One-shot full-stack apps with your existing AI coding tool. Puter.js gives you Auth, Storage, DB, AI & more, with up to 90% fewer AI tokens than other backend platforms.

    Puter.js logo
  3. agency-tutorial-stytch

    Tutorial on Agentic patterns focusing on agency and tool-calling

    In production multi-user deployments, this is non-negotiable. Arcade's reference implementations show the pattern in Next.js with Stytch and Next.js with Supabase, and Arcade's Secure Auth in Production guide walks through the verifier route end-to-end.

  4. arcade-custom-verifier-next

    Implementation of an Arcade Custom User Verifier with Next.js and Supabase

    In production multi-user deployments, this is non-negotiable. Arcade's reference implementations show the pattern in Next.js with Stytch and Next.js with Supabase, and Arcade's Secure Auth in Production guide walks through the verifier route end-to-end.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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