Building Anzen: What I Learned About Token Vault the Hard Way

When I started building Anzen for the Authorised to Act hackathon, I thought Token Vault would be the easy part. I was wrong. The concept is simple and powerful: instead of your AI agent holding OA...

By · · 1 min read
Building Anzen: What I Learned About Token Vault the Hard Way

Source: DEV Community

When I started building Anzen for the Authorised to Act hackathon, I thought Token Vault would be the easy part. I was wrong. The concept is simple and powerful: instead of your AI agent holding OAuth tokens for GitHub, Gmail, and Slack, Auth0 holds them in a secure vault. The agent requests a scoped token when it needs one, uses it, and the token is gone. No credentials stored in your app. No breach risk. No all-or-nothing access. The implementation is where it gets interesting. The first thing I discovered is that nextjs-auth0 v4 is a completely different SDK from v3. The familiar handleAuth function is gone. The middleware file convention changed. Environment variable names changed. Even the callback URL path changed from /api/auth/callback to /auth/callback. None of this was obvious from the documentation. The second discovery was about the token exchange flow itself. Calling getAccessToken() returns an Auth0 JWT — not the GitHub or Slack token you actually need. To get the provide

Related Posts

Trending on ShareHub

  1. Understanding Modern JavaScript Frameworks in 2026
    by Alex Chen · Feb 12, 2026 · 0 likes
  2. The System Design Primer
    by Sarah Kim · Feb 12, 2026 · 0 likes
  3. Just shipped my first open-source project!
    by Alex Chen · Feb 12, 2026 · 0 likes
  4. OpenAI Blog
    by Sarah Kim · Feb 12, 2026 · 0 likes
  5. Building Accessible Web Applications: A Practical Guide
    by Alex Chen · Feb 12, 2026 · 0 likes
  6. Rapper Lil Poppa dead at 25, days after releasing new music
    Rapper Lil Poppa dead at 25, days after releasing new music
    by Anonymous User · Feb 19, 2026 · 0 likes
  7. write-for-us
    by Volt Raven · Mar 7, 2026 · 0 likes
  8. Before the Coffee Gets Cold: Heartfelt Story of Time Travel and Second Chances
    Before the Coffee Gets Cold: Heartfelt Story of Time Travel and Second Chances
    by Anonymous User · Feb 12, 2026 · 0 likes
    #coffee gets cold #the #time travel
  9. Best DoorDash Promo Code Reddit Finds for Top Discounts
    Best DoorDash Promo Code Reddit Finds for Top Discounts
    by Anonymous User · Feb 12, 2026 · 0 likes
    #doordash #promo #reddit
  10. Premium SEO Services That Boost Rankings & Revenue | VirtualSEO.Expert
    by Anonymous User · Feb 12, 2026 · 0 likes
  11. NBC under fire for commentary about Team USA women's hockey team
    NBC under fire for commentary about Team USA women's hockey team
    by Anonymous User · Feb 18, 2026 · 0 likes
  12. Where to Watch The Nanny: Streaming and Online Viewing Options
    Where to Watch The Nanny: Streaming and Online Viewing Options
    by Anonymous User · Feb 12, 2026 · 0 likes
    #streaming #the nanny #where
  13. How Much Is Kindle Unlimited? Subscription Cost and Plan Details
    How Much Is Kindle Unlimited? Subscription Cost and Plan Details
    by Anonymous User · Feb 12, 2026 · 0 likes
    #kindle unlimited #subscription #unlimited
  14. Russian skater facing backlash for comment about Amber Glenn
    Russian skater facing backlash for comment about Amber Glenn
    by Anonymous User · Feb 18, 2026 · 0 likes
  15. Google News
    Google News
    by Anonymous User · Feb 18, 2026 · 0 likes

Latest on ShareHub

Browse Topics

#ai (4035)#news (2340)#webdev (1861)#programming (1350)#business (1120)#opensource (1053)#security (1024)#productivity (982)#prediction markets (920)#/business (770)

Around the Network