Uploaded July 2026 | Updated September 2026, 1 week ago
About 5% of all corporate spend is out of policy. The hard question is: which 5%? Recorded live at Vercel Ship 2026 in New York City, Brandon Bloom (Director of Engineering at Brex) explains why Brex gave its audit agent a bash shell, and what happened when they did.
CHAPTERS
0:00 The audit challenge: which 5%?
1:17 Real expense policies are weird
2:30 Creative abuse needs a creative agent
4:02 The naive tool-calling trap
4:26 "I'll replace you with a very small shell script"
5:35 just-bash: a sandboxed shell for agents
8:11 Unix philosophy and context management
12:36 Hallucinated flags are feature requests
14:24 Your agent is in the marble
LINKS
just-bash on GitHub → github.com/vercel-labs/just-bash
Ship 2026 recap → vercel.com/blog/vercel-ship-2026-recap
Start building → vercel.com
Brex → brex.com
FOLLOW VERCEL
X → https://x.com/vercel
LinkedIn → linkedin.com/company/vercel
GitHub → github.com/vercel
#Vercel #VercelShip #AIAgents #AI #Brex #DevTools
About 5% of all corporate spend is out of policy. The hard question is: which 5%? Recorded live at Vercel Ship 2026 in New York City, Brandon Bloom (Director of Engineering at Brex) explains why Brex gave its audit agent a bash shell, and what happened when they did.
CHAPTERS
0:00 The audit challenge: which 5%?
1:17 Real expense policies are weird
2:30 Creative abuse needs a creative agent
4:02 The naive tool-calling trap
4:26 "I'll replace you with a very small shell script"
5:35 just-bash: a sandboxed shell for agents
8:11 Unix philosophy and context management
12:36 Hallucinated flags are feature requests
14:24 Your agent is in the marble
LINKS
just-bash on GitHub → github.com/vercel-labs/just-bash
Ship 2026 recap → vercel.com/blog/vercel-ship-2026-recap
Start building → vercel.com
Brex → brex.com
FOLLOW VERCEL
X → https://x.com/vercel
LinkedIn → linkedin.com/company/vercel
GitHub → github.com/vercel
#Vercel #VercelShip #AIAgents #AI #Brex #DevTools
