... woke up to a nasty bill because an agent looped overnight. All the usual tools (alerts, soft budgets) only reacted after the damage was done. So I built baar-core: lightweight library that checks budget before every API call. Raises exception locally No DNS, no TCP $0 charged on overrun Semantic routing (84% savings) Per-user SQLite quotas Just launched on Product Hunt: https://www.producthunt.com/post... Open source: pip install baar-core Would love feedback from anyone running agents ...

... built Argus after repeatedly getting frustrated with how opaque Claude Code sessions were there was no clear way to understand why a session cost more, looped, or behaved unexpectedly, so I designed a lightweight VSCode

... Anthropic just shipped Opus 4.7 today and i had to write about it somewhere because the jump is weird. I ran the same backlog task on 4.6 and 4.7 back to back. same repo, same prompt, same tools. 4.6 looped on a bug for 25 minutes and was not going to solve it. 4.7 closed it in eleven, and the part that freaked me out is that it paused in the middle to sanity-check an assumption ... ... verified it. unprompted. That self-verification behavior is the thing. Vercel is reporting it does proofs on systems code before starting work. Hex says it flags missing data instead of making up plausible-but-wrong fallbacks. Genspark measured loop