Vercel
Vercel Tracing is now generally available on all plans. Search every span with KQL in the dashboard or CLI. New Next.js 16.5 projects get tracing with no…
LiveUpdated 2026-11-07 10:42 UTC
Testing & observability
Testing & observability scores 43/100 on the Dev Radar money board (#9), with 836 posts and 9.7M views on X over the last 21 days.
It moved down 1 place in the last 24 hours. 22 new tools appeared in this market over the last 7 days, and 154 posts were published about it in the last 72 hours. AGK Intelligence also rates the room for a newcomer here 1.18/4.
Top Testing & observability tools
sandbox-mcp
A lot of people don't realize that Windows has a built-in feature called Windows "Sandbox" that boots up a brand new virtual Windows machine in seconds. So I ma
Introducing Vercel CI
Vercel CI is in Beta. It runs only the checks your change affects, on compute sized to the push, using the Turborepo config you already have.
Antithesis
Hello. We’re just gonna keep closing the loop with coding agents until the loop doesn’t exist anymore.
Dagger
Run Dagger checks natively in Entire, a new Git forge for agents and humans. As agents develop, the same checks run before and after push, with a shared cache.
Logging Sucks
Why traditional logging fails and how wide events can fix your observability
runner-up
GitHub Actions runners on your own machines, one fresh container or VM per job. Completely eliminate your cloud CI bill. - kunchenguid/runner-up
Vercel
You can now use Vercel CI standalone. It is not longer a requirement to have a Vercel project as a pre-requisite
e2e
Next generation e2e testing framework for web and mobile apps. - tester-army/e2e
Product updates
New updates and product improvements
evlog
is now downloaded more than 1 million times a week.
bombadil
Major updates: Faster and more robust quiescence detection in browser driver (#338) Add option to virtualize time in Chrome (#340) Minor updates: Update…
Buildkite
Buildkite’s core app is built on Rails, and they’re longtime supporters of the Ruby community. Get to know Buildkite
compare.py
Simulations
Test agent changes against real production scenarios to understand their impact on behavior, latency, and cost before you merge.
Welcome
Welcome - cargo-mutants
ruff
An extremely fast Python linter and code formatter, written in Rust. - astral-sh/ruff
Postman Blog
Run your first performance test in Postman by reusing an existing collection. Set virtual users, thresholds, and gate CI with the Postman CLI. Try it now.
sparkline
Self-hosted live telemetry, alerts and benchmarks for NVIDIA DGX Spark (GB10) clusters - sfxnz/sparkline
mutant-cafe
mutation testing for @EffectTS_
Capless
10× cheaper and 20× smaller than PostHog. No dashboard: your agent queries events and session replays through a fast API.
scruff, a Scala code formatter
scruff, a Scala code formatter · eed3si9n
foundry
awesome work happening in this PR by GOAT @0xalpharush
Vercel
Vercel Tracing is now generally available on all plans. Search every span with KQL in the dashboard or CLI. New Next.js 16.5 projects get tracing with no…
FAQ
Is there money in testing & observability?
AGK Intelligence rates buyer spend 3.57/4, search demand 3.31/4, sponsor budgets 2.62/4 and growth 2.7/4. Overall market score: 43/100 (#9 of 12).
What are the newest testing & observability tools?
Vercel, sandbox-mcp, Introducing Vercel CI, Antithesis, Dagger. Updated 2026-11-07 10:42 UTC.
How is this ranked?
35% money (AGK Intelligence judgment), 25% traction on X, 20% momentum over 72 hours, 10% new tools, 10% room for newcomers. See methodology.
Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 31.9k posts from 5k X accounts over the last 21 days, 9.6k tools, 12 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-11-07 10:42 UTC. Full method.