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ContextRot
Find out where your coding agent starts degrading.
Coding agents get worse as context fills—but where’s your threshold? contextrot is a local CLI that analyzes Claude Code and OpenCode sessions to find degradation patterns, compare models, estimate the cost of degraded steps, and generate actionable reports. One command, zero network access: `uvx contextrot` v0.4.0 adds reversal-count analysis to test whether rot depends on what's in your context, not just how full it is.
I built contextrot because my coding agent felt worse in longer sessions, but I had no idea if that was actually true. Turns out the data was already sitting in my local Claude Code logs, so I built a CLI to analyze it.
Funny enough, my own 26k steps show no measurable rot. Other users have seen clear degradation around 50–70% context fill.
The community has already added OpenCode support and reversal analysis, which I definitely didn't expect in the first week.
Everything runs locally. Just:
`uvx contextrot`
Would love to see what your curve looks like ,and happy to answer anything!
Ran `uvx contextrot` on a long claude code session and the reversal count analysis immediately flagged a stretch where I had pasted in a bunch of unrelated snippets. That single insight was worth the install.
About ContextRot on Product Hunt
“Find out where your coding agent starts degrading.”
ContextRot was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #73 on the daily leaderboard. Coding agents get worse as context fills—but where’s your threshold? contextrot is a local CLI that analyzes Claude Code and OpenCode sessions to find degradation patterns, compare models, estimate the cost of degraded steps, and generate actionable reports. One command, zero network access: `uvx contextrot` v0.4.0 adds reversal-count analysis to test whether rot depends on what's in your context, not just how full it is.
ContextRot was featured in Open Source (68.6k followers), Analytics (172.7k followers), Developer Tools (515.5k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 128.2k products, making this a competitive space to launch in.
Who hunted ContextRot?
ContextRot was hunted by Priyanshu Doshi. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Priyanshu Doshi
Hey everyone, maker here 👋
I built contextrot because my coding agent felt worse in longer sessions, but I had no idea if that was actually true. Turns out the data was already sitting in my local Claude Code logs, so I built a CLI to analyze it.
Funny enough, my own 26k steps show no measurable rot. Other users have seen clear degradation around 50–70% context fill.
The community has already added OpenCode support and reversal analysis, which I definitely didn't expect in the first week.
Everything runs locally. Just:
`uvx contextrot`
Would love to see what your curve looks like ,and happy to answer anything!