No written verdict yet. Here is what commenters said.

7recommend
3warn against
Nov 9, 2025first mention
Oct 22, 2026latest mention
Nov 25 – Oct 26
Used forinspecting claude code system promptshttp traffic interceptionintercepting claude code trafficintercepting app trafficcapturing agent system promptproxy for agent api key isolation

Why people recommend it

“mitmproxy is an amazing cli powertool I first discovered over a decade ago”

Show 3 more

“I think it's a useful exercise for most people to sniff the traffic at least once”

“I think it's a useful exercise for most people to sniff the traffic at least once”

“just tell the agent to setup an mitmproxy to watch the traffic”

Caveats and dissent

“mitmproxy doesnt check it even when ssl_insecure=false”

Show 1 more

“until they changed all they keybindings around version 2”

Often compared with

Who recommends it in their own words

From the makers not counted in the ranking

“Release is out now, including a blog post at https://www.mitmproxy.org/posts/releases/mitmproxy-12.3/.”

“I didn't expect this commit to end up on HN”

All comments 24

“mitmproxy is an amazing cli powertool I first discovered over a decade ago”

“I was running a little mitmproxy network test”

“You can extract keys out of Authy using mitm-proxy.”

“I think it's a useful exercise for most people to sniff the traffic at least once”

“I think it's a useful exercise for most people to sniff the traffic at least once”

“just tell the agent to setup an mitmproxy to watch the traffic”

“I used mitmproxy (setup assisted by Claude, natch) to capture Claude Code's entire initial system prompt”

ysnpMar 3, 2026recommends

“you (and any GrapheneOS user) can do it today with mitmproxy and RethinkDNS”

“mitmproxy doesnt check it even when ssl_insecure=false”

Looks like it's implemented that way already? https://github.com/jmuncor/sherlock/blob/fb76605fabbda351828ebc0e042f03d13caee502/sherlock/interceptor.py#L17

“It's not fully working for all workflows yet. But it's getting close”

“For me, HAproxy is smaller and faster than mitmproxy”

“I have had great experience scripting and running”

“mitmproxy isn't the gold standard; it is Burp Suite, sadly.”

“until they changed all they keybindings around version 2”

“The closest free alternative is https://www.mitmproxy.org/ that is not even close.”

“I got different results using a local mitmproxy on a clean install.”

“not just the HTTP calls (like you would see with mitmproxy)”

“then I found out about: https://www.mitmproxy.org/”

Threads where it came up

Data: mitmproxy.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.

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