Working with JSON data in iRules - Part 1

When TMOS version 21 dropped a few months ago, I released a three part article series focused on managing MCP in iRules. MCP is JSON-RPC2.0 based, so this was a great use case for the new JSON comman...
Published Feb 19, 2026
Version 1.0
application delivery
devops
iRules
JSON
JRahm's avatar
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Christ Follower, Husband, Father, Technologist. I love community and I especially love THIS community. My background is networking, but I've dabbled in all the F5 iStuff, I'm a recovering Perl guy, and am very much a python enthusiast. Learning alongside all of you in this accelerating industry toward modern apps and architectures.
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Kai_Wilke
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Feb 26, 2026

Hi Jason,

I'm asking for a friend:

Is it still state of the art in Y2026 to use VS Code to upload / change iRule code, then use Curl/Pty/Postman to perform HTTP requests with a given payload and then tail the outcome out of an LTM logfile? Then rinse repeat a couple 100 times to make it work? There should be a more elegant way to deal with JSON... ;-)

Cheers, Kai