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MCP went stateless on 2026-07-28. I probed ten real servers: none implement it. Then I measured the thing that actually costs you — 145 tool definitions, 40,784 tokens, and the 30% that is one server repeating itself.
Mihai Perdum14 min read
A customer changes email domain and starts appearing twice in the reporter picker. Removing them from the project provably cannot fix it, the query that finds their tickets stays silent when it fails, and the reassign that clears them reports the wrong reason for refusing.
Gabriela Perdum11 min read
A blocks link in Jira records a relationship. On Free and Standard it reschedules nothing. Here's the engine we put behind it, the required-start rule that's easy to get subtly wrong, and what it still can't do.
Gabriela Perdum12 min read
Metal will not give you the RAM on the box, and the number it does give is not the 75% everyone repeats. I measured the three ceilings on a 96 GB Mac Studio, then measured what modern hybrid-attention models actually spend against them — including a Gemma 4 cache that quietly holds three times its own sliding window.
Mihai Perdum13 min read
A saved filter is a string, not a binding. I measured what cf[10042] actually resolves to on a destination site, and where Data Center to Cloud and Cloud to Cloud each fail silently.
Mihai Perdum13 min read
Our swarm workers kept re-reading files they had already read. Context compaction was summarising the tool output that held the file. Pasting the file into the summary does not fix it; returning the last turns verbatim does. Measured three ways on the same 27B.
Mihai Perdum12 min read
Multi-token prediction is merged in llama.cpp and still an open PR in mlx-lm. I measured both on an M3 Ultra with the same model. Every default MTP setting was slower than no MTP at all, and the runtime that deletes the MTP head outright is still the fastest thing on the box.
Mihai Perdum15 min read
You swapped the app password for an API token and Bitbucket still says app passwords are deprecated. The token is not the problem and neither are its scopes. Git is re-sending the dead credential because git only erases a stored credential on a 401, and the status code Bitbucket chose for this is 410. I measured which codes clear a credential and which do not, on git 2.50.1, against both the store helper and the macOS keychain.
Gabriela Perdum16 min read