engineering

19 Sept 2026	Give your agent Telegram in five lines of config Six of the eighteen Telegram servers in the official MCP registry ask you to log in as yourself. To read public channels you need a config block and a key.
18 Sept 2026	Over ten thousand files handle FLOOD_WAIT. Stack Overflow has one question about it Every Telegram project meets this timer, and almost nobody writes down what they learned. Here is what FLOOD_WAIT actually means and why retrying makes it longer.
17 Sept 2026	Telethon is alive on Codeberg. Its GitHub repo has been archived since February Telethon did not die. It moved — and the GitHub page every tutorial still links to has been archived since February.
16 Sept 2026	The channel whose username is an empty string Ask for @durov and the username field comes back as "". Not null, not missing — the six real handles moved into an array, and only one of them belongs in a link.
16 Sept 2026	The comments on a Telegram post are not on the post They live in a linked discussion group with their own message ids, and a channel can have them on for one post and off for the next.
5 Sept 2026	A health check that returns 200 while everything else fails The liveness probe answered fine for an hour while every real endpoint returned 503. That is worse than having no probe.
5 Sept 2026	Why a Telegram bot cannot read the channel you want The Bot API is a permission boundary, not a missing feature. No amount of work gets you around it.