An AI agent scheduled our reels in one evening: the loop, and one rule — nothing goes out unseen
On 8 November 2026 an AI agent put three reels on four Mellow Hub profiles as eight posts: whoami, validate, create with an idempotency key, read back.
What a social media API should give an AI agent: seven gaps we measured in our own
Our agent scheduled 38 posts through Mellow Hub’s MCP server. What worked, seven gaps we found in our own API, and a checklist for any publishing API.
Shipping a signed Mac menu-bar app with widgets: 14 releases in 16 days, updates included
How we shipped Mellow Hub for Mac from 23 October to 7 November 2026: Developer ID, notarisation, Sparkle updates and the restart bug we found.
Listen to this post · 1:39
Free posts or a card trial? Where people stopped at our SaaS paywall
We swapped three free posts for a 7-day card trial on 3 November 2026: 9 of 16 new people opened checkout, and none typed a card.
Listen to this post · 1:18
Sorting photos on the device with CLIP in the browser: 80% right in fp32, 5% in 8-bit
How Cerebro sorts a photo folder in the browser with MobileCLIP-S0, why its 8-bit weights got 24 of 451 right, and what fp32 scored on 3 November 2026.
Listen to this post · 1:46
760 sign-ups in a month, almost all bots: how we spotted them and what a captcha changed
Most of our email sign-ups in autumn 2026 were bots from Tor and one UK series. The signals that gave them away, and what Cloudflare Turnstile changed.
Listen to this post · 1:27
GEO is volatile: ChatGPT stopped linking our grid maker overnight, and what we changed
On 30 October 2026 ChatGPT’s visits to our grid maker fell from 74 to 26 a weekend, and to zero from the US and UK. How we checked it and what we changed.
Listen to this post · 1:40
How we passed Meta’s App Review for Instagram DMs, and what comment-to-DM needed
Comment-to-DM needed instagram_business_manage_messages, despite Meta’s reference. What we filed, the 13-day review and what approval unlocked.
Listen to this post · 1:35
Reddit in 2026: why our scheduler prepares the post and a person presses Post
Reddit is closing its public API. On 23 October 2026 we added Reddit to Mellow Hub so that Hub prepares the post and a person publishes it.
Listen to this post · 1:22
Publishing Threads reply chains through the API: how we built it and what went live
A post and its own replies, published by code: how reply_to_id chains work, why our provider could not do it, and two native 4-part threads on 23 October 2026.
Listen to this post · 1:26
Letting an AI agent post to social media: the limits we set, and what still went wrong
How we hand posting to Claude and ChatGPT: chosen accounts, review or autopilot, a daily ceiling, an expiry, a journal and revocation, tested live.
Listen to this post · 1:28
Instagram trial reels through the API: the follower floor and the strict flag we added
Instagram refused trial reels to a 43-follower account with a “permission” error. What that means, the 200-follower rule we set, and the opt-in fallback.
Listen to this post · 1:29
Scheduling a YouTube video through the API: private until publishAt, and how we show it
A video uploaded private with publishAt is already ‘published’ to any API. How we scheduled videos this way in October 2026 and made Hub show them as scheduled.
Listen to this post · 1:25
SEO for a brand-new domain: we published hundreds of pages, Google indexed a fraction
From September to November 2026 we put 500+ addresses in a new domain’s sitemap and Google indexed 53. What moved instead: AI crawlers, hand requests, links.
Listen to this post · 1:24
Localising free tools by the phrase people search in each country, not by translating
On 15 October 2026 we put our free tools in nine languages, each named after the local search phrase. How we found the phrases and what happened next.
Listen to this post · 1:51
How we make AI avatar reels: a HeyGen twin, an ElevenLabs voice, montage in code
How we make AI avatar reels in two languages: one voice take, one HeyGen video, montage in code, scheduled over MCP, with the credits it costs and the views.
Listen to this post · 1:35
A faceless YouTube channel at near-zero cost: map tours drawn in code, and what they got
We built a voiceless map-tour channel drawn entirely in code: 9 videos, 5,881 views and 15 subscribers by 2 November 2026, and what retention taught us.
Listen to this post · 1:31
Our English voice clone sounded robotic: what we measured and what fixed it
Our English HeyGen voice clone had a 2.5-semitone pitch range and 0.2 % of its energy above 4 kHz. What we measured, what failed and what fixed it.
Listen to this post · 1:26
Why ChatGPT can’t count characters, and the loop that fits captions to every network
On 10 October 2026 ChatGPT wrote 1,981 characters when asked for under 1,500. How we fit captions instead: a model writes, code counts, it retries.
Listen to this post · 1:30
How two free browser tools started getting visitors from ChatGPT: the numbers by day
In October 2026 two of our free browser tools went from 1–3 visitors a day to 33, much of it from ChatGPT links. Why those two, and what did not convert.
Listen to this post · 1:20
One post to ten networks: what breaks when you cross-post, and how a validator catches it
Pinterest refused 188 of our captions on 8 October 2026. What breaks a cross-post, from limits to titles and media, and how Hub now fits each network.
Listen to this post · 1:35
Re-voicing a finished avatar video with ElevenLabs speech-to-speech, lip sync intact
How we swapped the voice of finished HeyGen avatar reels with ElevenLabs speech-to-speech: words stayed within 0.06 s, so no new video was needed.
Listen to this post · 1:26
Publishing 11 AI-made reels to 9 networks on a schedule: 55 posts, what went out on time
Eleven reels written, voiced and animated by AI went out as 55 posts in October 2026: on time everywhere but LinkedIn, with the views per network after a week.
Listen to this post · 1:38
Meta ads for a SaaS: our kill rule, a “30% CTR” that was hook rate, and what we learned
Our Meta tests for Mellow Hub, Sept–Oct 2026: a $1-a-click kill rule, why 30% CTR was hook rate, and 50 sign-ups, 3 trials, 0 paid for $297.88.
Listen to this post · 1:50
Why we never stitch AI voice takes: one uncut take, and what joins did to intonation
On 11 October 2026 three avatar reels with stitched AI voices were rejected by ear. Recorded again as one uncut take each, they were approved the same day.
Listen to this post · 1:33
Posting to Telegram channels through our own bot, with a single admin right
How we built Telegram publishing on our own bot: one right in the channel, a 13-second connection, eight live posts with no retries, and what failed.
Listen to this post · 1:18
ChatGPT on autopilot for a social profile: what it posted and what we changed
On 5 October 2026 ChatGPT got autopilot on one of our profiles. It scheduled five carousels, added an AI label and a link, and taught us four things.
Listen to this post · 1:18
Why our TikTok API posts were private, and what TikTok’s audit changes
Seven API uploads reached nobody, though TikTok said “public”. The cause was the account’s region, not the audit. How we proved it, step by step.
Listen to this post · 1:29
Publishing from Claude and ChatGPT through an MCP server: what we tested live
From 20 September to 14 October 2026 we published through Mellow Hub’s MCP server from Claude, ChatGPT and other clients: first posts, schedules, refusals.
Listen to this post · 1:21
The YouTube upload quota is shared by every user of an app: what it did to our 56 reels
On 1 October 2026 YouTube refused our scheduled reel because a shared Google app had spent its 100 daily uploads; the two limits involved and what we changed.
Listen to this post · 1:24
Designing reels so the app’s buttons never cover the words: safe zones per network
On 30 September 2026 Instagram was covering our reels’ captions. The zones we design to now, the official Meta and Google figures, and the automated check.
Listen to this post · 1:58
Cutting UGC reels from phone clips on the beat: a 17-second structure and hook variants
How we cut 17-second UGC reels from iPhone clips of a Mac app: hard cuts on the beat, one POV hook, three hook variants, and what publishing them taught us.
Listen to this post · 1:29
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Every change to Mellow Hub worth knowing: new features, networks, free tools, comparisons and Hub for Mac releases, and what each means for you.