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🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
827
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Adam Marcus
Known for
13 views
Just posted "Four questions agents can't answer: Software engineering after agents write the code"
We're dedicating a lot of brain space to what coding agents can do, but it's equally important to consider what they won't accomplish for years to come.
Lots of work and mentorship to do in this space!
https://blog.marcua.net/2026/02/25/four-questions-agents-cant-answer
9 views
Late last year, I gave a talk at Northeastern to students in a few software engineering classes about what's changing and what's staying the same for junior engineers in industry with the introduction of coding agents. Slides and notes here: https://blog.marcua.net/2026/04/08/ai-agent-revolution-junior-software-engineers
2 views
New blog post! In "Authorize, don't authenticate," I argue for the elimination of the login screen in applications that manage your personal data. You should be authorizing apps to access your data, not logging in for the privilege of handing it over!
The blog post talks to some of the principles of applications that leave you in control of your data, and includes a video of the "authorize an appl
2 views
For designers to work outside a codebase, you have to keep wireframes and implementation in sync. To that end, I'm sharing Figmimic, a bookmarklet that copies any website or webapp into Figma in an editable state.
Try it: https://marcua.net/minitools/figmimic/
Blog post with more context: https://blog.marcua.net/2026/05/05/figmimic
📊 Post engagement
Recent posts · likes + reposts
Feb 26latest
4
Avg engagement / post
2–7
Typical post (engagement)
0.5%
Engagement vs followers
60/100
Consistent reach
Dec 2022
On Mastodon since
Half of recent posts land between 2 and 7 likes + reposts (median 2) — a dependable floor a sponsored post can count on.
🔥 Top post: Just posted "Four questions agents can't answer: Software engine · 13 likes + reposts
📊 Activity & format
Posting cadence
0.46 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 6 text · 4 image · 2 video.
Follower / following
5.9×
Follows 141 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Mastodon ↗
🔥 Top post
Just posted "Four questions agents can't answer: Software engineering after agents write the code"
We're dedicating a lot of brain space to what coding agents can do, but it's equally important to consider what they won't accomplish for years to come.
Lots of work and mentorship…
▶
New blog post! In "Authorize, don't authenticate," I argue for the elimination of the login screen in applications that manage your personal data. You should be authorizing apps to access your data, not logging in for the privilege of hand…
Any data engineers in my network looking for a short-term contract setting up a Databricks-based ingestion/analysis pipeline? Would be for an academic lab studying the platform economy in collaboration w/ NYC gov. Happy to connect you!
I'm starting virtual office hours for anyone who is a new/soon-to-be professional in software engineering/product management/design. I'm excited to learn from and give my opinion on questions and experiences participants have in these inte…
Dear New York: Today is the day to work through the uncertainty and make some compromises. Go vote!
▶
For designers to work outside a codebase, you have to keep wireframes and implementation in sync. To that end, I'm sharing Figmimic, a bookmarklet that copies any website or webapp into Figma in an editable state.
Try it: https://marcua.ne…
Also our monorepo has been called `crowdsurfing` since 2015, so.
A fine use of CLAUDE.md: a coworker instructed their agent to use Ska bands as example constants in tests. If you're wondering, the examples are geographically spread across the US (not internationally) and the later waves of Ska. They wil…
Late last year, I gave a talk at Northeastern to students in a few software engineering classes about what's changing and what's staying the same for junior engineers in industry with the introduction of coding agents. Slides and notes her…
I've never built anything for a decade professionally, but here we are! https://blog.marcua.net/2026/03/12/b12-30
If you find yourself in Las Vegas, The Punk Rock Museum is a pretty good place to go!
It's like 50% nostalgia for whatever 1-2 decades of punk you liked, 50% stuff Fat Mike / NOFX liked or collected.
As an aside: I've never closely read the thinking and tool call transcripts of a Claude Code session before, and I found @simon 's https://github.com/simonw/claude-code-transcripts to be incredibly helpful in that. Screenshots in the blog …
🐘 Community & instance
Home server
hachyderm.io
A tech & engineering server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Dec 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 4 views per post.
📤Posts about 0.5× per week.
🕵️ Fake follower check
Estimated52/100
Fair
Credibility score
76%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 76% real, active audience · Medium fake-follower risk.
- Low engagement (~0.5% of followers engage each post) — a sign of an inflated or inactive audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Hummus, people, and data. Co-Founder & CTO of B12. Previously Locu, MIT CSAIL. He/him.
📸 Gallery
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Adam Marcus has 827 followers on Mastodon.
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