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katsyoshi

katsyoshi

Mastodon @[email protected]
⚔ Compare ☆ Follow Own this channel?
🔄 Data last refreshed 4 days ago
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Make a deal with katsyoshi

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite katsyoshi onto your podcast (~45 min, remote) $25→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
25
Account age
3 yrs
🎁 Free analysisfor katsyoshi
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

📊 Post engagement

2
Avg engagement / post
8%
Engagement vs followers
Aug 2023
On Mastodon since

🔥 Top post: 市電LTの資料です / A Journey of Box bugs https://speakerdeck.com/katsyo · 2 likes + reposts

📊 Activity & format

Posting cadence
0.45 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
0.7×
Follows 38 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post 市電LTの資料です / A Journey of Box bugs https://speakerdeck.com/katsyoshi/a-journey-of-box-bugs #speakerdeck #rubykaigi2026_smarthr ★ 2
“Let's note に Omarchy を入れたら起動しなかった話 | polidog lab” https://htn.to/nPuRzdUMue “4. いちいち確認されてイライラする問題 → 権限設定で解決” / “Claude Code、とりあえずこれ読んどけばOKなまとめ（2026年版） - Qiita” https://htn.to/369x9tFfT7 “AI Agentに自由な開発環境を渡す、Proxmox+LXCで。” https://htn.to/6VmGnhtdf3 へー面白い/ https://rhiroe.github.io/blog/rails_query_object ここすき “*1:なおこのエントリは発表準備からの現実逃避の一環として書かれております” / “さくらインターネット入社から1年半が経ってクラウドサービスのプロダクト責任者になった - たごもりすメモ” https://htn.to/4f1NRoSr81 最近悩んでた部分の改善 https://github.com/test-unit/test-unit/pull/370 https://blog.katsyoshi.org/blog/2025/04/25/went-to-rubykaigi-2025/ ★ 1 第二弾です “Ruby::Box Hacking Guide” https://htn.to/PKLwPQU8Vz ★ 2 最近戦っている話です。 / “Ruby::Boxを使っただけなのに” https://htn.to/2HJ86gM41w ★ 1 “「KOMEHYO ONLINE」／株式会社コメ兵へのRepro Booster導入事例｜Repro（リプロ）” https://htn.to/21cPmG6SQg それはそうとどうやってみなさん大洗まで行くんですかね？

🐘 Community & instance

Home server
ruby.social
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Aug 2023
An established account with real history on the platform.

💡 Facts

🗓️Joined Mastodon in 2023 — 3 years ago.
👁️Averages 2 views per post.
📤Posts about 0.5× per week.

🕵️ Fake follower check

Estimated
76/100
Good Credibility score
97%
Real Real audience
Low Fake-follower risk
Medium Data confidence
  • Est. 97% real, active audience · Low fake-follower risk.
  • Strong engagement (~8.0% of followers engage each post) — an active, real audience.
  • Established account (3+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

Volus_dude Volus_dude 17% Loborex Comisiones Abiertas Loborex Comisiones Abiertas 17% Lu Maltsis :3c Lu Maltsis :3c 16% 知耻而未勇😞 知耻而未勇😞 16% Dickpoo Dickpoo 15% ふとん ふとん 11%

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Mastodon ＋
Lu Maltsis :3c
Lu Maltsis :3c ✓
@[email protected]
25 Followers
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Volus_dude
Volus_dude
@[email protected]
25 Followers
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Dickpoo
Dickpoo
@[email protected]
25 Followers
Mastodon ＋
Loborex Comisiones Abiertas
Loborex Comisiones Abiertas
@[email protected]
25 Followers
Mastodon ＋
ふとん
ふとん
@[email protected]
25 Followers
Mastodon ＋
知耻而未勇😞
知耻而未勇😞
@[email protected]
25 Followers

Frequently asked questions

How much does katsyoshi charge for a sponsorship?
katsyoshi hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact katsyoshi for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify katsyoshi, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does katsyoshi have?
katsyoshi has 25 followers on Mastodon.

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