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Manuel Rivero

Manuel Rivero

Mastodon @[email protected]
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🔄 Data last refreshed 20 days ago
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Make a deal with Manuel Rivero

🔒 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 Manuel Rivero 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
84
Account age
3 yrs
🎁 Free analysisfor Manuel Rivero
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

In which we summarize the idea that not all surviving mutants signal testing gaps: 🚫 Ignore survivors in dead code or intentionally untested paths (legacy seams) 🧹 Some survivors signal refactoring opportunities ✅ Some survivors uncover real testing gaps https://codesai.com/posts/2026/02/relevant_mutants_in_a_flash5 views In which we summarize the idea that not all surviving mutants signal testing gaps: 🚫 Ignore survivors in dead code or intentionally untested paths (legacy seams) 🧹 Some survivors signal refactoring opportunities ✅ Some survivors uncover real testing gaps https://codesai.com/posts/2026/02/relevant_mutants_in_a_flash 🤖 In which we used AI to introduce a decorator and simplify the tests🧩 🗣️ Design-pattern vocabulary may help guide AI transformations ✅ But tests, linters and reviews are still essential Refactoring with AI: Lessons in Introducing a Decorator Pattern https://codesai.com/posts/2026/03/ai-refactor_to_decorator4 views 🤖 In which we used AI to introduce a decorator and simplify the tests🧩 🗣️ Design-pattern vocabulary may help guide AI transformations ✅ But tests, linters and reviews are still essential Refactoring with AI: Lessons in Introducing a Decorator Pattern https://codesai.com/posts/2026/03/ai-refactor_to_decorator 🧪In which we showed that for the London-school TDD, the unit is behavior, not the class 🚫Mocking every collaborator creates brittle tests coupled to implementation details ✅GOOS recommends mocking only peers, not values or internals 📘 Read it: https://codesai.com/posts/2025/03/mockist-tdd-unit-not-the-class3 views 🧪In which we showed that for the London-school TDD, the unit is behavior, not the class 🚫Mocking every collaborator creates brittle tests coupled to implementation details ✅GOOS recommends mocking only peers, not values or internals 📘 Read it: https://codesai.com/posts/2025/03/mockist-tdd-unit-not-the-class 🤖 In which we show that blindly killing all mutants with AI can make your tests worse💸: - brittle assertions - duplicated tests - mocked types we don't own 💡Some surviving mutants should be killed with refactoring, not testing 🧠HIL still required! https://codesai.com/posts/2026/04/agents-blindly-killing-mutants3 views 🤖 In which we show that blindly killing all mutants with AI can make your tests worse💸: - brittle assertions - duplicated tests - mocked types we don't own 💡Some surviving mutants should be killed with refactoring, not testing 🧠HIL still required! https://codesai.com/posts/2026/04/agents-blindly-killing-mutants

📊 Post engagement

3
Avg engagement / post
3.6%
Engagement vs followers
Nov 2022
On Mastodon since

🔥 Top post: In which we summarize the idea that not all surviving mutants si · 5 likes + reposts

📊 Activity & format

Posting cadence
1.6 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 2 text · 10 image · 0 video.
Follower / following
0.4×
Follows 221 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post In which we summarize the idea that not all surviving mutants signal testing gaps: 🚫 Ignore survivors in dead code or intentionally untested paths (legacy seams) 🧹 Some survivors signal refactoring opportunities ✅ Some survivors uncover real testing gaps https://codesai.com/post… ★ 5
Books I read (January - June 2026) https://garajeando.blogspot.com/2026/07/books-i-read-january-june-2026.html Muy interesante y necesaria: Que no quiero más IA, señora, suélteme el brazo de Jorge Castaño https://www.youtube.com/watch?v=TbEemCIGPnI Visual summary of our post Roots of the Mock Trauma https://codesai.com/posts/2026/04/roots_of_the_mock_trauma_in_a_flash ★ 2 In which we show mock trauma 🤕 is a symptom usually caused by: 🏗️ Poor design: procedural code, too many responsibilities, fragile interfaces 🤔 Misuse: mocking value objects, internals, third-party types, or treating classes as units ❌ Don… ★ 2 Books I read (January - May 2026) https://garajeando.blogspot.com/2026/06/books-i-read-january-may-2026.html 🧪In which we showed that for the London-school TDD, the unit is behavior, not the class 🚫Mocking every collaborator creates brittle tests coupled to implementation details ✅GOOS recommends mocking only peers, not values or internals 📘 Read… ★ 3 🤖 In which we show that blindly killing all mutants with AI can make your tests worse💸: - brittle assertions - duplicated tests - mocked types we don't own 💡Some surviving mutants should be killed with refactoring, not testing 🧠HIL still r… ★ 3 Has AI Conquered Coding? (It’s Not So Simple…) https://www.youtube.com/watch?v=SOKfVVOq-Ck 🤖 In which we introduced a State Pattern with AI to remove code smells 🧩 🗣️ Explicit transition table & design-pattern vocabulary helped guide the agent ✅ AI accelerated structural transformation, still deterministic IDE refactorings faste… ★ 3 🤖 In which we used AI to introduce a decorator and simplify the tests🧩 🗣️ Design-pattern vocabulary may help guide AI transformations ✅ But tests, linters and reviews are still essential Refactoring with AI: Lessons in Introducing a Decora… ★ 4 Apúntate al curso abierto de TDD que daré junto con @fran_reyes ! 🚀 8, 9, 10, 15 y 16 junio de 10 a 14 (hora peninsular) https://codesai.com/curso-de-tdd/ Descuento 50% para particulares de grupos poco representados Bonificable con FUNDAE… ★ 3

🐘 Community & instance

Home server
mastodon.cloud
A large general-interest Mastodon server. On the fediverse the server a creator picks hints at their community — this one spans all topics.
On Mastodon since
Nov 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 3 views per post.
📤Posts about 1.6× per week.

🕵️ Fake follower check

Estimated
80/100
Excellent Credibility score
97%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 97% real, active audience · Low fake-follower risk.
  • Strong engagement (~3.6% 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.

About

Not all those who wander are lost. he/him

📸 Gallery

Books I read (January - June 2026) https://garajeando.blogspot.com/2026/07/books-i-read-january-june-2026.html Visual summary of our post Roots of the Mock Trauma https://codesai.com/posts/2026/04/roots_of_the_mock_trauma_in_a_flash In which we show mock trauma 🤕 is a symptom usually caused by: 🏗️ Poor design: procedural code, too many responsibilities, fragile interfaces 🤔 Misuse: mocking value objects, internals, third-party types, or treating classes as units ❌ Don't blame the tool ✅ Design better, use the tool better See https://codesai.com/posts/2026/04/roots_of_the_mock_trauma_in_a_flash Books I read (January - May 2026) https://garajeando.blogspot.com/2026/06/books-i-read-january-may-2026.html 🧪In which we showed that for the London-school TDD, the unit is behavior, not the class 🚫Mocking every collaborator creates brittle tests coupled to implementation details ✅GOOS recommends mocking only peers, not values or internals 📘 Read it: https://codesai.com/posts/2025/03/mockist-tdd-unit-not-the-class 🤖 In which we show that blindly killing all mutants with AI can make your tests worse💸: - brittle assertions - duplicated tests - mocked types we don't own 💡Some surviving mutants should be killed with refactoring, not testing 🧠HIL still required! https://codesai.com/posts/2026/04/agents-blindly-killing-mutants In which we summarize the idea that not all surviving mutants signal testing gaps: 🚫 Ignore survivors in dead code or intentionally untested paths (legacy seams) 🧹 Some survivors signal refactoring opportunities ✅ Some survivors uncover real testing gaps https://codesai.com/posts/2026/02/relevant_mutants_in_a_flash 🤖 In which we introduced a State Pattern with AI to remove code smells 🧩 🗣️ Explicit transition table & design-pattern vocabulary helped guide the agent ✅ AI accelerated structural transformation, still deterministic IDE refactorings faster for smaller follow-up changes https://codesai.com/posts/2026/04/ai-refactor_to_state

🔀 Audience overlap

Estimated

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

Anthony Stevens Anthony Stevens 17% fernacen fernacen 17% Ryan Owens Ryan Owens 11% L0wKey L0wKey 10% ian ian 10% Rouslan Keba Rouslan Keba 10%

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Frequently asked questions

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How many followers does Manuel Rivero have?
Manuel Rivero has 84 followers on Mastodon.

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