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Case file · one engineer · opened 2024
Eighteenyears,filed asevidence
Crowd Wisdom S.L.
evidence, not claims
evidence, not claims
Fixed-scope 0→1 AI builds in two to six weeks, in your stack, no lock-in. One engineer: the one you talk to is the one who ships it.
scroll to read the file
Fixed-scope 0→1 AI builds
two to six weeks
your stack, no lock-in
Germany & EU
two to six weeks
your stack, no lock-in
Germany & EU
Crowd Wisdom is a one-person AI engineering studio. The engineer you talk to is the engineer who ships it: Gabriel Michels — eighteen years in software, six at Choco, four of them as Director of Engineering.
What people bring
A corpus — contracts, tickets, documentation — that search returns nothing useful from.
A prototype that demos well and has never survived contact with real data.
A workflow held together by people copying between systems, that nobody owns automating.
An architecture you want a second opinion on before committing a team to it.
These are the shapes the work fits — not a client list. The studio has none yet.
Exhibit 01 · the career
18 YEARS
London · Berlin · Barcelona · Cologne. Eighteen years of shipping software, the last six of them inside a company scaling under real pressure.
CHOCO
30+
Engineers led as Director of Engineering, and the managers under them. Four of the six years.1
LEADDEV
LONDON 2023
LONDON 2023
He now designs and ships AI products end to end, alone. On larger projects a small bench of long-time collaborators joins.
Exhibit 02 · this page, as a specimen
The assistant is
not a widget.
It retrieves from the studio's own knowledge product, answers questions about the work, and books the call inside the conversation — on a hand-built booking stack over the Zoho Calendar API. Built rather than bought, because that is the demonstration.
The tags under each answer are the chunks it actually used. Interrupt it any time — type your own question and it stops performing.
Margin · live assistantretrieving · Kiori
You
Can he actually build this alone?
Four products shipped with no second engineer — Kiori, raum-temperatur.de, Claro and the tooling. Before that, four years directing 30+ engineers at Choco — so the judgement calls come from reviewing a lot of other people's architecture too.
↳ choco.md · 2018–2024↳ kiori.co · production
You
What does a two-week build actually include?
The scoping week is its own thing: €2,500, one week, ending in a written document that says what gets built and what it will not do. You keep it either way, and it comes off the build price in full. The build itself starts at €12,000 — two to six weeks, fixed scope, working software in your repo every week, handed over documented. No retainer, no lock-in.
↳ process/scope-doc.md
Book 30 minutes
checking the calendar…
Exhibit 03 · in productionkiori.co ↗
Kiori
AI knowledge workspace. A custom RAG pipeline with multi-agent orchestration across 50+ tools. EU-hosted, GDPR-first — and what the assistant above retrieves from.
TypeScript · Next.js · Firestore · Qdrant
01 · embeddings
02 · hybrid search
03 · reranking
04 · citation extraction
Exhibit 04 · in productionraum-temperatur.de ↗
Raumtemperatur
600+analyses run for homeowners across Germany
German heating law changed twice in eight days in July 2026 — the exchange obligation and the 65% renewables rule struck, the Klimageschwindigkeits-Bonus cut from 20% to 16%, förderfähige Kosten from €30,000 to €28,000. Recalculated and live here by 7 August 2026, while much of the German web still publishes the old law.
Eight heating options over fifteen years, against real BEG and KfW figures, regional installation pricing, CO₂ pricing, Heizlast and JAZ — every value carrying its source and a confidence level. Nothing is sold to installers.
React · Fastify · DDD · Firebase
01 · report12-page PDF
02 · accessno account
03 · independenceno commission
04 · hostingFrankfurt, EU
Exhibit 05Also built · open what is still updense on purpose
raum-temperatur.de
open ↗Shown in full above. Behind the free report sits an installer marketplace.
React · Fastify · DDD · Firebase
Claro
shipped, since retiredConversation-first translation across 60 languages, with real-time transcription and speech. Shipped to the App Store and Play Store, and taken down since — the build stands, the listing doesn't.
Flutter · Firebase · OpenAI · ElevenLabs
worktrunk · lindo · MCP
worktrunk orchestrates git worktrees; lindo is a markdown reader with real editorial typography. Plus custom MCP servers wiring agents into mail, calendars and internal data, with read-only guarantees where they matter.
Tauri v2 · Rust · React
Exhibit 06 · how the work runs
Step 1 · scoping week
One week, €2,500 fixed. It ends in a written document saying what gets built, what it touches and what it will not do. Yours either way — and credited in full against the build if one follows.
Step 2 · build sprint
Two to six weeks, fixed scope, in your environment. Working software every week. No status decks.
Handover
Into your repository, documented and deployed. No lock-in.
Scoping week
€2,500
fixed · credited against the build
Build sprint
from €12,000
two to six weeks · fixed scope
Advisory
€1,400 / day
half-day minimum
All prices net. Plus VAT — EU B2B invoiced under reverse charge.
Exhibit 07
writing, on the studio's
own domains
writing, on the studio's
own domains
- kiori.coWhy AI Hallucinates on Rules and Documentation (And Why That’s Not a Bug)read ↗
- raum-temperatur.deDas Heizungsgesetz ist reformiert. Was jetzt wirklich für dich gilt.lesen ↗
- kiori.coWhat Multimodal Embeddings Actually Change for Knowledge Systemsread ↗
Exhibit 08 · what happens nextfixed scope · no lock-in
Ask it anything.
Then take thirty minutes.
The assistant above answers from the studio's own corpus and books the call inside the conversation. It starts with the scoping week — €2,500, one week, and the document is yours either way.