Based on 5 reviews
David Belschak is a self-taught independent builder based in Lisboa who creates his own software tools, having shipped two apps used daily and maintaining ten open-source repositories.
The business focuses on AI-related projects, including a Claude Code setup called 'claude-agent-team' that turns Claude Code into an agent team with specialist personas for finance, travel, training, and research.
To get started, users can clone the 'claude-agent-team' repository using the provided git command, which sets up an orchestrator that routes to specialist personas with backlog files that survive context clears.
The 'web-research-cascade' skill is a Claude Code feature that stops an agent from silently reading the wrong source by using four fetch stages from plain WebFetch to a logged-in browser.
The 'repo-audit' skill reads third-party code for red flags before installation, checking maintainer reputation, install hooks, obfuscation, exfiltration patterns, and prompt injection in agent-facing files.
The 'strava-withings-sync' Python CLI tool syncs Strava activities and Withings health data into Notion, reconstructing heart rate from a watch's intraday stream when services fail to merge it.
The business operates under an MIT license, and all skills and tools are extracted from the builder's own daily setup, including the agent team it runs on.
The website states the builder is fascinated by AI and builds tools he wishes existed, then uses them every day until they earn their place.
The 'repo-audit' tool outputs a verdict with evidence, such as 'SAFE-WITH-CONDITIONS' when there is no license, requiring the user to pin the commit.
The 'strava-withings-sync' tool is built using only standard library Python and is designed to run from cron.
The 'web-research-cascade' rule states that when a source blocks, the fetch must escalate; never swap the source for a weaker one just because that one loads.
The 'claude-agent-team' includes a hiring workflow for domains that have no owner yet, in addition to the specialist personas.
The official website of David Belschak · Independent builder is belschak.dev.
On Trustburn, David Belschak · Independent builder has a rating of 4.4 out of 5 based on 5 reviews.
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The tools seem highly convenient for specific workflows, especially the agent team and research cascade. However, the reliance on specific setups like Claude Code might limit broader appeal. It is great for those already in that ecosystem, but the niche focus means it may not suit everyone looking for general-purpose software solutions.
From the information available, the range of tools developed by David Belschak is quite impressive. The portfolio includes a Claude Code setup for creating an agent team, a web research cascade to prevent silent reading errors, and a repo audit skill for vetting third-party code. There is also a Python CLI for syncing Strava and Withings data into Notion, and Google Maps skills for researching cities. Each tool addresses a specific daily need, from finance and travel to research and design handoffs. The emphasis on reading real source code and knowing what you run adds a layer of trust. The fact that these are extracted from a daily personal use setup suggests they are battle-tested. The variety covers both development assistance and personal data management, showing a broad yet focused skill set.
The agent team setup looks incredibly convenient for managing daily workflows. Having an orchestrator that routes to specialist personas saves so much time. It is exciting to see such practical applications derived from a solo builder's daily needs.
The website highlights a self-taught builder who ships apps in daily use. This direct approach to creating tools for everyday life suggests reliable availability. The clear distinction between prototypes and finished products is reassuring for potential users looking for stable, open-source solutions.
Reading through the available information, David Belschak presents a disciplined approach to building software tools he uses daily. The focus on self-taught independence and shipping actual applications rather than prototypes is notable. The open-source repositories show practical utility, from agent teams to data syncing. However, the scope seems niche, relying heavily on specific workflows. It is a balanced view of a developer who prioritizes functional, daily-use tools over broad commercial appeal, offering clear value to those needing precise, self-hosted solutions.
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David Belschak is an independent builder based in Lisboa who creates his own software tools. He has shipped two apps that he uses daily and maintains ten open-source repositories. His work focuses on AI-related projects, including a Claude Code setup called "claude-agent-team" that turns Claude Code into an agent team with specialist personas for areas such as finance, travel, training, and research. He describes himself as a self-taught builder in the discipline of business and software, and he shares his open-source work under an MIT license with associated case studies documenting each project.