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Sebastian AlbrechtIT & IDEAS
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Open Source · mySebbe

Code that moves things forward.

From MCP tools and agent evaluation to a digital pet. I build my own projects and improve software that others depend on.

  1. Draft
  2. Review
  3. Merge
Good changes get better together.
12My public projects
17Merged external contributions
5Upstream projects

My public projects

The toolbox.

Every project has a specific purpose. Its repository documents the code, limitations and usage.

AI, MCP & evaluation

Python

mcp-server-doctor

Checks MCP capability reports for format and compatibility issues across tools, resources and templates.

Code & documentationLicense: MIT
Python

mcp-permission-policy-tester

Flags risky permission signals in MCP descriptions and schemas. A static helper for policy reviews.

Code & documentationLicense: MIT
Python

coding-agent-eval-harness

Runs reproducible coding-agent tasks and checks results, timeouts and error output.

Code & documentationLicense: MIT
Python

context-budgeter

Ranks repository files for a task and token budget, putting relevant context first.

Code & documentationLicense: MIT
Python

agent-trace-lite

Records agent spans and events as JSONL, then summarises timing and execution traces.

Code & documentationLicense: MIT

Development & quality

Python

prompt-tool-log-redactor

Masks common secret and personal-data patterns in text and JSONL logs before sharing.

Code & documentationLicense: MIT
Python

lockfile-change-explainer

Explains dependency changes and highlights relevant risks in lockfile diffs.

Code & documentationLicense: MIT
Python

maintainer-inbox-triage-cli

Triages local GitHub issue and pull-request data using maintenance signals, without modifying GitHub entries.

Code & documentationLicense: MIT
Python

oss-repo-launch-doctor

Checks licensing, documentation and repository essentials for a clear open-source release.

Code & documentationLicense: MIT
Python

contributor-sandbox-generator

Suggests devcontainer, Dockerfile and Compose configurations to help contributors get started.

Code & documentationLicense: MIT

Workflows & experiments

Python

codex-sync-kit

Makes selected Codex settings on Windows recoverable through a private GitHub vault, with previews and protective filters.

Code & documentationLicense: MIT
PowerShell

malou-codex-pet

Malou as an animated companion for Codex and ChatGPT Web: original artwork, 16 look directions and a public package.

Code & documentationCode: MIT · artwork: CC BY-NC 4.0

Upstream

Changes that made it upstream.

17 pull requests I authored were merged into five external repositories: fixes, tests, features and documentation. Verified on 5 October 2026.

Good bug reports are contributions too.

The Cyber register collects public reports and vendor fixes, including work involving Tarsnap, NodeBB and OpenMPTCProuter. It identifies discovery, my own code and vendor changes separately.

Explore the work register

From idea to implementation

What are you working on?

A system, a project, or simply a good question. Let’s talk.

Get in touch