---
title: "Blog — Arne Kellmann"
description: "Published Arne Kellmann website information and agent integration guidance."
canonical: https://arnekellmann.de/blog
last-updated: 2026-09-26
---

# Blog — Arne Kellmann

- [MCP or WebMCP: where a contact agent should stop](https://arnekellmann.de/blog/mcp-webmcp-contact-draft): An agent can read services and fill a visible contact draft. This website separates that preparation from consent, server verification and message delivery, with specific limits for retries.
- [NuroStride: your running coach needs context](https://arnekellmann.de/blog/nurostride-your-coach-needs-context): Try NuroStride’s profile setup for free, then decide whether to buy the coaching kit. See what goes into the ZIP and what your own AI environment does with it.
- [ChrisGuard: why the phone cannot be the alarm](https://arnekellmann.de/blog/chrisguard-why-the-phone-cannot-be-the-alarm): A confirmed ChrisGuard deadline can survive a dead phone. See which time applies after an offline change, who can receive an alert, and what confirmation actually proves.
- [Four limits in this blog’s EmDash publishing path](https://arnekellmann.de/blog/four-limits-a-live-emdash-deployment-hit): A writing agent can revise this blog, but only an independent publisher can promote its work. Four boundaries keep permissions, metadata, revisions and plugin isolation separate.
- [Shared Forest: a website that grows when you visit](https://arnekellmann.de/blog/shared-forest-a-website-that-grows): What makes a shared digital forest worth returning to? Shared Forest turns visits into growth, with free planting and a visible place for AI agents.
- [Animal Checklist: a wildlife list without the paperwork](https://arnekellmann.de/blog/animal-checklist-notice-more-on-your-next-walk): A free animal checklist for the species you have seen. Search names across languages, keep a simple personal list and move it between devices without an account.
- [Blockquote: the answer your website forgot to give](https://arnekellmann.de/blog/blockquote-can-ai-understand-your-website): Use a Blockquote page audit to find unclear answers, then compare the actual finding and scan coverage before crediting a higher score to your edit.
- [EcoAloha: a good day trip starts with the return ferry](https://arnekellmann.de/blog/ecoaloha-plan-around-one-experience): A Pfaueninsel day trip shows what useful travel planning needs: ferry timing, a realistic route and the details that decide whether an outing fits.
- [NowYourLink: what a single advertising slot changes](https://arnekellmann.de/blog/nowyourlink-one-day-spotlight): One homepage slot, one daily auction. Compare NowYourLink’s winning-bid price with dated audience evidence, measurement limits and the customers needed to recover the cost.
- [A prompt-injection score does not grant an agent permission](https://arnekellmann.de/blog/i-attacked-my-own-ai-factory): The September experiment reported 40 attacks and 40 benign cases. Here is what its scores can tell an issue-reading agent, what they cannot authorize, and how to test the boundary when screening fails.
- [A faster replay fill is not a trading profit](https://arnekellmann.de/blog/the-slow-model-was-right-more-often): A Bitcoin replay reported better gross returns from faster model responses. Corrected counts, explicit fee assumptions and evaluation limits show what that comparison can actually establish.
- [When should a review score block a merge?](https://arnekellmann.de/blog/jev-decisions-not-text): The original Jev article reported 74 review scores. What those retrospective results establish, why selective labels leave gaps, and how to test a blocking threshold on new reviews.