# Newsletter September 19, 2026: updates on the tools we follow | Apps

[Skip to content](#lm-inhoud)Network/[NL](/en/nieuwsbrief-2026-09-19)EN[Hubhub.llmnet.nlCompare models on task, language, cost and license.](https://hub.llmnet.nl/en/)[Communitycommunity.llmnet.nlPrompt techniques, patterns and system prompts.](https://community.llmnet.nl/en/)[APIapi.llmnet.nlLLMs in production: rate limits, routing, structured output.](https://api.llmnet.nl/en/)[Consultancyconsultancy.llmnet.nlRolling out AI in an organization, pilot to production.](https://consultancy.llmnet.nl/en/)[Newsnieuws.llmnet.nlAI developments, explained for the Netherlands.](https://nieuws.llmnet.nl/en/)[Benchmarkbenchmark.llmnet.nlMeasure AI quality yourself, on your own tasks.](https://benchmark.llmnet.nl/en/)[Careersvacatures.llmnet.nlAI roles, salaries and career paths in the Netherlands.](https://vacatures.llmnet.nl/en/)[Learnleren.llmnet.nlAI concepts in plain language, beginner to builder.](https://leren.llmnet.nl/en/)[Guidegids.llmnet.nlRun AI privately on your own Mac, PC, NAS or home server.](https://gids.llmnet.nl/en/)[Directorydirectory.llmnet.nlMapping the AI ecosystem: tools, models, companies.](https://directory.llmnet.nl/en/)[Radarradar.llmnet.nlSignals from X, research and communities for indie developers.](https://radar.llmnet.nl/en/)[Appsapps.llmnet.nlReviews of AI apps and open-source repos, with tips for builders.](https://apps.llmnet.nl/en/)[Trendingtrending.llmnet.nlDaily AI trends from X, explained in Dutch.](https://trending.llmnet.nl/en/)[llmnet.nl — main site](https://llmnet.nl/en/)[](https://x.com/intent/post?url=https%3A%2F%2Fapps.llmnet.nl%2Fen%2Fnieuwsbrief-2026-09-19&text=Newsletter%20September%2019%2C%202026%3A%20updates%20on%20the%20tools%20we%20follow)[](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fapps.llmnet.nl%2Fen%2Fnieuwsbrief-2026-09-19)[](https://www.reddit.com/submit?url=https%3A%2F%2Fapps.llmnet.nl%2Fen%2Fnieuwsbrief-2026-09-19&title=Newsletter%20September%2019%2C%202026%3A%20updates%20on%20the%20tools%20we%20follow)[](#)
 
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# Newsletter September 19, 2026

 Daily update on the software we follow here · automatically compiled, manually corrected
 How this is created. This page is automatically populated daily from public sources (X, Hacker News, GitHub, YouTube). The headlines come from the source, the English sentence below it is machine-generated. Click through to the source before basing anything on it.

 
## Claude Code & agents

 
 
- [ANTHROPIC JUST DROPPED 13 FREE CLAUDE CERTIFICATIONS AND ALMOST NOBODY IS TALKING ABOUT IT. Not a YouTube playlist. Not a third-party course](https://x.com/cyrilXBT/status/2100808289005297692) · X · 2026-09-18Anthropic is offering 13 free Claude certifications, giving indie developers a direct way to prove their knowledge.
 
- [Anthropic says Claude now leads a quarter of work building its next AI models](https://www.businesstimes.com.sg/companies-markets/telcos-media-tech/anthropic-says-claude-now-leads-quarter-work-building-its-next-ai-models) · Hacker News · 2026-09-18Claude now handles a quarter of the development of Anthropic's next AI models, which is relevant for indie developers looking to build on Claude.
 
- [Claude Code from Source](https://claude-code-from-source.com/) · Hacker News · 2026-09-18Claude Code is available as source code, allowing indie developers to customize or integrate it themselves.
 
- [Hackers Used Anthropic's Claude to Break into OpenAI](https://www.wsj.com/tech/ai/hackers-used-anthropics-claude-to-break-into-openai-b40ba883) · Hacker News · 2026-09-18Hackers used Claude to break into OpenAI, warning indie developers about security risks when deploying Claude.
 
 
## Cloudflare OS & self-hosted

 
 
- [Show HN: Friday – Self-hosted persistent memory for AI coding agents (MCP)](https://github.com/itskie/friday) · Hacker News · 2026-09-16Friday provides a self-hosted persistent memory solution for AI coding agents, helping indie developers maintain context between sessions.
 
- [I’d try TypeSafe AI’s Jev on IYA, a chat-first platform where specialized AI agents execute ongoing customer projects using Cloudflare infra](https://x.com/elijahbowie/status/2100065193757749561) · X · 2026-09-16TypeSafe AI's Jev runs on IYA, a chat-first platform with specialized agents on Cloudflare infrastructure, offering indie developers a ready-to-use stack.
 
- [Gartner just named @Cloudflare the only vendor recognized as a Visionary in both of its 2026 Magic Quadrants for enterprise security - SASE](https://x.com/lisbonai_/status/2100929474946568570) · X · 2026-09-18Gartner names Cloudflare as the sole Visionary in both 2026 Magic Quadrants for enterprise security SASE, relevant for indie developers wanting to use Cloudflare services.
 
- [You can now scope access to individual Workers and assign narrower Developer Platform roles, so teammates, CI tokens, and agents get only th](https://x.com/Cloudflare/status/2099846955887149439) · X · 2026-09-15You can now limit access per Cloudflare Worker and assign more granular developer roles, giving indie developers greater control over CI tokens and agents.
 
 
## Agent-tooling & MCP

 
 
- [Google's new Cloud plugin bundles skills plus an MCP server for gcloud auth and IAM guardrails. The real story is the packaging: one artifac](https://x.com/0xJ4yD3v/status/2099473191957909996) · X · 2026-09-14Google's new Cloud plugin combines skills with an MCP server for gcloud authentication and IAM guardrails, allowing indie developers to deploy a single package.
 
- [A lot of good work is happening in AI-enabled security testing right now. Agents, scanners, MCP servers, skills. People are building them fa](https://x.com/joevest/status/2100564342131269971) · X · 2026-09-17A lot of AI-assisted security testing is being developed using agents, scanners, MCP servers, and skills, providing indie developers with security tools.
 
 
## Models & pricing

 
 
- [The turbo-fast jump in LLM quality we’ve seen over the past year doesn’t actually move the AI industry the way most people think. It’s not l](https://x.com/kamilkwapiszpl/status/2100851820922814782) · X · 2026-09-18The rapid improvement in LLM quality is shifting the AI market less than expected, helping indie developers set realistic expectations.
 
- [feat(llm-catalog): add InclusionAI Ling 3.0 Flash VL](https://github.com/Significant-Gravitas/AutoGPT/pull/14683) · GitHub · 2026-09-17InclusionAI Ling 3.0 Flash VL has been added to the LLM catalog, allowing indie developers to use a new model.
 
- [How to Write with an LLM](https://sockpuppet.org/blog/2026/09/17/how-to-write-with-an-llm/) · Hacker News · 2026-09-17Article on how to write with an LLM, offering indie developers practical tips for content generation.
 
- [input costs, output is free - the opposite of typical llm pricing.](https://x.com/adenshepard/status/2100756661585461255) · X · 2026-09-18This LLM only charges for input and offers free output, which can lower costs for indie developers.
 
 
## Skills & plugins

 
 
- [feat: WordPress-style Plugin Architecture for SaaS](https://github.com/NavaSanganakah-Multiventures/school-management/pull/37) · GitHub · 2026-09-17A WordPress-style plugin architecture for SaaS has been implemented, making it easier for indie developers to build extensions.
 
 
## Repos, releases & updates

 
 
- [Your agent’s memory can become an attack surface. This repo helps you guard it. OWASP Agent Memory Guard is an open-source runtime defense f](https://x.com/DanKornas/status/2101049614329655398) · X · 2026-09-18OWASP Agent Memory Guard provides open-source protection against memory attacks on agents, useful for indie developers.
 
- [NASA-IBM Lunar Foundation open-Source Geospatial AI Model](https://newsroom.usra.edu/usra-contributes-planetary-science-expertise-to-nasa-ibm-lunar-foundation-model/) · Hacker News · 2026-09-19NASA-IBM Lunar Foundation has released an open-source geospatial AI model that indie developers can utilize for space applications.
 
- [Show HN: Open-source AI teammates with their own computer](https://runerrand.dev/) · Hacker News · 2026-09-17Open-source AI teammates with their own computer are presented, allowing indie developers to run autonomous AI assistants.
 
- [ApowerB – open-source runtime for AI agents (Apache 2.0)](https://github.com/apowerb/apowerb) · Hacker News · 2026-09-17ApowerB is an open-source runtime for AI agents under Apache 2.0, offering indie developers a license-free implementation.
 
 
## Funding & market

 
 
- [AI CODING STARTUP FACTORY RAISES $200M AT $5B VALUATION Factory has raised $200 million at a $5 billion valuation, more than tripling its va](https://x.com/IPONewsroom_/status/2099898994092888401) · X · 2026-09-15AI coding startup Factory has raised $200M at a $5B valuation, which could impact the market for development tools.
 
- [NEW: Crusoe made its name building one of the biggest AI supercomputers on earth. The firm’s next big bet is going small. Fueling the strate](https://x.com/anissagardizy8/status/2100662161647542660) · X · 2026-09-17Crusoe, known for building a massive AI supercomputer, is now focusing on smaller systems, which could give indie developers access to more powerful compute.
 
- [MANUS RETURNS TO FUNDING MARKET WITH $500M ROUND AT $4B VALUATION AFTER META DEAL UNWIND Manus is nearing a $500M financing that would value](https://x.com/IPONewsroom_/status/2100528479943237735) · X · 2026-09-17Manus is seeking $500M in funding at a $4B valuation following the unwind of a Meta deal, which could influence the AI infrastructure market.
 
- [AI startup Manus eyes $4 billion valuation in first funding round since Meta split - Manus valuation to double to $4 billion. - First fundra](https://x.com/moneycontrolcom/status/2100427523351826928) · X · 2026-09-17Manus is targeting a $4B valuation in its first funding round since the Meta split, which may alter the competition for indie developers.
 
 
## Previous editions

 
 
- [September 18, 2026](/en/nieuwsbrief-2026-09-18)
 
- [September 17, 2026](/en/nieuwsbrief-2026-09-17)
 
- [September 16, 2026](/en/nieuwsbrief-2026-09-16)
 
- [September 15, 2026](/en/nieuwsbrief-2026-09-15)
 
- [September 14, 2026](/en/nieuwsbrief-2026-09-14)
 
- [September 13, 2026](/en/nieuwsbrief-2026-09-13)
 
- [September 12, 2026](/en/nieuwsbrief-2026-09-12)
 
- [September 11, 2026](/en/nieuwsbrief-2026-09-11)
 
- [September 10, 2026](/en/nieuwsbrief-2026-09-10)
 
- [September 9, 2026](/en/nieuwsbrief-2026-09-09)
 
- [September 8, 2026](/en/nieuwsbrief-2026-09-08)
 
- [September 7, 2026](/en/nieuwsbrief-2026-09-07)
 
- [September 6, 2026](/en/nieuwsbrief-2026-09-06)
 
- [September 5, 2026](/en/nieuwsbrief-2026-09-05)