# Newsletter September 13, 2026: updates on the tools we follow | Apps

[Skip to content](#lm-inhoud)Network/[NL](/en/nieuwsbrief-2026-09-13)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-2026-09-13&text=Newsletter%20September%2013%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-2026-09-13)[](https://www.reddit.com/submit?url=https%3A%2F%2Fapps.llmnet.nl%2Fen%2Fnieuwsbrief-2026-09-13&title=Newsletter%20September%2013%2C%202026%3A%20updates%20on%20the%20tools%20we%20follow)[](#)
 
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# Newsletter September 13, 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, and the English sentence below is machine-written. Click through to the source before basing anything on it.

 
## Claude Code & agents

 
 
- [10 GITHUB REPOS THAT MAKE AI CODING AGENTS WAY MORE POWERFUL If you use Claude Code, Codex, Cursor or OpenCode... You might not be using the](https://x.com/RodmanAi/status/2098340192499413240) · X · 2026-09-11A list of 10 GitHub repositories that make AI coding agents more powerful, useful for indie developers looking to improve their own code assistants.
 
- [THIS FREE OPEN-SOURCE REPO GIVES YOU A SELF-HOSTED PERSONAL AI AGENT WITH MEMORY, WEB SEARCH, SUBAGENTS AND SCHEDULED AUTOMATIONS. NANOBOT R](https://x.com/RoundtableSpace/status/2098732101936009437) · X · 2026-09-12A free open-source repository for a self-hosted personal AI agent with memory, web search, and automation features, useful for indie developers wanting to run their own AI tools.
 
- [“Should I use Claude Code or Codex?” Wrong. You should use both (together): Okay first, make sure you set up Codex properly. Full migration](https://x.com/charliejhills/status/2098789292273484042) · X · 2026-09-12An article recommending the combined use of both Claude Code and Codex, relevant for indie developers looking to optimize their AI coding workflow.
 
- [Ex-Anthropic insider tells CNN how AI could kill all humans by 2030](https://www.youtube.com/watch?v=i30jVPqQeOM) · YouTube · 2026-09-10A video in which a former Anthropic employee warns about AI risks, important for indie developers to understand ethical considerations.
 
 
## Cloudflare OS & self-hosted

 
 
- [Stop renting your GTM stack. Here are 60 open-source tools that replace it, in 20 categories, every one with a public repo you can self-host](https://x.com/hosun_chung/status/2098758546422935931) · X · 2026-09-12An overview of 60 open-source alternatives for GTM, self-hostable, helping indie developers manage their marketing stack at no cost.
 
- [Cloudflare OS: an open platform for agents, apps, and work https://blog.cloudflare.com/cloudflare-os/](https://x.com/jy/status/2097987560232395176) · X · 2026-09-10Announcement of Cloudflare OS, an open platform for agents, apps, and work, relevant for indie developers wanting to build serverless or edge applications.
 
- [Either you believe Agents and Agentic AI have a future to play or you don't. If you do think agent count will grow, so will the need for lo](https://x.com/deepdivedenny/status/2097728355290198273) · X · 2026-09-09An argument on the growth of agent AI and the increasing need for related tools, relevant for indie developers looking to invest in this space.
 
- [Built InfraView with AI: a self-hosted dashboard for Netdata, Uptime Kuma, UniFi and Backrest. React, Express and SQLite, with a simple Dock](https://x.com/mrru5s3ll/status/2097943796432695386) · X · 2026-09-10A self-hosted dashboard (InfraView) for Netdata, Uptime Kuma, UniFi, and Backrest, built with React, Express, and SQLite, useful for indie developers wanting to monitor their infrastructure.
 
 
## Agent-tooling & MCP

 
 
- [Security: MCP endpoint has no functional authentication (FASTMCP_AUTH_TOKEN is a no-op) — unauthenticated Portainer control and API-key disclosure](https://github.com/jbkunama1/hAI.PortainerMCP/issues/6) · GitHub · 2026-09-08A security advisory about an MCP endpoint without authentication, important for indie developers using Portainer or similar tools.
 
- [[BUG] Second critical vulnerability in MCP gateway — request for private security disclosure](https://github.com/micro/go-micro/issues/4926) · GitHub · 2026-09-11A bug report regarding a critical vulnerability in the MCP gateway, relevant for indie developers deploying this component.
 
- [Radar: No-Box Vulnerability Analysis: Description-only Detection of Indirect Prompt Injection Vulnerabilities in MCP Servers](https://github.com/micmerritt/ai-security-radar/issues/288) · GitHub · 2026-09-11A study (Radar) on indirect prompt injection vulnerabilities in MCP servers, useful for indie developers needing AI prompt security.
 
- [Paste a question, get back something that reads like a press release, fix it by hand. Do it again tomorrow, from zero. Tomorrow night at @Th](https://x.com/ReviewMyDB/status/2097867360421998624) · X · 2026-09-10A workflow description to generate and manually refine press-release-like text, useful for indie developers wanting to edit AI-generated content.
 
 
## Models & pricing

 
 
- [Real-SWE: Benchmarking AI models on private, real-world, enterprise codebases](https://withspecific.com/benchmarks/real-swe) · Hacker News · 2026-09-12A benchmark (Real-SWE) evaluating AI models on private, enterprise codebases, relevant for indie developers wanting to compare model performance.
 
- [Introducing Colossus and the launch of $COLOSSUS 🗽 Colossus brings price discovery to AI inference through a marketplace for discounted LLM](https://x.com/colossuseco/status/2097327501047693531) · X · 2026-09-08Introduction of Colossus, a marketplace for discounted LLM inference, relevant for indie developers looking to reduce AI usage costs.
 
- [Another angle of my LLM coding leaderboard: price/quality. Two charts: 1. Cheaper LLMs up to $0.50 per prompt (API pricing) 2. More expensi](https://x.com/PovilasKorop/status/2098019567452787138) · X · 2026-09-10An analysis of price-to-quality for LLMs, featuring charts for cheaper and more expensive models, helpful for indie developers choosing a model.
 
- [Admin: model configuration per stage, and what each stage has spent — needs a design session](https://github.com/tadasant/motet/issues/92) · GitHub · 2026-09-13A GitHub issue regarding model configuration per stage and cost tracking, relevant for indie developers managing their AI pipeline.
 
 
## Repos, releases & updates

 
 
- [God’s Eye View Blew Up. Here's What You Can Do With It.](https://www.youtube.com/watch?v=o_FJ1NIH9yw) · YouTube · 2026-09-08A YouTube video covering God's Eye View and potential use cases, interesting for indie developers exploring visualization tools.
 
- [Google allegedly stole open-source code for mobile AI tool](https://www.neowin.net/news/google-steals-open-source-code-for-mobile-ai-tool/) · Hacker News · 2026-09-12A Hacker News post regarding allegations that Google stole open-source code for a mobile AI tool, relevant for indie developers tracking licensing issues.
 
- [`rtk init --agent omp` throws](https://github.com/rtk-ai/rtk/issues/3939) · GitHub · 2026-09-08A GitHub issue where `rtk init --agent omp` throws an error, useful for indie developers working with RTK and agents.
 
- [10 OPEN-SOURCE GITHUB REPOS FOR RUNNING AI LOCALLY FOR $0: llama.cpp — https://github.com/ggml-org/llama.cpp Jan — https://github.com/janhq/](https://x.com/RoundtableSpace/status/2098661702053368210) · X · 2026-09-12A list of 10 open-source GitHub repositories to run AI locally for $0, such as llama.cpp, handy for indie developers wanting to use offline AI.
 
 
## Funding & market

 
 
- [COHERE IN TALKS TO RAISE UP TO $3B AT $20B VALUATION Canadian AI startup Cohere is in advanced talks to raise $2B to $3B in a new funding ro](https://x.com/IPONewsroom_/status/2098467001564057927) · X · 2026-09-11News about Cohere looking to raise up to $3 billion at a $20 billion valuation, relevant for indie developers following investment opportunities or market trends.
 
- [FLUIDSTACK EYES $5B PENTAGON LOAN AFTER $1.5B FUNDING ROUND Fluidstack reportedly raised $1.5B led by Jane Street at an $18B+ valuation and](https://x.com/IPONewsroom_/status/2098413701196059067) · X · 2026-09-11Fluidstack eyes a $5 billion Pentagon loan following a $1.5 billion funding round, relevant for indie developers following infrastructure funding.
 
- [🤖 Positron AI raises $875M at a $5B valuation for next-gen Asimov/Titan inference chips. Round co-led by NEA, Atreides, Valor, Andra, SemiAn](https://x.com/rodalmighty/status/2098142289965031696) · X · 2026-09-10Positron AI raises $875 million for Asimov/Titan inference chips, relevant for indie developers considering advanced AI hardware.
 
- [COGNITION RAISES $2B+ AT $48B VALUATION The AI software startup behind coding agent Devin has raised more than $2B in new funding led by a16](https://x.com/IPONewsroom_/status/2097373747984716268) · X · 2026-09-08Cognition, maker of the Devin coding agent, raises over $2 billion, relevant for indie developers interested in AI coding agents.
 
 
## Previous editions

 
 
- [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)
 
- [September 4, 2026](/en/nieuwsbrief-2026-09-04)
 
- [September 3, 2026](/en/nieuwsbrief-2026-09-03)
 
- [September 2, 2026](/en/nieuwsbrief-2026-09-02)
 
- [September 1, 2026](/en/nieuwsbrief-2026-09-01)
 
- [August 31, 2026](/en/nieuwsbrief-2026-08-31)
 
- [August 30, 2026](/en/nieuwsbrief-2026-08-30)