Nieuwsbrief vrijdag 18 september 2026
Dagelijkse update over de AI-tools die we volgen. Koppen komen van publieke bronnen (X, GitHub, Hacker News); de Nederlandse duiding en samenvatting zijn machinaal geschreven. Elke kop leidt naar onze eigen nieuwspagina over dat onderwerp; de bronlink staat ernaast.
In het kort
Codex gaat van 0.154.0 naar 0.155.0 als latest-release. Claude Code verschijnt als 2.1.276, met skills/plugins-sync vanaf claude.ai en een fix voor een 400-fout achter ANTHROPIC_BASE_URL. Cursor desktop gaat door naar 3.21.9 en Antigravity CLI 1.2.6 brengt Remote Control. AI-coding-startup Factory haalt 200 miljoen dollar op bij een waardering van 5 miljard, en Michael Burry noemt de pacing-oproepen van OpenAI en Anthropic 'self-serving'.
Claude Code & agents
- Anthropic says Claude now leads a quarter of work building its next AI models · bron: Hacker News · 2026-09-18
- Claude Code from Source · bron: Hacker News · 2026-09-18
- Michael Burry slams OpenAI, Anthropic for 'self-serving' calls to slow AI · bron: Hacker News · 2026-09-17
- Hackers Used Anthropic's Claude to Break into OpenAI · bron: Hacker News · 2026-09-18
Cloudflare OS & self-hosted
- Show HN: Friday – Self-hosted persistent memory for AI coding agents (MCP) · bron: Hacker News · 2026-09-16
- Story 4.19: Architectural Spike — Evaluate Cloudflare Browser Services vs. GitHub Actions CI for Playwright UI & Integration Testing · bron: GitHub · 2026-09-12
- buried under all the "operating system for your company" lingo, cloudflare os actually holds a massively underhyped (imo) difference from ot · bron: X · 2026-09-15
- Built a self-hosted homelab on an old laptop — sanity checking my setup (security, Docker, media stack) · bron: Reddit · 2026-09-14
Agent-tooling & MCP
- Claude skill for building MCP apps using Mcpfy SDK · bron: Reddit · 2026-09-17
- A lot of good work is happening in AI-enabled security testing right now. Agents, scanners, MCP servers, skills. People are building them fa · bron: X · 2026-09-17
- DeepSeek V4.1 Flash + Muse Spark 1.3 are FREE on Cline Desktop 😳 Cline just launched a native desktop app with useful agent features what yo · bron: X · 2026-09-14
Modellen & prijzen
- feat(backend): add Unbiased Pareto to LLM catalog · bron: GitHub · 2026-09-18
- Deploy an LLM as an agent instead of a prompt, and watch your token count jump as much as 10-100x. Nothing about the model changes. Nothing · bron: X · 2026-09-17
- feat(llm-catalog): add InclusionAI Ling 3.0 Flash VL · bron: GitHub · 2026-09-17
- How to Write with an LLM · bron: Hacker News · 2026-09-17
Skills & plugins
- feat: WordPress-style Plugin Architecture for SaaS · bron: GitHub · 2026-09-17
- Consolidate technical learning platform and add SkillForge AI Arena · bron: GitHub · 2026-09-18
- feat: add AI Agent Skills & Plugins section (bootgs/skills) · bron: GitHub · 2026-09-13
Repo's, releases & updates
- Show HN: Open-source AI teammates with their own computer · bron: Hacker News · 2026-09-17
- feat(lms): education boards (CBSE, ICSE, MP/State Board) and targeted assignment allocation · bron: GitHub · 2026-09-18
- ApowerB – open-source runtime for AI agents (Apache 2.0) · bron: Hacker News · 2026-09-17
- Slack: status indicator silently broken with slack-sdk >= 3.44 (agents.sessions.setStatus rejects free-text and empty status) · bron: GitHub · 2026-09-13
Financiering & markt
- AI CODING STARTUP FACTORY RAISES $200M AT $5B VALUATION Factory has raised $200 million at a $5 billion valuation, more than tripling its va · bron: X · 2026-09-15
- MANUS RETURNS TO FUNDING MARKET WITH $500M ROUND AT $4B VALUATION AFTER META DEAL UNWIND Manus is nearing a $500M financing that would value · bron: X · 2026-09-17
- AI AGENT STARTUP INSTINCT IN TALKS TO RAISE $1B AT $10B VALUATION Instinct is discussing a new $1 billion funding round at a roughly $10 bil · bron: X · 2026-09-16
- AI startup Factory just raised $200M at a $5B valuation. Factory says large enterprises are moving from individual coding agents toward syst · bron: X · 2026-09-16
Achtergrond: wat er verder speelde
- Claude Code 2.1.274 → 2.1.276 (npm: 275 op 17 sept 20:20 UTC, 276 op 18 sept 01:39 UTC): skills/plugins-sync vanaf claude.ai, send-now key,
/plugin install --marketplace, gateway account-confirm, type:sdkMCP skip + betrouwbaarheid; 276 fixt400 … advisor_20260301achterANTHROPIC_BASE_URL-proxy (275-regressie). Dist-tagstableblijft 2.1.267. (1, 2) - Cursor 3.21.4 → 3.21.9 (tracker-datum 17 sept): build-prefix
9998796a…. Geen aparte 3.21.9-patchnotes gevonden. (3, 4) - Antigravity CLI 1.2.6 (18 sept ~04:21 UTC): Remote Control (
--remote-control//remote-control), headless-ptimeout unlimited,AGY_ERRORJSON + exit 3, punctuation-aware word nav. (5) - Codex:
latest0.155.0 (was 0.154.0, 17 sept ~23:19 UTC); alpha 0.156.0-alpha.2. (6) - n8n:
stable/latest2.39.7;beta/next2.40.2 — beide 17 sept ochtend UTC. (7) @ai-sdk/mcp2.0.53 (18 sept ~04:58 UTC); MCP SDK TS blijft 1.30.0. (8, 9)- Stil: Hermes v2026.9.14 / 0.21.3; OpenClaw 2026.9.4 (docs 9.5–9.9 = 404;
extended-stable2026.7.33 ververst); x.ai/news geen Grok 4.7. (10, 11, 12) - Standards-body: geen nieuwe first-party aankondiging overnight; CNBC/Bloomberg 15-sept OpenAI-confirm met Anthropic/Google blijft anker; DeepMind Institute-essaykader (16 sept) is context, geen launch. (13, 14)
Trends op X van deze dag · ← 17 september 2026 · 19 september 2026 → · Archief