Newsletter September 16, 2026
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Claude Code & agents
- feat(models): OpenAI and Anthropic support via per-node model selection
- I delegated a one line edit to a Claude Code subagent. It cost 77,000 tokens. So I measured what subagents actually cost, where those tokens
- Show HN: Bough, the agent I built to replace Claude Code at work
- Coordinating multiple coding agents is harder than asking one to write code. Ruflo is an agent meta-harness for builders using Claude Code a
Cloudflare OS & self-hosted
- Story 4.19: Architectural Spike — Evaluate Cloudflare Browser Services vs. GitHub Actions CI for Playwright UI & Integration Testing
- You can now scope access to individual Workers and assign narrower Developer Platform roles, so teammates, CI tokens, and agents get only th
- feat(cloudflare): support outbound workers in Browser Run
- Built a self-hosted homelab on an old laptop — sanity checking my setup (security, Docker, media stack)
Agent tooling & MCP
- Cardiovascular Imaging AI Startup Corologic Raises Seed Funding from Kakao Ventures and Seoul Techno Holdings https://en.wowtale.net/2026/09
- A new WhatsApp Business MCP server lets developers use AI coding agents like Claude, Cursor, Codex, and ChatGPT to handle setup, messaging t
Models & pricing
- Building your first LLM API call in Python (step by step)
- ok everyone, i took one for the team here's the data we all wanted to see - real token value of each LLM subscription, empirically measured
- Show HN: Determinstic LLM inference for lowest price Gemma 4, with Windows XP
- Admin: model configuration per stage, and what each stage has spent — needs a design session
Skills & plugins
- We found 5 open source AI github repos to level up your AI research and building skills. 1. LLM-FINGERPRINT-DETECTOR This tool fingerprints
- We open-sourced 73 business Agent Skills — SEO/AEO, marketing, copy, ops, market sizing, exec advisory. Not script wrappers: each is ~2KB of
- feat: add AI Agent Skills & Plugins section (bootgs/skills)
- .@trailofbits released 3 skills to help write patches: `post-patch-validation` helps agents test that fixes are correct https://t.co/wtsGX8Q
Repos, releases & updates
- [RESEARCH] AI research startup Listen Labs scrubbed a $1.5B funding round for Salesforce talks - TechCrunch
- Slack: status indicator silently broken with slack-sdk >= 3.44 (agents.sessions.setStatus rejects free-text and empty status)
- fix(antigravity): stop health checks from filling the disk with _MEI folders
- Open weights are not open source: Why AI's favorite label is under dispute
Funding & market
- Shield AI is in talks for a funding round that would value the defense startup at at least $20 billion, following recent Air Force and Penta
- Israeli AI construction startup Buildots raises $130 million to fuel global expansion New funding values Buildots’ push to bring AI oversigh
- AI Startup/Australia
- This NVIDIA program for AI startups gives you free cloud credits, technical training, and VC intros - all for zero equity: It’s called NVIDI