Weekly digest · 2026-W21
May 18, 2026 – May 24, 2026
7 entries · 41 min total · Industry Verticals (4) · Foundations & Protocols (4) · Enterprise & Strategy (3) · Models & Frontier (2) · Infrastructure & Economics (1)
Entries
- Day 66 · May 24, 2026Head-to-Head Economics, Take Rates, and Discovery Across the Five Major Agent ChannelsEach marketplace makes a different bet about who pays, how discovery works, and where the trust boundary sits. The same skill can be published into all five -- but the economics, audience, and
- Day 65 · May 23, 2026SKILL.md Walkthrough -- Build, Test & Publish Your First Cross-Vendor SkillDay 60 made the case that SKILL.md is the new app-store unit. Today is the hands-on follow-up: pick a narrow workflow, ship one folder, distribute to four marketplaces, monetise per call -- all in under 90 minutes.
- Day 64 · May 22, 2026Agent Skills as the New App StoreA skill is a folder. At its root sits a SKILL.md file with YAML frontmatter (name, description, allowed-tools, model preferences) and Markdown body containing step-by-step instructions, do/don't examples, and references…
- Day 63 · May 21, 2026The Agentic Enterprise Buyer's ChecklistMicrosoft Agent 365 (GA May 1, $15/user standalone or $99/user inside M365 E7) is the enterprise control plane -- centralised agent registry inside Microsoft Admin Center, Entra workload identity for agents, real-time…
- Day 62 · May 20, 2026The Hyperscaler Counter-MoveAnthropic moved first and moved layered. In the run-up to I/O, Claude Code shipped Auto Mode, Routines, Agent View, Hooks, Plugins, /ultrareview, Ultrathink and Subagents -- a developer-side super-loop with…
- Day 61 · May 19, 2026Google I/O 2026 -- Gemini Spark & the Big Tech Agentic PivotGemini Spark -- the everyday agentic assistant inside the Gemini app, launching in Beta on Pixel and Samsung this summer.
- Day 60 · May 18, 2026Agent Skills & the Skills EconomyDay 55 nailed down the data plane for agents (streaming MVs, MCP, vectors-in-SQL). Today we tackle the behaviour plane.
Takeaways of the week
- <b>Ship one skill this weekend.</b> Pick a workflow you do 3 <b>Ship one skill this weekend.</b> Pick a workflow you do 3+ times a week. SKILL.md it. Test on a 20-pair golden set in Promptfoo. Total time: 90 minutes. Repeat next weekend with workflow #2. <b>Frontmatter discipline = governance.</b> Treat the allowed-tools list as the trust boundary. Scope every OAuth token to exactly that list. Reject any tool call outside it at host level -- not at app level. <b>Wrap as MCP + register on A2A from day one.</b> Same SKILL.md body becomes the MCP server's system prompt (~60 lines FastMCP). DID-signed Agent Card on Linux Foundation a2a-registry is your supply-chain defence. <b>Publish to all four channels in parallel.</b> Anthropic Skills (free) + GPT Store (70/30) + Fluora (per-call x402) + Gemini Spark Skills (developer console). One artefact, four revenue surfaces. <b>Wire OTEL gen_ai spans before publishing.</b> Phoenix or Langfuse on day one. Galileo Signals or LangSmith Insights Agent finds new failure modes weekly and auto-promotes them into the golden set -- closed self-healing loop from <b>Tomorrow:</b> Day 62 (2026-05-24): The Agent Marketplace Wars -- economics, take rates, and discovery algorithms across Anthropic Skills / GPT Store / Fluora / Gemini Spark Skills / Microsoft Agent Store. Which channel actually pays out, which captures the long tail, and where to bet your second skill. varunsingla.com · Daily learning brief · Built with Claude in Cowork mode Day 65
- 1 Pick one narrow workflow you already do weekly Skills win 1 Pick one narrow workflow you already do weekly Skills win on specificity. 'Reconcile vendor invoices to bank feed' ships in 50 lines; 'be a better assistant' never ships. Pick the tightest possible scope where you can write a 20-pair golden set in an 2 Write SKILL.md, then mirror to MCP + A2A -- one artefact, four channels Author once in SKILL.md format. Wrap as MCP server (FastMCP, ~60 lines). Register on A2A. Publish to Anthropic Skills repo, GPT Store, Fluora MCP marketplace, and Gemini Spark Skills. Same artefact reaches every agent runtime. Varun's Daily AI Brief Day 60 · 22 May 2026 · Issue #60 3 Price for outcomes, not seats -- per-call x402 on day one Wire Fluora + x402 USDC on Base. Sub-cent transactions, no signup friction, settles in ~200ms. Adds OTEL gen_ai cost telemetry by default and converts skill usage into provable revenue for the Day 64
- 4 Treat skill loading as a privilege escalation event Every 4 Treat skill loading as a privilege escalation event Every skill ships allowed-tools -- that list IS the trust boundary. Sandbox community skills, scope OAuth tokens per skill (Day 54 KYA), log every skill load to WORM audit, and gate marketplaces with Day 64
- Pick the control plane first -- Agent 365 vs Layer a regulat Pick the control plane first -- Agent 365 vs Layer a regulated-industry tier if you have Day 63
- Microsoft Agent 365 wins the default if you run OpenAI Codex Microsoft Agent 365 wins the default if you run OpenAI Codex + Dell AI Factory (May 19) is the M365 + Entra. Anthropic Cowork wins if your buyer first credible hybrid + on-prem hyperscaler play. is the developer + knowledge-worker tier and you UK/EU FS, healthcare, gov should pilot it now want open Skills. Either choice unlocks Annex III alongside the horizontal control plane. Don't try to audit evidence by construction. Decide this before stretch Spark or Antigravity into regulated you pick the model. workloads -- the compliance docs aren't there yet. Build Skills, not features -- distribute Re-price for outcomes before your buyer Day 63
- Pick your distribution channel before you Ship the Article 5 Pick your distribution channel before you Ship the Article 50 + Annex III evidence Day 62
- Build the deliverable once as a Skill (SKILL.md + EU AI Act Build the deliverable once as a Skill (SKILL.md + EU AI Act enforcement is T-74 days. Every scripts), then mirror it as an MCP server, register hyperscaler counter-move ships audit evidence by with Google A2A, and apply to Spark's Skills construction (Claude two-stage action marketplace when it opens. One artefact, four classification, Codex AI Factory governance, Apple distribution channels. The Skills layer is the auto-delete, Muse Spark watermarking). If you sell lowest-cost, highest-volume distribution path of into the EU, your agent needs the same: OTEL 2026 -- and Anthropic made it open. gen_ai spans, SPIFFE SVID, kill switch T1-T4 <1s, Day 62
- The keynote was at 10am PT today. The two-day event continue The keynote was at 10am PT today. The two-day event continues May 20. Watch the Spark + Intelligence demos directly -- leaked screenshots are useful but the keynote defines the actual product surface, pricing Day 61
- How we got here -- the Big Tech agentic pivot timeline Tomor How we got here -- the Big Tech agentic pivot timeline Tomorrow: Day 58 -- The Hyperscaler Counter-Move: how Anthropic, OpenAI, Apple, and Meta respond to Spark. Plus a deep dive on agentic distribution economics -- how skills marketplaces, app stores, and OS-level agent layers redistribute revenue across the agent value chain. Android Police, CNBC, TechCrunch, The Next Web. Day 61
- Practical takeaways -- a 7-day Skills playbook Day 60