9 min read
MCP Goes Stateless: What the 2026-07-28 Spec Actually Changes
MCP dropped its session handshake for a stateless core, hardened OAuth, and made tool lists cacheable, with SDK…
The Lab · Written in the open · Tagged Tutorials
Lab.
Working notes from the studio. The tools I build, the workflows I keep, the mistakes I paid for.
53 entries · latest 2026-08-07
Latest entry
Claude Code Just Removed the Subagent Spawn Cap
Version 2.1.224 removes the 200 subagent cap, adds self hosted runners, cross session messaging, and tighter sandbox credential masking.
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TLDR
This entry in one minute
- Claude Code 2.1.224 shipped August 7, 2026 with self hosted environments, cross session messaging, and no more subagent spawn cap
- The 200 subagent per session limit is gone, only concurrency and depth limits remain, so long agent runs stop hitting a hard wall
- Self hosted environments let Team and Enterprise plans point web, mobile, and desktop sessions at their own machines instead of a shared pool
All entries · Tutorials
9 min read
The Blog Post Structure I Use So Readers Actually Finish
Hook in five seconds or readers leave
9 min read
Debugging a Production Bug I Cannot Reproduce Locally
Reconstruct the timeline from prod logs before touching code
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Shopify Theme Sections I Rebuild on Every Store
Four sections (hero, proof band, FAQ, CTA) I copy into every Shopify store
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Feature Flags Without a Vendor: The Minimal Setup I Ship
Boolean flags in env vars cover 80% of what vendors sell
9 min read
Local-First Architecture for Solo Apps When CRDTs Help and When They Hurt
Local-first cut my note app's perceived latency to zero across 3 devices
9 min read
Shopify Metafields Done Right Three Patterns From Production
Typed metafield definitions catch bad data before it reaches your theme
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Why I Stopped Reaching for Redis on Solo Projects
Six Redis use cases replaced with SQLite, Postgres, and Edge KV
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The Stripe Webhook Patterns I Use to Avoid Lost Events
Signature verification on the edge blocks forged payloads before they hit my logic
8 min read
Form UX in 2026 Native HTML Validation Is Finally Enough
Removed a 12 KB validation library across 3 surfaces using native HTML
9 min read
Edge Functions vs Serverless for Solo Projects A Practical Comparison
Edge wins for cookie gating, redirects, AB tests at sub-20ms cold starts