CLAUDE LABJP
RATELIMIT — Claude API rate limits were raised. Sonnet and Haiku limits now match Opus at every usage tier, leaving more headroom for parallel workloadsTIERS — Usage tiers were consolidated into three: Start, Build, and Scale — a clearer picture of where your usage sitsRETIRE — The Developer Platform retired Claude Sonnet 4 and Opus 4 (…-20250514). Code referencing those old model IDs needs migratingFABLE5 — Claude Fable 5 is now included in Max and Team Premium plans, available at 50% of the limitFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — two days left. Move any speed: 'fast' calls to fast mode on Opus 4.8CCODE — Claude Code keeps shipping stability updates: background sessions for /fork, smarter /resume and /background, and stronger safeguards for WebSearch, subagents, and BashRATELIMIT — Claude API rate limits were raised. Sonnet and Haiku limits now match Opus at every usage tier, leaving more headroom for parallel workloadsTIERS — Usage tiers were consolidated into three: Start, Build, and Scale — a clearer picture of where your usage sitsRETIRE — The Developer Platform retired Claude Sonnet 4 and Opus 4 (…-20250514). Code referencing those old model IDs needs migratingFABLE5 — Claude Fable 5 is now included in Max and Team Premium plans, available at 50% of the limitFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — two days left. Move any speed: 'fast' calls to fast mode on Opus 4.8CCODE — Claude Code keeps shipping stability updates: background sessions for /fork, smarter /resume and /background, and stronger safeguards for WebSearch, subagents, and Bash
ARTICLES

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All (786) Claude AI (133) Claude Code (320) Cowork (54) API & SDK (279)
Claude Code/2026-06-20Intermediate

Handing Claude Design Mockups Straight to Claude Code: Folding the Design-to-Code Loop

The June 17 Claude Design update added codebase-aware generation. Here's how to make your tokens the single source of truth, hand mockups to Claude Code, and collapse the design-to-code round trip — with code you can copy.

Claude AI/2026-06-19Advanced

Pointing Claude Design at Your Codebase: Closing the Design-to-Implementation Loop Solo

The June 17 update lets Claude Design start from your local codebase, so generated assets reflect your existing components. Here is how I wire code-grounded generation into maintaining four sites' UI alone as an indie developer.

API & SDK/2026-06-19Advanced

Grounding Claude on Your Own Knowledge Base with search_result Blocks

How to stop your own RAG setup from losing track of which article it cited, using Claude's search_result content block and structured citations — with real numbers from running it across four sites.

API & SDK/2026-06-19Advanced

When Your Claude × Playwright Browser Agent Fails While Reporting Success — Verifying Actions and Catching UI Drift

A vision-driven Claude + Playwright browser agent fails quietly: it reports success while nothing actually changed. Here is how to stop trusting self-reports, verify each action against the goal, and detect UI drift before it breaks you.

Claude Code/2026-06-19Advanced

Noticing From the Outside When a Scheduled Job Quietly Did Nothing

exit 0, but zero output. How to catch a silent no-op not from the job's own log but from an external heartbeat ledger and ground truth, written from running several sites on a nightly schedule as an indie developer.

Claude Code/2026-06-19Advanced

An Article My Gate Rejected Got Published — The Cost of Chaining the Quality Gate and git push in One Call

In an unattended publishing pipeline, an article my quality gate had rejected went live anyway. The cause was chaining the gate and git push into a single shell call. Here is how the exit code gets swallowed, and a two-phase publish-marker design that refuses to push until every gate has demonstrably passed.

Claude Code/2026-06-18Advanced

Claude Code Adds /cd — Carrying Your Warm Cache Across Repositories

Claude Code's new /cd moves a running session to another working directory without rebuilding the prompt cache. Here are the design calls and pitfalls when you sweep across several repositories in one sitting.

Claude Code/2026-06-18Advanced

Moving Cleanup and Logging into a SessionEnd Hook

How to use Claude Code's new post-session hook to automate temp-file cleanup and log writing after a session ends, with real examples from a pipeline that processes several repositories in sequence.

API & SDK/2026-06-18Advanced

When Your Claude API Response Cache Returns Stale Answers and Near-Miss Wrong Ones — Field Notes on Freshness and False-Hit Suppression

A Claude API response cache improves latency and cost immediately, but the problems that hurt in production are not average hit rate — they are stale hits and semantic false hits. Here is the key design, freshness management, false-hit suppression, and observability that keep a cache honest.

Claude Code/2026-06-18Advanced

Give an Unattended Agent Only the MCP Tools It Needs — Enforcing a Deny-by-Default Policy

An unattended Claude Code agent can't lean on a permission prompt, so whatever a tool can reach becomes the blast radius. Here's how to lock MCP servers and tools down to deny-by-default and hand back only what the job needs, with managed-settings.json examples.

Claude Code/2026-06-18Intermediate

When a Broken settings.json Stops Claude Code From Starting — Safe Mode and How to Split Your Config

How to find which config layer is broken when a settings.json syntax error stops Claude Code from starting, recover in minutes, and structure your settings so an automated pipeline can't quietly break itself.

Claude Code/2026-06-17Advanced

The Day a Billing Change Got Reversed at the Last Minute — Designing a Reversible Pipeline So You Don't Rewrite in a Panic

A billing change due to take effect on June 15 was retracted at the eleventh hour. From the position of someone who had literally logged 'effective today' the night before, here is why I didn't have to scramble to rewrite my headless stages, and how to build a pipeline that survives reversals and delays — with working code.