Build & Learn
Hands-on tutorials, how-to guides, and learning paths for building with modern AI models and developer tools.
bypassPermissions drops every gate — use these modes instead
acceptEdits, auto, dontAsk, and allow rules cut friction without the full trust loss of bypassPermissions.
OpenAI's Codex plugin hands your code review to a second LLM
OpenAI's Codex plugin runs inside Claude Code to delegate code review, adversarial critique, and tasks to Codex locally.
free LLM API resources GitHub repo list free providers rate limits Claude Code Cursor 2026
You don't need a paid API key to run a coding agent anymore — a small category of GitHub directories now catalogs every inference provider with a genuinely free tier, complete with rate limits and drop-in configs. The seed for this piece is a walkthrough video, but the
Ghostty beats iTerm2 3× — speed isn't the agent bottleneck
Ghostty vs iTerm2: GPU throughput, latency, memory — and why none of it solves parallel AI agent supervision.
World Monitor hit 67k stars — here's what the MCP endpoint
Open-source OSINT dashboard by @koala73: 60+ Vercel Edge Functions, Ollama/Groq AI layer, MCP at /mcp, 56 map layers,
Codex CLI dropped chat-wire — OpenCodex picks up the routing
OpenCodex translates Codex CLI's Responses API to Anthropic, Gemini, or Ollama — 40+ providers, zero patches to Codex
OpenAI ships Codex into Claude Code — two commands, or four?
OpenAI's codex-plugin-cc adds Codex review to Claude Code. The real install path is four commands, not two.
LongCat-Video-Avatar 1.5 cuts inference to 8 steps — here's
Meituan's MIT-licensed LongCat-Video-Avatar 1.5 replaces Wav2Vec2 with Whisper-Large-v3, adds DMD2 distillation at 8
MengTo/Skills has no tagged releases — pin the commit
78 MIT agent skills across web design, GSAP, Three.js, Codex. No releases in MengTo/Skills — pin a commit.
LingBot-Map runs 10,000 frames on monocular video — no
Ant Group's Robbyant open-sources LingBot-Map, a feed-forward monocular 3D scene reconstruction model running at ~20
36 languages parsed locally — Graphify needs no model call
Graphify indexes your codebase with tree-sitter across 36 languages — local-only, no embeddings, no API calls.
Codex burns ~1.5K tokens on font rules for backend sessions
Codex gpt-5.5 cold-starts at ~15K tokens; ~1.5K are frontend rules. Issue #19720 requested removal and is now closed.
Anthropic's Finance plugin: README says 6 skills, folder has 8
Finance and Legal Claude plugins: skill dirs, slash commands, MCP connector categories, and README-vs-folder gaps.
OmniRoute's "unlimited free" claim — 90 providers, not 200
OmniRoute gives Claude Code 90+ free-tier providers via quota fallback — not the 200+ free that viral coverage claims.
Voicebox clones your voice in 3 seconds — but read the fine
jamiepine/voicebox bundles 7 TTS engines, 23-language cloning, system-wide dictation, MCP integration, and a local
One Claude session, 20 front-ends — that's Hermes
Hermes: one Claude session across Telegram, Slack, and 20+ apps. Install, provider config, and trigger setup covered.
No runnable check? You become Claude Code's verification loop
Four ranked skills from Anthropic's Claude Code docs: verification, plan mode, context hygiene, CLAUDE.md.
The env var that silently routes Fable agents to Haiku
How CLAUDE_CODE_SUBAGENT_MODEL precedence works in Claude Code, and why it silently overrides Fable 5 pinning.
One SKILL.md replaces CLAUDE.md, AGENTS.md, and .cursorrules
Agent Skills open standard: SKILL.md replaces CLAUDE.md, AGENTS.md, and .cursorrules for Claude Code, Codex, and Cursor.
Claude Code artifacts publish a live URL — the chat sandbox
Claude Code artifacts vs chat artifacts: supported types (.html/.htm/.md), CSP sandbox limits, MCP connector support
Anthropic blocked OAuth in third-party tools — here's what
Anthropic cut off Pro/Max OAuth tokens from OpenCode, Cline, RooCode in April 2026. API keys and Bedrock/Vertex still
Claude Code subagents concurrent parallel architecture context isolation limits 2026
A single operator running a "department" of AI employees — one researching, one writing, one analyzing — is the pitch behind a viral demo, but Claude Code's real parallelization story is more precise, and more limited, than the headline suggests. How Claude Code's Parallelization Architecture Evolved
For Dhan and Shoonya, the live order code path doesn't exist
Vibe-Trading v0.1.11 adds NSE/BSE backtesting; Dhan and Shoonya are hard-coded paper-only with no live order path.
site that matches your GPU VRAM to runnable local LLM tokens per second recommender (Can I
Before downloading a multi-gigabyte model, one question decides everything: will it actually fit in your GPU, and how fast will it run? A new class of hardware-aware calculators answers that in the browser — the workflow surfaced by a Korean walkthrough that benchmarks an RTX 3090 Ti against a
Claude Code skill files load in ~100 tokens — then pull the
How SKILL.md's three-tier progressive loading turns UI design extraction into a reusable, version-controlled operator
20+ agent backends, one Artifacts canvas — self-hosted
Apache-2.0, local-first canvas supporting 20+ coding agents as a self-hosted Claude Artifacts alternative.
Smithery hosts your MCP server — but cold-start latency is
Smithery's hosted MCP control plane bundles discovery, runtime, and OAuth — but publishes no SLA, region list, or
The GPT-4o bill dropped 97% with DeepSeek Flash. Quality held.
DeepSeek V4 Flash at $0.14/$0.28/M beats GPT-4o on SWE-bench Verified while costing 36× less per output token.
launchd KeepAlive + tmux detach = respawn loop — the fix
Why launchd KeepAlive + detached tmux respawn-loops Claude Code and the safe RunAtLoad bootstrap pattern to avoid it.
MemTool removed 90% of tools per turn — and task accuracy held
Context engineering for agents: Anthropic's compaction, LangChain's four ops, and MemTool's 90% tool-pruning result.
Three Claude spend trackers, one 17k-star engine underneath
All three macOS Claude Code cost trackers shell to ccusage — differences are UI, install path, and rotation health.
Claude Code automation primitives loops goals routines dynamic workflows
Anthropic has repackaged automation in Claude Code as four composable primitives — loops, goals, routines, and dynamic workflows — that turn the developer from "the loop" into the designer of a loop that runs itself. Each one wraps the same turn-based cycle every Claude Code prompt already executes: evaluate
Claude Code hooks silently fail on Hermes — guards don't fire
The agentskills.io spec, Claude Code's hook extensions, and which skills actually port to Hermes Agent's open runtime.
Cache writes bill at 1.25× — before you see a single hit
Minimum token floors, prefix invalidation, TTL expiry, and write premiums across OpenAI, Anthropic, and Gemini
The `gpt-5.6` alias routes to Sol — your cost budget didn't
GPT-5.6 ships three tiers (Sol/Terra/Luna) at $0.007–$0.035 per 1k tokens. The default alias silently picks Sol —
Orca AI coding agent orchestrator GitHub parallel sessions stablyai free open source
The standard way to work with a CLI coding tool is a queue of one: prompt, wait, review, repeat — and every cycle burns wall-clock minutes while a single agent thinks in a single checkout. Orca's premise is that there is no reason to wait in line. What
One user's $35K tab is why Claude Max has a weekly cap now
Claude Max weekly caps: 5-hour window, 7-day pool reset, overflow billing, and why parallel agents drain the limit fast.
Ponytail cuts Claude output 54% — what the benchmark measures
Ponytail adds a YAGNI ladder to Claude Code: benchmark shows −54% lines, −22% tokens, 100% safety pass rate.
Where Lindy's no-code ceiling is — and what it costs to hit it
Compares Lindy's 100+ templates, Agent Steps, and $50–$200/mo tiers against n8n's node canvas and own-LLM cost model.
What's inside a Chrome extension that ports AI chat context
MV3 extensions bridge AI chatbot sessions via DOM scraping — compared on privacy, cost, and automation.
orchestrator worker pattern AI agents subagent context isolation token reduction; Anthropi
Fan work out to a team of subagents and the intuition splits two ways: either you pay for every extra model, or the orchestrator finally stops drowning in file dumps it never rereads. The research points firmly at the second — if, and only if, the returns stay compact. Does distributing
Vercel's skills.sh shows 900K+ — the curated catalog is 342
skills.sh all-time: 900K+. Curated API: 342 skills across 87 owners. What each number counts and why the gap exists.
SkillUI clones a site's design system — no AI, no API key
SkillUI v1.3.4 extracts colors, typography, and spacing from any URL into a Claude Code SKILL.md — no AI, no API key.
What MotionSites actually ships (it's not a website builder)
MotionSites AI sells scroll prompts for Claude Code — no runtime. How GSAP output compares to Framer AI and v0 in 2026.
600 skill improvements, one background hook — task-observer
Background hook parses JSONL transcripts, logs gaps, and queues SKILL.md rewrites — 600+ edits across 40 skills.
NVIDIA NIM's ~40 RPM cap is account-wide — not per model
NVIDIA NIM free tier: ~40 RPM account-wide cap. How it compares to OpenAI and Together AI's published rate-limit tables.
The columns in public-apis that MCP agents read first
public-apis' Auth/HTTPS/CORS columns tell MCP agents what they can call across 1,400+ free endpoints in 50 categories.
Claude's MCP OAuth locks to claude.ai — n8n routes around it
Build n8n workflow tools that bypass Claude's OAuth redirect lock, 25k token ceiling, and unsupported MCP connectors.
n8n turns your workflow into an MCP server — stdio never
How n8n's MCP Server Trigger exposes n8n workflows as MCP tools over SSE/Streamable HTTP, letting Claude invoke custom
Without a verification gate, Claude Code quits at 'looks done'
Verification gates, /compact flags, terse CLAUDE.md, and fan-out subagents — Claude Code practices most developers skip.
You're using Claude Code with the parking brake on
32 Claude Code patterns: context management, CLAUDE.md, parallel worktrees, lifecycle hooks, ultrathink trigger.
What practitioners encode in SKILL.md — and why it now travels
Claude Code SKILL.md: progressive disclosure, five practitioner competencies, scope hierarchy, and common failure modes.
A Bloated CLAUDE.md Teaches Claude to Ignore You
CLAUDE.md pruning, PreToolUse hooks, subagents, and headless CI for Claude Code power users. Updated through v2.1.198.
Your linter reports. /simplify did the cleanup for you.
Three parallel agents, one slash command: how /simplify auto-applies diff cleanup before your PR is opened.
/btw, /compact, /rewind: what most Claude Code users ignore
The Claude Code features most teams skip: /btw, /compact, /rewind, Stop hooks, and CLAUDE.md import patterns.
58 MCP tools fill Claude's context — n8n can reduce that to 4
Turn n8n into a Claude MCP server with curated tools — reducing definition bloat and tool-count overload in minutes.
Instructions Claude follows. Hooks it can't ignore.
Advanced Claude Code techniques: hooks, subagents, skills, plan mode, and context compaction — as of v2.1.145+ (2026).
Your CLAUDE.md is probably too long to obey
CLAUDE.md hierarchy, plan mode, slash definitions, and sub-agent delegation — Claude Code official best practices for mid-2026.
Seedance 2.0 hit Arena.AI #1 — and here's where it wobbles
Seedance 2.0's joint audio-video pass, @-ref syntax, and 15s multi-shot ceiling — prompting guide for developers.
n8n MCP hub: tool sprawl shrinks, Claude limits don't
Wire n8n's MCP Server Trigger to Claude Desktop: what it offloads, what it doesn't, and where SSE connections break.
CLAUDE.md advises. Hooks overrule. Know which is which.
Official Claude Code best practices for 2026: CLAUDE.md, hooks, slash commands, subagents, and /rewind explained.
Most Seedance 2.0 takes fail for a correctable reason
T2V, I2V, R2V task selection; 6-part take anatomy; re-roll traps and Seedance 2.5 changes for fal.ai builders.
CLAUDE.md bloat silently causes Claude Code to improvise
Mid-2026 Claude Code guidance: CLAUDE.md sizing, hooks, subagents, MCP, and slash commands for agentic efficiency.
Seedance 2.5 targets 30s 4K — nothing independent confirms it
Seedance 2.5: native 4K, 30s clips, GA early July 2026. Practical access now: Seedance 2.0 on BytePlus ModelArk.
96% of cuBLAS, no `unsafe`: what cuTile Rust proves
cuTile Rust applies Rust ownership to GPU kernels. Covers sm_80+ prereqs, the partition-dispatch pattern, and Grout.
Fugu hides the seams: multiple AIs, billed as a whole
Fugu wraps a swappable LLM pool in an OpenAI-compatible endpoint. Setup, tier comparison, billing, and EU restrictions.
Three packages claim 'SkillsGuard'. One shipped malware.
The SkillsGuard that actually ships: AgentGuard v1.1.28. Four commands to first scan, 24 detection rules, known gaps.
An offline AI you power with your arm — 48 tok/s on a Pi 5 CPU
Squeez Labs' hand-cranked offline voice AI on Pi 5: the edge_voice_agent stack, parts, and commands to recreate it.
GitHub Copilot App can now merge PRs while you're offline
How the GitHub Copilot App works: agent sessions, PR delegation, automations, and AI Credits pricing as of June 2026.
Creative Agent spans the CC suite now. Here's the paid gate.
Firefly AI Assistant (public beta, April 2026) is cross-app. This covers eligibility, invocation steps, and supervision.
Skip RAG entirely — SubQ loads your whole codebase in one pass
SubQ (Subquadratic) is an OpenAI-compatible LLM in private beta with a subquadratic sparse-attention architecture, base URL api.subq.ai/v1, bearer auth, subq-preview model ID, SubQ Code CLI, and a 1M-validated (not 12M) context. Here's how to wire it in.
Firefly's Creative Orchestrator Is Live. After Effects Isn't.
Firefly AI Assistant in Photoshop, Premiere & Illustrator June 18. Eligibility, steps, and what's still waitlisted.
GLM-5.2's FrontierSWE 74.4 is vendor-only. Does it hold up?
Z.ai's GLM-5.2: 1M-token span, Anthropic-compatible endpoint, MIT weights, and a benchmark reality check.
K2.7 Code is 30% lighter — but chain-of-thought is locked on
Kimi K2.7 Code (June 2026): mandatory chain-of-thought, 256K context, HighSpeed at 180 t/s. CLI and API guide for two distinct entry points.
Kog hits 3K t/s on MI300X, no kernel switches — test it now
Kog AI's monokernel collapses AMD MI300X LLM decode into one GPU-resident kernel — 3,000+ t/s at batch 1, no CPU hand-off. How to try it and what replication actually costs.
Fable 5 refusals are 200 OK — your error handler misses them
Fable 5 and Mythos 5 are offline under a U.S. export-control order. Wire up refusal handling and Opus 4.8 fallback now.
Hand off any session to the GUI — Codex CLI 0.138.0
OpenAI Codex CLI 0.138.0 (June 8, 2026): GUI hand-off via /app, v2 PAT auth, faster resume. Full tutorial here.
macOS 27 skips Intel — Siri AI is queued, Liquid Glass is not
macOS 27 Golden Gate drops Intel, Siri AI is gated. Device eligibility, install steps, and what to test in WWDC 2026.
Ideogram 4 was trained on JSON — plain prompts are second-class
Ideogram 4.0: open weights, JSON-first prompting, bounding-box layout, native 2K. API starts at $0.03/image.
A 10-second Grok Imagine 1.5 clip at 720p runs $1.41
Image-to-video only; audio prompting added; $0.14/sec at 720p. Frame prep, REST and SDK steps, rate limits, known constraints.
Gemma 4 12B skips the audio encoder. Is 16 GB enough?
Encoder-free 12B open-weight model (June 2026): Ollama, Transformers, llama.cpp GGUF, and audio caveats.
Meta Business AI went global — gated rollout, paid plans TBD
Meta Business AI: activation flow, four controls, WhatsApp messaging fees, and the fine print on a gated market rollout.
MiniMax M3 benchmarks at $0.30/M: verified vs. vendor-only
MiniMax M3 at $0.30/M: what the 1M-sequence benchmarks mean, credential selection, and a quickstart.
NVIDIA's 550B finally lands: free to use, expensive to host
Nemotron 3 Ultra, 550B MoE (June 4 2026): hardware minimums, hosted API quickstart, NIM steps, benchmark check.
Qwen3 in the browser, zero keys — WebLLM 0.2.83 hands-on
WebLLM 0.2.83: run Qwen3 in Chrome via WebGPU, no server. Setup steps, streaming code, VRAM requirements, and gotchas.
NeMo out, GGUF in: how parakeet.cpp ports NVIDIA ASR to C++
parakeet.cpp v0.1.0: NVIDIA Parakeet in GGUF — no NeMo needed. CMake steps, quant tradeoffs, and whisper.cpp status.
Is Omni's conversational video editor as good as the demos?
Gemini Omni in Google Flow: credit costs, regional limits, and iterative editing — no callable API yet.
Windsurf is Devin Desktop now. Cascade has 27 days left.
Windsurf is now Devin Desktop: Agent Command Center, Spaces, and Devin Local replacing Cascade by July 1.
Nemotron 3 Ultra went live June 4. Here's the call that works.
NVIDIA Nemotron 3 Ultra GA June 4: how to call via NIM/OpenRouter, hardware floor, and the base-checkpoint caveat.
Composer 2.5 hits near-frontier at 60× lower spend
Composer 2.5: third on the Artificial Analysis Coding Index at $0.07/task vs $4.10 for its nearest rival. Billing choice, effective prompting, and what the independent scores actually show.
Opus 4.8 kills budget_tokens — here's what else moved
Opus 4.8: fast mode, mid-session system prompts, 1K cache floor. Old budget_tokens syntax returns 400.
llama-bench skipped FA on capable GPUs — b9437 corrects it
llama.cpp b9437 (May 30): -fa goes auto, -ngl to -1 in llama-bench. Your pre-b9437 comparisons need a flag audit.
Qwen3.6-35B NVFP4 runs on one H100 — A100 owners are out
FP4-quantized Qwen3.6-35B fits in ~23 GB on Hopper. vLLM serve commands, env vars, DGX Spark config, and gotchas.
Step 3.7 Flash is a drop-in — except for one endpoint detail
StepFun Step 3.7 Flash: 198B MoE with native vision, Advisor Mode, and an OpenAI-compatible API you can call today. Includes endpoint gotchas and reasoning_effort examples.
You don't pick the RL algorithm — SIA's Feedback loop does
SIA co-evolves scaffold and LoRA weights in one loop. Install, run LawBench, and add custom evals — Hexo Labs, May 2026.
'Gemini Omni 3.5' doesn't exist. Here's the real split.
SDK setup, video generation calls, and conversational editing for Gemini Omni — Google's new world model from I/O 2026.
What openai-codex Beta Gets Wrong on First Install
Official openai-codex first beta: how to pin v0.1.0b1, start a thread, and avoid the beta quirks. Released May 28 2026.
What langchain-fireworks 1.4.x Changed for Your Code
What the 1.4.x patch sequence changed — and a runnable ChatFireworks setup from scratch.
Opus 4.8 Thinking Blocks Were Silently Corrupting on Retry
Thinking blocks on Opus 4.8 were corrupting on retry. v2.1.156 is the hotfix — update, verify, and see what else landed.
Your Claude Code Skills Now Hot-Reload Without Restart
Claude Code v2.1.157 adds .claude/skills/ live-loading, worktree unlocking, and OTEL telemetry. Annotated guide.
SuperGrok 티어별로 Kilo Code 설정이 달라진다
Set up grok-build-0.1 in Kilo Code using your SuperGrok or X Premium+ subscription — VS Code, JetBrains, CLI, and SSH.