Production-tested skills for AI agents. Every skill is security-scanned, tier-rated, and verified. Browse by ecosystem or category below.
DeepSeek shipped a same-architecture 0731 checkpoint of deepseek-v4-flash this morning. Terminal-Bench 2.1 at 82.7, DeepSWE at 54.4, Cybergym at 76.7, DSBench-FullStack at 68.7 — the Flash tier is now above the Pro tier on agentic coding, at 1/40th the input price of Sonnet 5. The lever is real-trajectory post-training on production coding-agent data. The flywheel is real. Three boardrooms have a rough two months ahead.
Cursor shipped Composer 2 to GA on Wednesday. A multi-agent coding IDE with 12 role-specialized sub-agents, a deadlock-safe lock manager, and an in-editor review packet that turns the human reviewer into a decision node. The launch post buried the architectural primitives. Here is what it actually does, the four production traps for week one, the cost math vs. fully-loaded engineering salary, and why this is the first AI coding tool that changes how engineering teams hire.
Anthropic shipped a 5-level effort parameter with Opus 5 — low/medium/high/xhigh/max — and told everyone it lets you trade intelligence for cost. The buried finding nobody is covering: on Frontier-Bench v0.1 and the Artificial Analysis Coding Agent Index, max underperforms xhigh while costing more. Plus: changing effort mid-conversation invalidates your prompt cache. Here is what the dial actually does, when to use which setting, and the three production traps waiting for your migration.
GLM-5-Max (Zhipu, Apache 2.0), Qwen 4-Max (Alibaba, Apache 2.0), and Llama 4-Behemoth (Meta) all went GA within 72 hours. GLM-5-Max hits 92.1% of Claude Opus 5 on Frontier-Bench v0.1 at $0.32/$1.20 per million tokens — or $0.08/$0.30 self-hosted on 8x H100 PCIe. The closed-weights argument just collapsed. Here is the per-model breakdown, the price/performance math, the inference-economics reality, the things the open models still cannot do, and the playbook for the routing stack you build this month.
Sakana AI launched Fugu-Cyber on July 21, 2026 — a third endpoint on its Fugu multi-agent orchestrator tuned for security reasoning. Sakana reports 86.9% on CyberGym (above GPT-5.5-Cyber's 85.6% and Claude Mythos Preview's 83.1%) and 72.1% on CTI-REALM. Pricing is $6 / $36 / $0.60 per million tokens with a 20% premium over Fugu-Ultra. Access is gated: application form, manual review, defensive AUP, no EU/EEA, no weights. The point is not the benchmark. The point is that this is the first credible answer to the question 'can a hosted frontier API ever be safe enough for a SOC to actually use?' Here is the architecture, the cost model, the comparison to Mythos / GPT-5.5-Cyber / a self-hosted stack, and the playbook for what to build on top of it.
AWS Bedrock AgentCore went GA on July 25, 2026 — seven managed services (Runtime, Memory, Gateway, Identity, Browser, Code Interpreter, Observability) priced like Lambda at ~$428 per 100K sessions vs $1,067 for self-managed ECS. Plus the Strands SDK 1.0 going open-source Apache 2.0. The agent framework wars are over and nobody told you. Here's the cost model, the comparison to LangGraph / Temporal / Inngest / Hatchet / DBOS / Restate, and the playbook for what to migrate and what to keep.
Anthropic shipped Claude Opus 5 on July 24, 2026 — a near-Fable-5 model at $5/$25 per million tokens, no Fable-grade data retention, and 85% fewer cyber-classifier trips. With this release, the Claude 5 lineup is complete except for Haiku. Here's what shipped, what it costs, and why it changes your default.
Nvidia's Hot Chips 38 keynote put Rubin Ultra on stage at 1.5 MW per rack, with a fully liquid-to-liquid rack-scale design and per-rack telemetry that enables dynamic power capping. The headline is the wattage, not the FLOPS. The U.S. grid is not, and will not be, able to deliver that power at scale on AI-industry timelines. Transformer lead times are 24-30 months. Gas turbines are back-ordered into 2028. SMRs are not landing before 2029. Phoenix is closed for new AI datacenter builds. The frontier labs are now functionally utility companies with GPUs as the load. Here is what 1.5 MW per rack does to a 2027 inference forecast, the Python model that disaggregates model cost from power cost, and what to commit to before procurement teams move.
Late yesterday afternoon the DOJ Antitrust Division filed a 14-page closure memo on the Nvidia-Microsoft-Anthropic vertical concentration probe opened in October 2025. No consent decree, no break-up, no conduct remedy — dismissed without prejudice, six specific practices preserved for re-investigation. The forward-rate on Anthropic API through Q1 2027 just dropped 18% on the spot side and 20-35% on MSA-locked. Here is what is actually in the 14 pages, what the math now looks like, and what you should commit to before procurement teams move.
On July 21, 2026 Google shipped Gemini 3.6 Flash, 3.5 Flash-Lite, and the gated cybersecurity specialist 3.5 Flash Cyber inside CodeMender — and announced that Gemini 4 pre-training is underway. The 3.5 Pro delay was never really about a single model. It was about Google's whole lightweight-first strategy shifting under their feet. Here is what matters and what to do today.
Anthropic filed a confidential S-1 with the SEC last week at a $900B-$1.2T implied valuation. The math does not close on software-revenue multiples — it closes on compute-asset multiples. Here is why your inference stack now depends on the oil pipeline, not the API.
Bloomberg reported on July 16 that Google scrapped its near-ready Gemini 3.5 Pro and restarted training after coding results came in worse than expected. The flagship Pichai promised for June is now a rebuild with no public release date. Here is what that actually means for anyone building on Google AI.
Six AI model launches in seven days. Five vendors. Four different pricing strategies. Kimi K3, DeepSeek V4, Grok 4.5, and Leanstral 1.5 just ended the single-vendor era. Here is the production router stack I would build on Monday if my inference bill were north of $50K a month.
Moonshot AI paused new Kimi K3 signups on July 19–20 after 48 hours of demand pushed its GPU fleet to the limit. Here's why a frontier open-weights model hitting a compute ceiling 4 days after launch complicates the open vs closed argument.
DeepSeek V4 officially went GA on July 13, 2026 — and with it came a pricing structure that every production API user needs to understand: peak hours (Beijing 9–12am and 2–6pm) now cost 2x off-peak rates. Here's what this means for your inference budget and why the off-peak math is genuinely absurd.
OpenAI's July 9 GPT-5.6 release isn't a single flagship — it's Sol, Terra, and Luna with a new multi-agent Ultra mode, programmatic tool calling, and pricing that makes Claude Fable 5 look expensive. Here's what practitioners actually need to know.
GPT-5.6 Sol, Terra, and Luna went GA on July 9, 2026 — two weeks after OpenAI held the models back at the U.S. government's request because they were too good at offensive cyber. The model is real. The precedent is worse.
OpenAI shipped GPT-5.6 Sol, Terra, and Luna to general availability on July 9, 2026. The coding benchmarks got the headlines. The cybersecurity numbers — ExploitBench2 47.9% to 73.5%, SEC-Bench Pro 45.8% to 71.2%, ExploitGym3 approximately 2x pass rate — are what actually move the needle, and the new Daybreak trusted-access regime is the most consequential deployment model any frontier lab has ever shipped.
A fintech I work with burned $112,000 in three weeks after flipping their support agent to o3-pro and not instrumenting reasoning tokens. Reasoning models broke every assumption you had about LLM cost predictability. Here is the OTEL-native, vendor-portable stack that fixes it.
Claude Code will happily `rm -rf` the wrong directory. Wire a 20-line `PreToolUse` hook that vets every Bash command against a denylist of foot-guns and exits non-zero to veto the dangerous ones. Twenty lines, no seatbelt excuses.
Every LLM gateway I've shipped in 18 months has been a glorified routing proxy with a config file. Portkey is the first open-source one that figured out the gateway layer is supposed to be a control plane, not a proxy.
SWE-Bench, tau-Bench, GAIA, OSWorld, WebArena — every public agent leaderboard in 2026 is rigged carnival theatre. Labs know it. Your CFO does not. The score that matters is the one you run yourself on your own tickets.
Mistral shipped Leanstral 1.5 — an Apache-2.0 open-weights MoE (119B total, 6.5B active) that solved 587 of 672 Putnam problems for ~$4 each, against Seed-Prover 1.5's $300+. Formal verification just became cheap.
Pre-counting tokens stops the obvious cost incidents. It does not stop the agent loop that spins for two hours calling gpt-4o-mini 40,000 times because a JSON schema validator keeps returning 400. You need a hard kill switch — a process-level budget that aborts mid-stream when the meter passes the cap. Here is the build, 30 lines.