How OpenAI Reviews Codex With Codex
OpenAI's Codex review harness runs 4 specialist agents plus risk classification, AGENTS.md rules, and a shipped review skill. Copy the production pattern.
Production-grade guides for AI engineers: agents, MCP, patterns, build logs
Showing 12 of 221 posts
Build the Ethereum Agent Trust Stack: ERC-8004 to ERC-8196
An implementation guide to Ethereum's three-layer agent trust stack: ERC-8004 identity, ERC-8126 verification, and ERC-8196 policy-bound execution for agents handling real money.
Coinbase AgentKit Tutorial: Give Your AI Agent a USDC Wallet
AgentKit wires a LangGraph agent to an on-chain wallet but ships zero guardrails. Scaffold it, add x402 SpendControls, and compare Agentic Wallets.
Best LLM for crypto trading: four live benchmarks compared
A framework for reading live AI trading benchmarks, comparing TradeRank Arena, Alpha Arena, Crowly Arena and CAIBA on rules, capital and scoring.
Know-Your-Agent: A Guide to AI Agent Identity and Authorization
A builder's guide to KYA, Visa TAP, Mastercard Verifiable Intent and x402 — how agent identity, user authorization and settlement fit together.
Most AI Trading Bots in 2026 Can't Prove Their Claims
A September 2026 audit scorecard rates 12 crypto AI trading products on whether their performance claims are independently verifiable.
EIP-8141 frame transactions: an agent builder's field guide to Hegotá's native account abstraction
EIP-8141 frame transactions are Hegotá's S-tier native account abstraction: PQ key paths, keyed nonces, no-relayer fees. What AI agents must do now.
LangGraph vs CrewAI vs AutoGen vs Google ADK: pick the abstraction, not the framework
A code-level comparison of the four frameworks that dominate 2026 multi-agent work. State models, orchestration patterns, durability, and observability — with a working snippet per framework, a comparison table, and a decision matrix for production teams.
Agentic Wallet Security in 2026: A Builder's Guide to the Policy-Engine Pattern
Agent wallets are the top new attack surface for AI crypto systems. A builder's guide to the policy-engine pattern — allowlists, spend limits, approval gates, and key isolation — as shipped by MetaMask, Coinbase, MoonPay, and Turnkey.
Build a Pay-Per-Call API That Charges AI Agents in USDC (x402 Build Log)
A build log for turning any data endpoint into a USDC pay-per-call API that AI agents pay automatically over plain HTTP — no API keys, no signup. Full x402 handshake, SDK scaffolding, Coinbase quickstart, and Zerion's live $0.01/call reference.
ExploitBench 32% vs 76%: the benchmark gap shaping Bitcoin's AI audits
ExploitBench grades Kimi K3 at 32% vs ~76% for closed US models — yet the same model filed 7,958 Bitcoin audit findings. Here's how to read the scores.
AI crypto trading agent architecture in 2026: the five-stage pipeline from data ingestion to on-chain settlement
How AI crypto trading agents are architected in 2026: the five-stage pipeline from data ingestion to on-chain settlement, and where guardrails fail.
Exchange-Native AI Agent Platforms: A Four-Axis Evaluation Guide for Engineers
Binance Agent OS, OKX Agent Trade Kit, Coinbase Advisor, and Webull MCP shipped agentic trading in 2026. This Monday guide gives engineers a four-axis evaluation framework — isolation, permissions, regulation, disclosure — plus a guardrail checklist.