Danila (Dayfing)Writing
Agentic coding in practice: Codex, Claude Code, and Copilot CLI with pull requests and tests
8 min
AGENTS.md Without a 1000-Line Instruction Manual: Context for Coding Agents
10 min
AI Act 2026 for Developers: Article 50, Disclosure, Logging, and Human Oversight
10 min
How to Test an AI Agent: Evals, Trace Grading, and Regression Tests
12 min
AI agent observability: traces, latency, tokens, cost, and errors
10 min
AI SDK 6 and TypeScript: Tool Loops, Structured Output, and Human Approval
15 min
MCP 2026-07-28: Stateless Servers and a Safe Migration Path
10 min
MCP Server in TypeScript: Streamable HTTP, OAuth, and Least Privilege
14 min
Assistants API Sunset on August 26, 2026: Responses API Migration Guide
10 min
Production AI Agent Architecture: Tools, State, Approvals, and Evals
14 min
Prompt Injection in AI Agents and MCP: Threat Model and Defense
10 min
RAG in production: hybrid search, pgvector, ACL, and answer quality
15 min