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Public story · 2026-03-11 · source-backed
KV-Cache-Aware Context Engineering (Advanced) — 10x cost reduction by treating cache hit rate as your most important metric. Make system prompts stable, use append-only history, static tools with logit masking. Manus Blog
Claude Code Agent Teams (Intermediate) — Run coordinated multi-instance teams with shared task lists. Enable via CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1. Use Shift+Down to cycle teammates, Ctrl+T for shared tasks. Claude Code Docs
Enforced TDD via Subagent Isolation (Advanced) — Three separate subagents for RED/GREEN/REFACTOR phases. Test writer can't see implementation. Hook-based activation raises enforcement from ~20% to ~84%. alexop.dev
MCP Tool Search (Intermediate) — Lazy-load tool definitions for 95% initial context savings. Write keyword-rich serverInstructions. Auto-activates above 10% context usage. claudefa.st
Cross-Platform SKILL.md (Intermediate) — Write once, run on 26+ platforms (Claude Code, Codex, Cursor, Gemini CLI). Progressive disclosure: ~100 tokens for discovery, full body on activation. Validate with skills-ref validate. agentskills.io
OWASP MCP Server Hardening (Advanced) — Defense-in-depth checklist: input validation with allowlists, containerize with default-deny network, OAuth 2.1 with short-lived tokens, log all tool invocations. 53% of MCP servers still use static credentials. OWASP
Each link below shares sources, entities, or timing with this story.
1. Set Up Cursor Automations (intermediate) — Event-driven agents from PagerDuty/GitHub/Slack triggers with isolated sandboxes. Cursor Blog 2. Apply Context Engineering to Cut Agent Costs 60-80% (advanced) — Hierarchical token budgets, dynamic tool filtering (max 15), automati...
Domain: vibe-coding | Difficulty: advanced | Source Create three isolated subagents (test-writer, implementer, refactorer) with a UserPromptSubmit hook that forces RED→GREEN→REFACTOR cycles automatically. Context isolation between subagents prevents the LLM from "cheating" by...
lean-ctx is a Rust-based system that sits between AI coding tools and LLMs, compressing file reads by 60-99% and shell output by 60-95% using Tree-sitter AST parsing for 18 languages. Cached re-reads cost only 13 tokens. Works as a standard MCP server with 49 tools. Compatible...
Claude Code's Tool Search feature — shipped January 2026, now on by default — solved one of the most expensive hidden costs in agentic development. Previously, connecting 7 MCP servers consumed approximately 51,000 tokens of context just loading tool definitions before any wor...
1. OWASP MCP Top 10 Security Audit (Intermediate) Systematically audit your MCP servers against the OWASP MCP Top 10. Download the checklist, inventory all servers, test each against 10 categories (injection, auth bypass, confused deputy), prioritize by CVSS, remediate critica...
Barry Zhang and Mahesh Murag, the engineers who built Claude Skills at Anthropic, published a talk and engineering post that's gotten 14K+ likes and is reshaping how I think about agent development. The core argument: most agent approaches fail because they lack domain experti...
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