Tutorials Intermediate
Code Mode for MCP: Let Claude Write Code to Call Tools
Cut MCP agent context up to 99% by exposing tools as a code API the model calls in code.
9 min read·Kodetra Technologies
4d agoGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
Stateless MCP in Python: The 2026-07-28 Handle Pattern
Port your MCP server to the stateless 2026-07-28 spec using the explicit-handle pattern.
10 min read·Kodetra Technologies
5d ago
Tutorials Advanced
Harden Your Local MCP Server Against AutoJack RCE
AutoJack turned a local MCP server into RCE. Harden yours with origin checks, auth, and allowlists.
9 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
Agentjacking Defense: Firewall Your AI Agent Tools
Build a Python trust-boundary firewall that stops prompt-injection attacks on your AI coding agent.
10 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
Gemini CLI Is Dead: Migrate to Antigravity CLI (agy)
Move your Gemini CLI setup, skills and MCP servers to Antigravity's agy.
9 min read·Kodetra Technologies
11d ago
Tutorials Intermediate
Claude Agent SDK: Lock Down Tools With Permission Hooks
Stop runaway tool calls and agent spawning using canUseTool, PreToolUse hooks and deny rules.
9 min read·Kodetra Technologies
18d ago
Tutorials Intermediate
NVIDIA Verified Skills: Sign and Verify Agent Skills
Build a signed AI agent skill with a skill card using OpenSSF Model Signing, then verify it.
11 min read·Kodetra Technologies
May 27
Tutorials Intermediate
Connect Your App to Gemini Spark with MCP
Build a standard MCP server in Python that plugs into Gemini Spark and Claude Desktop.
9 min read·Kodetra Technologies
May 26
Security Advanced
How to Secure an MCP Server Against Tool Poisoning
Harden MCP servers: kill tool poisoning, validate tokens, sandbox tools
9 min read·Kodetra Technologies
May 20
Tutorials Intermediate
MCP Apps: Build Interactive UIs in Your MCP Server
Render interactive UIs from your MCP server with SEP-1865 and ext-apps.
4 min read·Kodetra Technologies
May 12
Security Intermediate
Passkeys + WebAuthn: Kill Passwords in Production
Implement phishing-resistant passkey login in Node.js: registration, signin, recovery.
12 min read·Kodetra Technologies
May 6
Tutorials Intermediate
Microsoft Agent Governance Toolkit: Secure AI Agents
Block agent attacks in <0.1ms with Microsoft's open-source runtime governance toolkit.
4 min read·Kodetra Technologies
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