Tutorials Advanced
Poppy Protocol: Build a Personal Agent Client
Meta and Sierra's draft agent standard, in Python: discovery, DPoP sessions, and replay tests.
13 min read·Kodetra Technologies
Oct 10Guides
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How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
MCP Auth Without DCR: Ship a CIMD Client Document
MCP 2026-07-28 deprecates DCR. Host a metadata document and let its URL be your client_id.
16 min read·Kodetra Technologies
Aug 25
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