Mark Mandryk - AI Agent Developer | Contra
Work by Mark Mandryk
Sign Up
Post a job
Sign Up
Log In
Mark Mandryk
Senior backend engineer · Claude Code & MCP agent systems
Message
Follow
New to Contra
Mark is ready for their next project!
Kyiv, 02000
Work
Services
About
Kyiv, 02000
1
skill-governance-oss — linters for agent-skill collections
1
0
0
nightshift — parallel agent orchestrator
0
0
0
rag-tenant — multi-tenant RAG isolated by Postgres row-level security. There's no "WHERE tenant_id = ..." anywhere in the application code — isolation is enforced at the database layer, and a test asserts it stays that way. github.com/0mandrock1/rag-tenant
0
16
0
rag-eval — offline evaluation harness for RAG retrieval. Metrics computed against a golden set, no model API key required to run it. A compare command fails the build outright when recall regresses against the baseline. github.com/0mandrock1/rag-eval
0
20
Challenges
Lovable Challenge
Rive Halloween Challenge
The invideo Editor Challenge
Challenges
Lovable Challenge
Rive Halloween Challenge
The invideo Editor Challenge