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user: opwizardx
created: 2025-09-13
karma: 20

Misha Kolesnik. Infrastructure engineer since 2017 (SRE, Kubernetes), these days building open-source tooling for AI agents, mostly in Rust.

Author of pond, an open-source archive and search for AI agent sessions: github.com/tenequm/pond

github.com/tenequm x.com/opwizardx misha@kolesnik.io

submissions:

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Six Agent Harness Capabilities for Higher Model Performance
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Claude-video – Give Claude the ability to watch any video
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Hallmark – Anti-AI-Slop Design Skill for Claude Code, Cursor, and Codex
7 points | 9 comments
The new rules of context engineering for Claude 5 generation models
14 points | 1 comments
NInfer: 271 tok/s (543 with speculative) for Qwen3.6-35B-A3B on one RTX 5090
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We probed a pinned GPT-5.5 endpoint: every request carried ~1,447 hidden tokens
4 points | 1 comments
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Don't Put an LLM Behind an MCP Server
2 points | 0 comments
ArcBox: From-Scratch Container Runtime for macOS in Rust (Docker, K8s, MicroVMs)
3 points | 0 comments
Retok: Token-efficiency analyzer for Claude Code and Codex CLI (zero deps)
2 points | 0 comments
Claude Code's system prompts, extracted and tracked across 237 versions
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Lobotomized Claude Code: system-prompt overrides for Opus 4.7
2 points | 0 comments
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Ask HN: Claude Sonnet 4 API returning model with April 2024 knowledge cutoff
1 points | 1 comments