
DeepSeek Super-Agent: A Proactive Coding Agent
DeepSeek open-sourced its super-agent prototype on October 31, 2026: a proactive coding agent on Harness. How it works, how it compares, and the limits.
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Working notes on building AI systems and digital products that hold up in production.
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Prompt changes silently break downstream agent tool calls. A guide to building deterministic eval harnesses, trajectory metrics, and CI regression testing.
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DeepSeek open-sourced its super-agent prototype on October 31, 2026: a proactive coding agent on Harness. How it works, how it compares, and the limits.

On October 21, 2026, Node.js shipped 11 CVE fixes and PHP shipped two critical RCE fixes the same day. What changed, and the patch order to follow.

GraphRAG enables multi-hop reasoning across documents, but indexing cost and latency are high. Technical comparison with Hybrid RAG and trade-offs.

The MCP protocol gives AI agents direct tool execution, raising severe security risks. Here is the tool guard architecture, schema hygiene, and audit pattern.

Claude Opus 5.5 does not output video directly. A full look at the harness pattern: local editor, deterministic render, MP4 export, sound, and real examples.

Anthropic released Claude Opus 5.5 on September 22, 2026 at a lower price than Opus 5. Here is the official summary and how to evaluate before migrating.

Recent surveys and studies show the software engineer's role shifting from writing code to orchestrating AI agents. Here is the data and what it means.

OpenAI released GPT-6.1 Sol at DevDay 2026 on September 29: near-Astra intelligence at a fifth of the price. The official facts and what to evaluate.

Vibe coding is fast for prototypes; spec-driven development protects quality in production. Here is the difference and how to choose for your project.

From October 1, 2026, WhatsApp Business service messages beyond the free tier are charged, and Meta is preparing its Business Agent. Official changelog summary.

AI keeps getting better at writing code, but research on cognitive debt and verification shows why learning programming still matters. Here is the case.
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