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Nikhil Varma

Nikhil Varma

Building and dissecting AI systems. Writing about LLMs, Agentic AI, RAG, AI architecture, and the engineering realities behind the hype.

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The “Multi-Agent” AI Bubble Just Burst. Here’s What Anthropic is Building Instead.

8 min readSep 28, 2026

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Stop burning cloud credits on chatty AI agents. Here is the exact modular “Skill” architecture top engineers use to actually ship code.

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Anthropic on-demand Skill architecture: dynamic execution cartridges replacing token-burning multi-agent conversational swarms.

1. The multi-agent swarm hangover

We watched the demos. Five AI agents chatting in a terminal, building software autonomously. It looked like the future.

Then we tried running it on an actual codebase.

Within twenty minutes, the Product Manager agent hallucinated a requirement, the Architect agent built a broken schema, and the QA agent entered an infinite loop thanking the Engineer agent for trying its best.

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We burned $40 in API credits, generated zero working code, and polluted our terminal with ten thousand lines of conversational noise.

That was not autonomous software engineering. That was an unmanaged committee meeting running on a language model.

2. The physics of context rot

To understand why multi-agent swarms fail so reliably in production, you have to look at the mathematical reality of self-attention.

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Nikhil Varma
Nikhil Varma

Written by Nikhil Varma

Building and dissecting AI systems. Writing about LLMs, Agentic AI, RAG, AI architecture, and the engineering realities behind the hype.