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Valence Sphere

Valence Sphere

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2 min read
Anthropic Doesn’t Need to Sell More AI — It Needs to Own the Economic Layer!

Anthropic Doesn’t Need to Sell More AI — It Needs to Own the Economic Layer!

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5 min read
8 of the 26 Codes Behind HTTP 429 Are Not Rate Limits. Backoff Will Never Clear Them.

8 of the 26 Codes Behind HTTP 429 Are Not Rate Limits. Backoff Will Never Clear Them.

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6 min read
Our reply matching ignored what the customer actually wrote. Jev fixed it for $0.00027.

Our reply matching ignored what the customer actually wrote. Jev fixed it for $0.00027.

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6 min read
Your local RAG isn't slow — it re-reads every document on every question

Your local RAG isn't slow — it re-reads every document on every question

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9 min read
Picking Models as a Mac User

Picking Models as a Mac User

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8 min read
Agentic AI Security: Sandboxing LLM Tool Calls in Production

Agentic AI Security: Sandboxing LLM Tool Calls in Production

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5 min read
Why My Agent Kept Forgetting Things, and How Hindsight Fixed It

Why My Agent Kept Forgetting Things, and How Hindsight Fixed It

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8 min read
LLM evals are a parameter sweep — use a parameter sweep tool

LLM evals are a parameter sweep — use a parameter sweep tool

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9 min read
The MCP Vulnerability That Lives Between Servers, Not In One

The MCP Vulnerability That Lives Between Servers, Not In One

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4 min read
Building a Customer Support Agent with Persistent Memory

Building a Customer Support Agent with Persistent Memory

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7 min read
I Reviewed 12 Free-Tier Integrations. The Same Six Myths Kept Appearing.

I Reviewed 12 Free-Tier Integrations. The Same Six Myths Kept Appearing.

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4 min read
Free Tokens, Real Queues: Measure What Your LLM Calls Actually Cost

Free Tokens, Real Queues: Measure What Your LLM Calls Actually Cost

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4 min read
The same git skill added almost nothing to Sonnet 5.5 and took Opus 5.5 from about 0.5 to 0.86

The same git skill added almost nothing to Sonnet 5.5 and took Opus 5.5 from about 0.5 to 0.86

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4 min read
What Happened When I Gave My Support Agent Hindsight Memory...!!

What Happened When I Gave My Support Agent Hindsight Memory...!!

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9 min read
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