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import antigravity

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My agent made a $400 mistake. I had no idea why. So I built a WHY layer.

My agent made a $400 mistake. I had no idea why. So I built a WHY layer.

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5 min read
prompt-template-version: Semver-Pin Your System Prompts So You Can Always Roll Back

prompt-template-version: Semver-Pin Your System Prompts So You Can Always Roll Back

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6 min read
The Tool That Kept Doing Full-Table Scans: tool-arg-defaults

The Tool That Kept Doing Full-Table Scans: tool-arg-defaults

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6 min read
agent-citation: Track Where Every Agent Claim Came From

agent-citation: Track Where Every Agent Claim Came From

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6 min read
llm-retry-py: Full-Jitter Retry for LLM Calls in Python

llm-retry-py: Full-Jitter Retry for LLM Calls in Python

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5 min read
tool-output-truncate-py: Trim Tool Output Before It Eats Your Context Window

tool-output-truncate-py: Trim Tool Output Before It Eats Your Context Window

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5 min read
Heuristic Prompt Compression: Cut Your Context Window Usage Without Losing Key Information

Heuristic Prompt Compression: Cut Your Context Window Usage Without Losing Key Information

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4 min read
Durable Agent State Checkpoints: Resume Where You Left Off When the Run Crashes

Durable Agent State Checkpoints: Resume Where You Left Off When the Run Crashes

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4 min read
Stop Your Agent from Sneaking in 'I would recommend...' When You Said Only 'escalate', 'resolve', or 'defer'

Stop Your Agent from Sneaking in 'I would recommend...' When You Said Only 'escalate', 'resolve', or 'defer'

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5 min read
Sanitize Your LLM Message Lists Before Every API Call

Sanitize Your LLM Message Lists Before Every API Call

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3 min read
llm-tool-arg-coerce: Stop LLM String Arguments From Crashing Your Tools

llm-tool-arg-coerce: Stop LLM String Arguments From Crashing Your Tools

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5 min read
Version and Hash Your Prompt Templates: Know Exactly Which Prompt Produced Each Response

Version and Hash Your Prompt Templates: Know Exactly Which Prompt Produced Each Response

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5 min read
Score Your Agent's Responses With a 0.0-1.0 Rubric (No LLM Judge Required)

Score Your Agent's Responses With a 0.0-1.0 Rubric (No LLM Judge Required)

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4 min read
agent-event-bus: Sync and Async Pub/Sub for Agent Events

agent-event-bus: Sync and Async Pub/Sub for Agent Events

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5 min read
Debug Agent Failures After They Happen with JSONL Traces

Debug Agent Failures After They Happen with JSONL Traces

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5 min read
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