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import antigravity

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Render Tool Output as LLM-Friendly Markdown: Give the Model Readable Data, Not Raw JSON

Render Tool Output as LLM-Friendly Markdown: Give the Model Readable Data, Not Raw JSON

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5 min read
Composable Output Guardrails: Filter Agent Responses Before They Reach Users

Composable Output Guardrails: Filter Agent Responses Before They Reach Users

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4 min read
Step Through Your Agent's Failures Like a Debugger

Step Through Your Agent's Failures Like a Debugger

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4 min read
Fix Bad Structured Output by Feeding the Error Back to the Model

Fix Bad Structured Output by Feeding the Error Back to the Model

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4 min read
Structured Citations for LLM Agents: Track Where Every Claim Came From

Structured Citations for LLM Agents: Track Where Every Claim Came From

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4 min read
Rule-Based LLM Output Validation: Reject Bad Responses Before They Reach Your Users

Rule-Based LLM Output Validation: Reject Bad Responses Before They Reach Your Users

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5 min read
VCR-Style Record/Replay for LLM Tests: Make Your Agent Tests Deterministic and Free

VCR-Style Record/Replay for LLM Tests: Make Your Agent Tests Deterministic and Free

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4 min read
In-Process LRU Cache for LLM Calls: Stop Paying for the Same Response Twice

In-Process LRU Cache for LLM Calls: Stop Paying for the Same Response Twice

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4 min read
Build Anthropic Content Blocks Without Wrestling With Dicts

Build Anthropic Content Blocks Without Wrestling With Dicts

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3 min read
Named Persona Registry: Keep Your Agent Identities Consistent Across Every Session

Named Persona Registry: Keep Your Agent Identities Consistent Across Every Session

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4 min read
Normalize Provider Error JSON So Your Agent Can Actually Handle Failures

Normalize Provider Error JSON So Your Agent Can Actually Handle Failures

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3 min read
AgentSnap: Usage Tracking With Cost Aggregation for LLM Agents

AgentSnap: Usage Tracking With Cost Aggregation for LLM Agents

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4 min read
Fast Heuristic Token Counter: Know Your Prompt Size Without Calling tiktoken

Fast Heuristic Token Counter: Know Your Prompt Size Without Calling tiktoken

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4 min read
Persist LLM Conversations Safely: JSONL, Redaction, and Encryption

Persist LLM Conversations Safely: JSONL, Redaction, and Encryption

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6 min read
Declarative Tool Prerequisites: Enforce Tool Ordering Before the Agent Calls in the Wrong Order

Declarative Tool Prerequisites: Enforce Tool Ordering Before the Agent Calls in the Wrong Order

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4 min read
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