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prompt-cache-key: Stable Hashes for Anthropic Prompt Cache Scopes

prompt-cache-key: Stable Hashes for Anthropic Prompt Cache Scopes

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5 min read
llm-fallback-chain: Ordered Provider Failover for LLM Calls

llm-fallback-chain: Ordered Provider Failover for LLM Calls

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5 min read
prompt-replay: Record LLM Outputs Today, Replay Against a New Model Tomorrow

prompt-replay: Record LLM Outputs Today, Replay Against a New Model Tomorrow

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5 min read
Per-Tool Call-Count Caps: Prevent Any Single Tool From Running Away

Per-Tool Call-Count Caps: Prevent Any Single Tool From Running Away

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4 min read
Four Ways to Truncate Enormous Tool Output Without Breaking UTF-8

Four Ways to Truncate Enormous Tool Output Without Breaking UTF-8

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5 min read
Which Agent Feature Costs the Most? Here's How to Find Out.

Which Agent Feature Costs the Most? Here's How to Find Out.

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7 min read
claude-stream-rs: parse Anthropic SSE streaming responses into a typed Rust enum

claude-stream-rs: parse Anthropic SSE streaming responses into a typed Rust enum

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5 min read
100 Users, One LLM Call: Single-Flight Deduplication with llm-batch-coalesce

100 Users, One LLM Call: Single-Flight Deduplication with llm-batch-coalesce

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6 min read
tool-arg-fuzzy-rs: Fuzzy Match LLM Enum Args to Valid Values in Rust

tool-arg-fuzzy-rs: Fuzzy Match LLM Enum Args to Valid Values in Rust

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5 min read
Your Agent Doesn't Know When to Stop. Give It a Deadline.

Your Agent Doesn't Know When to Stop. Give It a Deadline.

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4 min read
My agent cited a document that does not exist. Here is the library I wrote to catch that.

My agent cited a document that does not exist. Here is the library I wrote to catch that.

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5 min read
agenttap: Wire-Level Prompt Introspection for LLM Agents

agenttap: Wire-Level Prompt Introspection for LLM Agents

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4 min read
tool-call-budgets: Stop Runaway Agent Loops Before They Hit Your Invoice

tool-call-budgets: Stop Runaway Agent Loops Before They Hit Your Invoice

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5 min read
Five Things to Do Before You Deploy Your Agent to Production

Five Things to Do Before You Deploy Your Agent to Production

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6 min read
llm-retry: Full-Jitter Exponential Backoff for LLM API Calls in Rust

llm-retry: Full-Jitter Exponential Backoff for LLM API Calls in Rust

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4 min read
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