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Notes from the nest · 980 posts

The Roost

Engineering notes written by the people building Crowkis. Comparisons, use cases, economics, internals, security, operations, and nothing written just to rank.

guidesJul 5, 2026· 4m

Cache the Gemini SDK in your meeting-notes summarizer with Crowkis

Building meeting-notes summarizers on the Gemini SDK? Add a semantic cache so similar summaries requested repeatedly stop costing full price.

guidesJul 5, 2026· 4m

Cache LiteLLM in your RAG document search with Crowkis

Building RAG document search on LiteLLM? Add a semantic cache so the same questions re-running retrieval over the same corpus stop costing full price.

guidesJul 5, 2026· 4m

Cache Haystack in your legal document assistant with Crowkis

Building legal document assistants on Haystack? Add a semantic cache so the same clauses and questions across matters stop costing full price.

securityJul 5, 2026· 6m

Prompt injection: detection at the infrastructure layer

Prompt injection: detection at the infrastructure layer. A practical, Crowkis-grounded take, no hype, just what actually moves cost, latency, and safety.

featuresJul 5, 2026· 5m

Knowledge-graph memory: how it works and when to use it

Knowledge-graph memory, stores subject-relation-object edges you can traverse multi-hop, so 'who works at the customer's company?' is a graph walk, not a guess. Here's how Crowkis does it and why it matters for cost and safety.

featuresJul 5, 2026· 4m

LangChain's cache is exact-match. Here's the two-line upgrade.

LangChain's built-in caches are great until a user rephrases the question. Swap in a semantic cache and the paraphrases start hitting, without changing a line of your chains.

guidesJul 4, 2026· 4m

Cache Dify in your sales enablement tool with Crowkis

Building sales enablement tools on Dify? Add a semantic cache so reps asking the same product questions stop costing full price.

guidesJul 4, 2026· 4m

Cache the Gemini SDK in your SQL generation tool with Crowkis

Building SQL generation tools on the Gemini SDK? Add a semantic cache so the same schema questions and query shapes stop costing full price.

guidesJul 4, 2026· 4m

Cache LiteLLM in your internal copilot with Crowkis

Building internal copilots on LiteLLM? Add a semantic cache so employees asking overlapping questions of the same knowledge base stop costing full price.

guidesJul 4, 2026· 4m

Cache Haystack in your education tutor with Crowkis

Building education tutors on Haystack? Add a semantic cache so students asking the same concepts thousands of times stop costing full price.

featuresJul 4, 2026· 6m

Freshness vs speed: the LLM cache tradeoff

Freshness vs speed: the LLM cache tradeoff. A practical, Crowkis-grounded take, no hype, just what actually moves cost, latency, and safety.

featuresJul 4, 2026· 5m

Bi-temporal (time-travel) memory: how it works and when to use it

Bi-temporal (time-travel) memory, answers what the agent believed at a past instant using validity windows, so you can reconstruct 'what did we know then?'. Here's how Crowkis does it and why it matters for cost and safety.

engineeringJul 4, 2026· 5m

Restart-safe by design: a cache that survives a crash without losing a thing

A cache that forgets everything on restart isn't much of a memory. Crowkis writes durably first, so a crash, a deploy, or a reboot never costs you a single learned answer.

guidesJul 3, 2026· 4m

Cache Dify in your knowledge base assistant with Crowkis

Building knowledge base assistants on Dify? Add a semantic cache so the same lookups across a team all day stop costing full price.

guidesJul 3, 2026· 4m

Cache the Gemini SDK in your devops copilot with Crowkis

Building devops copilots on the Gemini SDK? Add a semantic cache so the same runbook and incident questions stop costing full price.

guidesJul 3, 2026· 4m

Cache LiteLLM in your chatbot with Crowkis

Building chatbots on LiteLLM? Add a semantic cache so high-volume conversational traffic that repeats constantly stop costing full price.

guidesJul 3, 2026· 4m

Cache Haystack in your multi-agent system with Crowkis

Building multi-agent systems on Haystack? Add a semantic cache so a swarm of agents asking overlapping questions stop costing full price.

engineeringJul 3, 2026· 6m

Why Rust for AI infrastructure

Why Rust for AI infrastructure. A practical, Crowkis-grounded take, no hype, just what actually moves cost, latency, and safety.

featuresJul 3, 2026· 5m

Auto fact extraction from conversations: how it works and when to use it

Auto fact extraction from conversations, pulls durable facts out of a transcript deterministically, dropping questions, greetings, and filler, with no model call. Here's how Crowkis does it and why it matters for cost and safety.

securityJul 3, 2026· 6m

The five gates every write passes before it can poison your cache

In any shared cache, one crafted answer could get served to thousands. So every write runs a five-stage gauntlet before it's ever eligible to be reused.