guidesJun 17, 2026· 4m
Cache LangChain in your ecommerce assistant with Crowkis
Building ecommerce assistants on LangChain? Add a semantic cache so the same product and policy questions across shoppers stop costing full price.
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.
featuresJun 17, 2026· 5m
Golden answer pinning (CPIN): how it works and when to use it
Golden answer pinning (CPIN), serves a human-approved answer verbatim for any phrasing of a question, with an audit trail of who approved it. Here's how Crowkis does it and why it matters for cost and safety.
referenceJun 17, 2026· 3m
How to use CTHINK and CREUSE: bank a chain of thought
CTHINK stores a reasoning trace as a reusable step graph; CREUSE fetches the matching plan for a new query at a fraction of the token cost.
guidesJun 17, 2026· 5m
Giving an agent memory from Python: CMEM in practice
The memory commands from application code, store facts, recall them semantically, and watch consolidation retire the stale ones. A worked example in Python.
guidesJun 16, 2026· 4m
Cache Rig (Rust) in your education tutor with Crowkis
Building education tutors on Rig (Rust)? Add a semantic cache so students asking the same concepts thousands of times stop costing full price.
guidesJun 16, 2026· 4m
Cache the Mistral SDK in your HR assistant with Crowkis
Building HR assistants on the Mistral SDK? Add a semantic cache so the same policy questions from every employee stop costing full price.
guidesJun 16, 2026· 4m
Cache LiteLLM in your onboarding assistant with Crowkis
Building onboarding assistants on LiteLLM? Add a semantic cache so every new hire asking the same first questions stop costing full price.
guidesJun 16, 2026· 4m
Cache Semantic Kernel in your coding assistant with Crowkis
Building coding assistants on Semantic Kernel? Add a semantic cache so the same explanations and boilerplate reasoning, dozens of times a day stop costing full price.
guidesJun 16, 2026· 4m
Cache LangChain in your healthcare Q&A assistant with Crowkis
Building healthcare Q&A assistants on LangChain? Add a semantic cache so recurring policy and triage questions stop costing full price.
securityJun 16, 2026· 5m
Negative / anti-hallucination cache (CFLAG): how it works and when to use it
Negative / anti-hallucination cache (CFLAG), records known-bad answers so every paraphrase of the question that would reproduce a hallucination is caught. Here's how Crowkis does it and why it matters for cost and safety.
referenceJun 16, 2026· 3m
How to use CSTALE: serve slightly-old, refresh behind it
CSTALE returns a cached answer even past its TTL, flagged as stale, so an expired entry is a snappy answer plus a refresh signal, not a cold miss.
benchmarksJun 16, 2026· 7m
Where the milliseconds go: an honest latency profile
A semantic cache hit isn't free, it has to embed your query first. We measured every operation's percentiles so you know exactly what you're paying for, and where the cache engine itself is microsecond-fast.
guidesJun 15, 2026· 4m
Cache Rig (Rust) in your multi-agent system with Crowkis
Building multi-agent systems on Rig (Rust)? Add a semantic cache so a swarm of agents asking overlapping questions stop costing full price.
guidesJun 15, 2026· 4m
Cache the Mistral SDK in your IT helpdesk bot with Crowkis
Building IT helpdesk bots on the Mistral SDK? Add a semantic cache so the same tickets and fixes, endlessly stop costing full price.
guidesJun 15, 2026· 4m
Cache LiteLLM in your meeting-notes summarizer with Crowkis
Building meeting-notes summarizers on LiteLLM? Add a semantic cache so similar summaries requested repeatedly stop costing full price.
guidesJun 15, 2026· 4m
Cache Semantic Kernel in your RAG document search with Crowkis
Building RAG document search on Semantic Kernel? Add a semantic cache so the same questions re-running retrieval over the same corpus stop costing full price.
guidesJun 15, 2026· 4m
Cache LangChain in your legal document assistant with Crowkis
Building legal document assistants on LangChain? Add a semantic cache so the same clauses and questions across matters stop costing full price.
featuresJun 15, 2026· 5m
Answer lineage and cascade purge (CSOURCE): how it works and when to use it
Answer lineage and cascade purge (CSOURCE), ties answers to their source so that when a document changes, every answer built on it can be purged in one move. Here's how Crowkis does it and why it matters for cost and safety.
featuresJun 15, 2026· 3m
CPROMPT: version your prompts and A/B test them like code
Prompts are production logic edited like sticky notes. CPROMPT gives them named templates, automatic versioning, rollback, variable rendering, and sticky weighted A/B splits, all surviving restart.
referenceJun 15, 2026· 3m
How to use CINVALIDATE: purge by meaning, preview first
CINVALIDATE clears entries whose meaning matches a natural-language instruction, and previews exactly what it would remove until you add COMMIT.