guidesMay 28, 2026· 4m
Cache LangGraph in your customer support bot with Crowkis
Building customer support bots on LangGraph? Add a semantic cache so repeat questions from every customer, all day 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.
guidesMay 28, 2026· 5m
Give LangGraph agents long-term memory with Crowkis
Durable, per-user memory for LangGraph agents that survives restarts and consolidates contradictions, self-hosted, zero egress.
featuresMay 28, 2026· 3m
CBUDGET: per-tenant spend you can see before the invoice does
Token spend is usually a month-end surprise. CBUDGET tracks per-tenant token and dollar consumption in real time and surfaces alerts, so a runaway tenant is a notification, not a billing shock.
securityMay 28, 2026· 3m
PII in a cache: scrub, isolate, erase, prove
Users put personal data in prompts whether you like it or not. The cache's job is a full lifecycle: keep it out of shared entries, find it on demand, erase it provably.
guidesMay 27, 2026· 4m
Cache LangChain.js in your education tutor with Crowkis
Building education tutors on LangChain.js? Add a semantic cache so students asking the same concepts thousands of times stop costing full price.
guidesMay 27, 2026· 4m
Cache Ollama in your HR assistant with Crowkis
Building HR assistants on Ollama? Add a semantic cache so the same policy questions from every employee stop costing full price.
guidesMay 27, 2026· 4m
Cache Semantic Kernel in your onboarding assistant with Crowkis
Building onboarding assistants on Semantic Kernel? Add a semantic cache so every new hire asking the same first questions stop costing full price.
guidesMay 27, 2026· 4m
Cache LangGraph in your coding assistant with Crowkis
Building coding assistants on LangGraph? Add a semantic cache so the same explanations and boilerplate reasoning, dozens of times a day stop costing full price.
guidesMay 27, 2026· 5m
How to cache LlamaIndex LLM calls with Crowkis
Add a semantic cache to LlamaIndex so repeated and reworded questions are served for free, no rewrite, self-hosted.
engineeringMay 27, 2026· 3m
Bloom filters: how the engine knows what it doesn't know
The fastest disk read is the one that never happens. A few bits per key let Crowkis skip files that can't contain your answer, at a 1% false-positive cost we chose on purpose.
use casesMay 27, 2026· 3m
AI coding assistants: the cache your team didn't know it was sharing
Every developer on your team asks the assistant the same questions about the same codebase. With Crowkis behind MCP, the second ask is free for everyone.
guidesMay 26, 2026· 4m
Cache LangChain.js in your multi-agent system with Crowkis
Building multi-agent systems on LangChain.js? Add a semantic cache so a swarm of agents asking overlapping questions stop costing full price.
guidesMay 26, 2026· 4m
Cache Ollama in your IT helpdesk bot with Crowkis
Building IT helpdesk bots on Ollama? Add a semantic cache so the same tickets and fixes, endlessly stop costing full price.
guidesMay 26, 2026· 4m
Cache Semantic Kernel in your meeting-notes summarizer with Crowkis
Building meeting-notes summarizers on Semantic Kernel? Add a semantic cache so similar summaries requested repeatedly stop costing full price.
guidesMay 26, 2026· 4m
Cache LangGraph in your RAG document search with Crowkis
Building RAG document search on LangGraph? Add a semantic cache so the same questions re-running retrieval over the same corpus stop costing full price.
guidesMay 26, 2026· 5m
Give LlamaIndex agents long-term memory with Crowkis
Durable, per-user memory for LlamaIndex agents that survives restarts and consolidates contradictions, self-hosted, zero egress.
operationsMay 26, 2026· 3m
Running a model canary: the operator's walkthrough
Slice the traffic, compare against cached baselines, promote or retreat, model upgrades as a controlled experiment with the cache as your measuring instrument.
economicsMay 26, 2026· 3m
Budgets with teeth: why your LLM spend needs a circuit breaker
Every team has a runaway-loop story that ends with a shocking invoice. Per-key budgets with hard TPM and dollar walls end the genre.
benchmarksMay 26, 2026· 6m
A million vectors on a laptop: the honest vector-search numbers
Crowkis is a cache with a vector index, not a vector database, but it should still hold up at scale. We indexed 100K and 1M vectors and measured build time, search latency, and recall. Including where dedicated vector DBs still win.
guidesMay 25, 2026· 4m
Cache LangChain.js in your voice assistant with Crowkis
Building voice assistants on LangChain.js? Add a semantic cache so latency-sensitive, repetitive spoken queries stop costing full price.