JJeet Mondal·4h agoHow Fast Can You Build an AI SaaS MVP in 2027?A Benchmark Report10 min read·itsjeet.hashnode.dev1
KKizuki·7h agoTimestamp citations from YouTube transcripts: a one-line formula, and where it stops being the problem14 videos, 1,257 probes and 322 rewritten questions: LangChain's default chunks give a playable link about 25% of the time, and with rewritten questions most misses happen before the timestamp.12 min read·kizukidata.hashnode.dev
WWaqas Shahid·10h agoLangChain Tutorial: Build Your First LLM App in PythonQuick answer LangChain is a Python framework for building applications powered by large language models, and in current LangChain 1.x you compose those applications with LCEL, the LangChain Expression8 min read·practicaldevblog.hashnode.dev
NNoah Grinstein·3d agoSelf-Host Langflow on Control Plane: A Shared Agent Builder with PostgreSQL and Login RequiredSelf-host Langflow on Control Plane as a shared agent builder backed by PostgreSQL, with login required for your team.9 min read·controlplane-eng.hashnode.dev
NNoah Grinstein·3d agoSelf-Host LangGraph Agents with Aegra on Control Plane: A Private Agent ServerSelf-host LangGraph agents with Aegra on Control Plane: install the template, connect Postgres, and stream runs from a private agent server.9 min read·controlplane-eng.hashnode.dev
MMemorySync·5d agoLangGraph: fixing 'Checkpointer requires one or more of the following configurable keys: thread_id, checkpoint_ns, checkpoint_id'A graph compiled with a checkpointer needs a thread_id in config['configurable'] on every call. Here's where it goes, why context= doesn't count, why LangServe drops it, and why None or an empty string is worse than the error.13 min read·memorysync.hashnode.dev
BBelal Shafiq·5d agoHow a Silent Agent Loop Cost Me $3k in API Bills (And How I Fixed It)Stop silent agent loops from draining your API budget. Learn how a multi-agent ping-pong loop cost me $3k and how to fix it with runtime middleware.4 min read·agenttrafficcop.hashnode.dev2A
MMemorySync·6d agoLangGraph 'Could not reconstruct builtins.set from checkpoint': why a set of tuples comes back as a listA set of tuples in LangGraph state comes back from a checkpoint as a list of lists (or None on langgraph-checkpoint 4.2.0). Why the serializer can't rebuild it, and a state shape that round-trips, tested on langgraph 1.2.20.13 min read·memorysync.hashnode.dev
SSai Kiran Kshatriya·Nov 5Run a LangChain Deep Agent on a CockroachDB Virtual Cluster with Durable CheckpointsA stateful agent that survives a restart, a human-approval pause, and a lost process — because its checkpointer lives in an isolated virtual cluster.18 min read·saikirankshatriya.hashnode.dev
AAgentSearch·Nov 5How to Add Web Search to a LangGraph Agent in Python (No API Key)Add live web search to a LangGraph agent with langchain-agentsearch: StateGraph, ToolNode, memory, streaming and spend caps. Free, no API key.10 min read·agentsearchhq.hashnode.dev
