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Tagged: LangChain
Rebuilding a Claude Code-Style Agent With LangChain Deep Agents
How a coding agent's harness works, from the core loop to tools, planning, memory, subagents and sandboxed approvals, rebuilt step by step with deepagents.
16 min readRunning Deep Agents in a Local OpenSandbox Backend
How to wire OpenSandbox into Deep Agents through BaseSandbox, bridge sync and async code, and run a data analysis agent safely in a local Docker sandbox.
15 min readA MongoDB-Backed Virtual Filesystem for LangChain Deep Agents
A MongoDB-backed virtual filesystem for LangChain Deep Agents: bytes in object storage, search in Atlas with hybrid grep, rank fusion, chunking and sync.
8 min readThe Naked Agent: What Breaks When Nothing Guards the Model
Build the same unprotected travel agent in the Claude Agent SDK and LangChain Deep Agents, then watch three failures show which harness controls are missing.
9 min readA QuickBooks Finance Agent Running on a Local LLM With Ollama and LangChain
A ReAct agent on Qwen 3.5 9B and an RTX 4070 reads live QuickBooks data via LangChain and Ollama, a local LLM at zero cloud cost. Code, output and limits.
13 min readMCP for LangGraph Agents, Level by Level: Servers, Transports and the Adapter Bridge
MCP for LangGraph agents, level by level: host, client and server roles, a FastMCP server, stdio vs HTTP transports, langchain-mcp-adapters and pitfalls.
17 min readWhy Long-Horizon Agents Need a Harness: How Deep Agents Manages State and Context
Why long-horizon agents need a harness: how LangChain Deep Agents fights context rot with four pillars, middleware, filesystem backends and isolated subagents.
12 min readNOVA : trier des tickets avec Jev, des règles Python et un agent LangChain
Un assistant de support de niveau 1 qui sépare l'analyse du ticket avec Jev, les règles métier en Python et la rédaction d'un brouillon par un agent LangChain.
10 min readBedrock AgentCore Hands-On: Terraform, LangGraph and the Gotchas Found
What AgentCore's Runtime, Gateway, Memory and Identity do, plus six deployment gotchas, rough pricing and a verdict versus hand-built agent hosting on AWS.
9 min read
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