Tag: LangChain

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Mar 28, 20267 min readModel Release BriefIntermediate180 min build

LaunchStack (PDR AI): Self‑hostable startup accelerator for PRDs, onboarding, and marketing docs

Self-hostable LaunchStack (PDR AI) centralizes PRDs, onboarding, marketing and legal docs into a searchable, citeable workspace with role-based reviews and page-level retrieval.

open-source startup self-hosting RAG pgvector

+3 more

TutorialsUnited Kingdom

Open

Mar 14, 20268 min readTooling Deep DiveIntermediate60 min build

predicate-secure: 3-5 line Python wrapper for fail-closed, deterministic pre- and post-verification of AI agent actions

Drop-in Python wrapper that enforces a fail-closed, three-phase safety loop for AI agents: local YAML pre-authorization, action execution, and deterministic post-checks. Fits in 3-5 lines.

predicate-secure security agents python playwright

+3 more

browser-use langchain qwen-2.5