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Unofficial LangChain.js port of langchain-postgres (Postgres/pgvector integrations for LangChain).

DocsGPT 🦖 is an innovative open-source tool designed to simplify the retrieval of information from project documentation using advanced GPT models 🤖.

Safe, task-scoped adaptive capability runtime for Overpowered and Pi

Extract PyPI metadata — version, author, license, homepage, download counts — for the core AI/ML Python stack: transformers, torch, langchain, openai, anthropic. Official PyPI JSON API pipeline. $1.00/1K, no auth required.

ainize — Ainize (AI + -ize) knowledge-marketplace CLI: publish, verify, live-test (chat), trade and load knowledge patches; `ngram` alias kept (successor of the 2019 ainize-cli)

n8n node for SugarCRM integration with custom modules support

n8n community node for the x402 payment protocol with Nano (XNO): paywall triggers and payment flows for AI APIs and HTTP resources

LangChain token-capture companion for the TokenPolice Node.js SDK. Install alongside token-police to enable automatic LangChain instrumentation.

n8n trigger node for Factuarea — starts a workflow when Factuarea delivers a signed webhook event.

Vectorless RAG: tree + hash addressing with structural query resolution and a BM25 fallback, instead of one embedding per chunk. Zero required dependencies. Domain packs for medical, finance, and education.

Narrative Tracing for LangChain.js - Langfuse-based observability for the Narrative Intelligence Stack

State Machine Specification layer for LangGraph - declarative workflow specs with formal validation, relational accountability, and Mermaid visualization

Relational Intelligence for the Narrative Intelligence Stack - Medicine Wheel ontology, importance units, epistemic iteration, value gates, and Fire Keeper coordination grounded in Indigenous relational paradigms

ChatGPT Codex subscription provider for llm-async

Lightweight OpenAI-compatible terminal REPL

Skopon DO node for n8n

API Route community provider for the Vercel AI SDK

n8n community node for the Qwease ITSM API (tickets, users, KB, tasks, webhooks)

n8n community node for Skode CRM — manage leads and trigger on lead events.

TypeScript client for the Vovix LLM API: chat, structured output and tool-calling agents on Amazon Bedrock Mantle. Zero dependencies.