LangGraph
How vibe coders and indie builders use LangGraph: 28 projects built with it and 11 built for it since May 2026.
Projects built with it
28
Share of stated stacks, 4 wks
0.1%
Last 4 weeks vs 8 before
too few to tell
Add-ons built for it
11
Share of stated stacks, per week
Share rather than counts, so changes in how many posts a subreddit lets through don't show up as trends.
Often used with
What's built with it
Latest projects built with LangGraph
- DeepTrade — Lets a user chat with a Telegram bot that researches stocks, drafts Upstox orders, and places them only after manual confirmation.“I spent 2 weeks fighting the Upstox API so I could talk to my broker on Telegram - open-sourced the whole thing”
- Sanctorum — Runs teams of LLM-driven agents in a pixel-art office, where each agent's tool permissions come from the desk it sits at.“I'm Building a pixel building to mange AI agents that can use almost any LLM available”
- Maximem Synap — Gives AI agents persistent memory across sessions, storing user preferences and extracted entities so they stop forgetting context.“AI agents forget everything so I built a memory SDK to fix that - Maximem Synap”
- AgentBridge — Lets an application define agent instructions, tools, and output in one shared spec and run it on different agent frameworks.“I built AgentBridge (non-commercial), an open-source compatibility layer between your application and agent frameworks”
- Repodify — Turns a set of podcast episodes into one shorter, chronological synthetic episode by transcribing, summarizing, and re-voicing them locally or via API keys.“I wanted to learn ML history from old podcasts & I got tired of 40 hours of back-catalog podcasts, so I built Repodify (local / BYOK, open source)”
- cveck — Generates job-tailored resume PDFs from a master profile and a job description using an LLM pipeline and Typst.“Showcase: I turned my personal AI agent skills for fitting my curriculum to jobs into a full open-source tool — here’s how”
- Cursiva — Generates ATS-friendly single-column LaTeX resumes tailored to job postings, with an AI reviewer that flags invented facts.“Recent CS grad tired of the job hunt. I built an open-source tool to generate ATS LaTeX resumes, but feeling that classic imposter syndrome after launch.”
- employee-onboarding-orchestrator — Generates an IT onboarding and offboarding pack for new or leaving employees, including checklists, PowerShell scripts, and drafted emails, with a human approval step.“Built a multi-agent LangGraph system for employee onboarding & offboarding with Azure OpenAI + human approval gate”
- SatyaMark — Verifies text claims and detects AI-generated or tampered images inside any app, showing evidence, sources and a confidence score.“Tired of fake news and AI deepfakes? I built an open-source "Trust Layer" that developers can plug into any app to verify content in real-time.”
- FundersAI — Generates sourced comparison reports for mutual fund schemes, citing official AMC documents and abstaining when claims lack backing.“Built an AI report generator for mutual funds that refuses to make things up — feedback welcome”
- Decree — Routes AI agent actions through policy checks and human approval before execution, then sends a signed webhook with the decision.“Created an approval API that sits between AI agents and the actions they want to take”
- Datalk — Turns uploaded documents or website URLs into a private knowledge base that powers a no-code custom chatbot.“My no-code AI chatbot project (RAG) – built Datalk to learn, feedback welcome!”
- I rebuilt my AI agent that… — Generates source-tiered research reports on a topic by classifying the query, searching and ranking sources by credibility, cross-checking claims, and writing a structured report.“I rebuilt my AI agent that tiers its own sources after catching it cite a Scribd doc next to Britannica”
- Built an AI tool to write… — Generates LinkedIn posts through a multi-step AI pipeline of idea generation, writing, reviewing, and editing to match a user's personal writing style.“Built an AI tool to write LinkedIn posts that actually sound like you”
- AI agent credit score — Computes on-chain credit scores and limits for AI agents from their verified task history, letting them draw and repay credit on testnet.“I built AI agents a credit score — they earn real on-chain credit lines from actually-verified work”
Latest add-ons built for LangGraph
- agent-security-research — Validates agent JSON tool calls against a strict schema and re-syncs stale shared agent state in a LangGraph pipeline using Ollama.“I built an open-source self-healing security pipeline for LangGraph + Ollama to stop agent injection attacks and state desync”
- Sulcus — Provides a single dashboard for monitoring AI agent runs, tool calls, LLM activity, errors and resource usage, with planned permissions, approvals and limits.“We built a control layer for AI agents — looking for people to break it”
- kafka-agent-bridge — Connects LangGraph or CrewAI agents to Kafka topics, handling consumption, retries, idempotency, dead-letter queues, and result routing.“I built a bridge to connect LangGraph/CrewAI agents directly to Kafka”
- OpenBox.ai — Enforces external governance controls on AI agents, including action permissions, human approval gates, behavioural rules, and auditable action logs.“We’re building a governance layer for AI agents. Do SaaS teams actually need this?”
- SafeAI — Statically analyzes AI agent codebases for prompts, tool permissions, autonomy, memory and governance risks.“New OSS project: SafeAI — Static AI Capability & Risk Analyzer”
- TraceSage — Captures LangChain and LangGraph agent runs locally and visualizes their topology, step-by-step replays, and per-call token usage.“I got tired of debugging LangChain agents blind, so I built a local-first observability tool (MIT, no cloud)”
- Agent Map — Renders AI agent runs as a live, color-coded visual graph of devices, sessions, and tool calls.“Built a visual map of AI agent behavior”
- sponsio — Enforces declared YAML rules deterministically at the tool-call boundary before agent actions commit.“I got tired of re-tuning prompts every time I swapped LLMs. Built an open-source layer that enforces agent rules deterministically.”
- Built — Manages allow, deny, and audit policies for AI agent MCP tool calls and syncs signed policy bundles to enrolled developer machines.“Built: cloud-managed MCP policy SaaS allow/deny/audit tools, sync to every enrolled device + a Claude Code plugin”
- DriftGuard — Reviews an agent's proposed actions against a semantic memory of past mistakes and warns or blocks before execution.“I built a semantic mistake memory layer for agents and put it on PyPI”
- AgentScan — Scans a public GitHub repo of a Python LLM agent by running adversarial test payloads against a cloned copy and reports confirmed tool-call bypasses.“Built an AI Agent Safety Scan Tool, Just Copy & Paste Any Github URL and See If Your Agents Are Trustable”
Pitched as alternatives to LangGraph
- PyBotchi — Orchestrates LLM intent detection as nested, deterministic Python business logic using Pydantic models and class inheritance.“Why I created PyBotchi (v4.1.4)?”
- icm-architect — Generates numbered folder structures with markdown state and routing files so each agent step loads only the context it needs.“Token bill down from about $10k to about $400 a month. Folders are Agent Architecture”
- TIL that building a 3-agent AI… — Builds multi-step AI agent pipelines from decorated Python functions, deriving tool schemas from type hints and docstrings.“TIL that building a 3-agent AI pipeline takes 30 lines in LangGraph and 11 in a custom runtime here's what the difference taught me about API design”