What it actually does
Celld brings Cloudflare's magical 'Durable Objects' architecture to your own infrastructure. It allows you to create stateful, distributed actor models (like AI agents that remember their state forever) without needing to run a complex database or Kubernetes cluster. Amazingly, it uses standard S3 or Google Cloud Storage (GCS) buckets as its entire control plane and state store. You just run `celld` on any server, point it at a bucket, and you instantly have distributed, globally synchronized agent memory.
Who it's for
- 01
Engineers building massive multi-agent simulations who need a cheap, reliable way to store agent state
- 02
Teams migrating away from expensive vendor lock-in who want self-hosted Durable Objects
- 03
Startups wanting to deploy stateful AI applications to edge nodes (like Raspberry Pis or cheap VPSs)
Where it earns its keep
- Hosting 10,000 persistent AI companion agents where each agent's memory is simply a Celld actor backed by S3
- Building a decentralized chat application where chat rooms are stateful objects living on edge nodes
- Creating a multiplayer game backend without writing complex Redis or Postgres synchronization logic
Use it, or skip it
Reach for it when
- You are building a system where millions of AI agents need isolated, persistent memory states
- You want the developer experience of Durable Objects without being locked into Cloudflare
Skip it when
- You are building a standard CRUD application where Postgres works perfectly fine
- You need ultra-low latency microsecond reads—S3 as a control plane is highly durable but not built for high-frequency trading
10 automations
Ideas, not tutorials. Each one is work a team does by hand today.
- 01Sales
Persistent Customer AI Twins
Assign a unique Celld object to every customer. The object permanently remembers every support ticket and purchase, acting as their hyper-personalized AI concierge.
- 02Operations
Global Fleet Tracker
Use Celld actors to represent physical delivery trucks, constantly updating their state and routes backed securely to S3.
- 03Engineering
Multi-Agent Simulation Orchestrator
Run a massive economy simulation where 100k agent personas trade resources, with Celld handling all state synchronization flawlessly.
- 04Engineering
Stateful Webhook Queues
Create a reliable, distributed queue system for handling massive influxes of webhooks from third-party APIs.
- 05Operations
Edge-computed Analytics
Process real-time stream data on cheap edge VPS instances, aggregating state into Celld objects before pushing to cold storage.
- 06Engineering
Decentralized Chat Rooms
Spin up Celld instances on various servers worldwide to host localized, high-availability chat rooms for enterprise clients.
- 07Operations
Smart Home Hub Backends
Represent every smart device in a network as a Celld object, tracking historical sensor data without a heavy local database.
- 08Engineering
AI Game NPCs
Give video game NPCs permanent memories and dynamic state by running them as Celld actors.
- 09Engineering
Distributed Web Scraper Memory
Coordinate a fleet of 500 web scraping agents, using Celld to ensure they don't scrape the same URLs twice.
- 10Operations
Document Processing Pipeline
Track the multi-stage OCR and extraction status of thousands of legal documents across various worker nodes.
Want one of these running by Friday?
LimeDock builds these as real workflows inside your stack — deployed to your cloud, wired into your Slack and CRM, with the code in your repo. You pay a build fee and your own API keys, nothing else.
Source
Repository stats were read from the GitHub API and reflect the last time we refreshed this entry. The editorial breakdown above is LimeDock’s own analysis — we are not affiliated with denoland.
https://github.com/denoland/celld