Holochain Playground

What is Holochain Playground and what is it for?

Holochain Playground is a command-line tool that connects to Holochain nodes while they are running and lets developers look inside them. It exists so that developers building Holochain apps can watch what their nodes are actually doing during development.

Holochain Playground is a developer tool that lets you look inside Holochain nodes while they are running. It is a command-line program that connects to the admin interfaces of one or more conductors and shows you what those nodes are doing, so you can observe a test network in progress rather than infer it from logs. Darksoil Studio publishes it as a monorepo containing the CLI.

It is aimed at people building Holochain apps who need to see the parts of a node that are normally hidden during development. Local development setups often run several conductors at once, and the playground is written to be run alongside them: it attaches to conductors it can find, or to admin interface addresses you give it directly.

One common use is to start your conductors and then run the playground in the same folder, where it picks up the conductors launched by hc sandbox, hc spin or hc launch. You can also pass admin interface addresses such as ws://localhost:8888 explicitly. The repository README documents both the Nix and npm setup paths.

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