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Install in OpenClaw
/install json-canvas
Description
Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind m...
Usage Guidance
This looks appropriate to install for JSON Canvas work. It is meant to edit local .canvas files, so review diffs or keep backups for valuable canvases, especially when changing existing files.
Capability Assessment
Purpose & Capability
The stated purpose, metadata, and artifact contents align around .canvas file creation, editing, validation, nodes, edges, groups, file nodes, and link nodes.
Instruction Scope
The skill instructs agents to read and write existing .canvas files, which is expected for its purpose; users should still review changes before overwriting important canvases.
Install Mechanism
The package contains only Markdown instruction/reference files and no executable scripts, package dependencies, or install-time actions.
Credentials
No credentials, environment variables, shell commands, external service calls, broad local indexing, or network access are requested by the artifacts.
Persistence & Privilege
It can create or modify persistent local .canvas documents when asked, but there is no evidence of background persistence, privilege escalation, or autonomous activity beyond those files.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install json-canvas - After installation, invoke the skill by name or use
/json-canvas - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
- Initial release of the json-canvas skill.
- Enables creation and editing of JSON Canvas (.canvas) files with support for nodes, edges, groups, and connections.
- Includes detailed workflows for creating canvases, adding nodes, connecting nodes, and editing structures.
- Supports all node types: text, file, link, and group, following JSON Canvas Spec 1.0.
- Provides comprehensive validation guidelines to ensure file integrity.
- Offers layout suggestions, example structures, and references for further learning.
Metadata
Frequently Asked Questions
What is Json Canvas?
Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind m... It is an AI Agent Skill for Claude Code / OpenClaw, with 1392 downloads so far.
How do I install Json Canvas?
Run "/install json-canvas" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Json Canvas free?
Yes, Json Canvas is completely free (open-source). You can download, install and use it at no cost.
Which platforms does Json Canvas support?
Json Canvas is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Json Canvas?
It is built and maintained by Li Yaping (@sadlay); the current version is v1.0.0.
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