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Mohio Playground
What Mohio Playground is
Mohio Playground is a free browser workspace for learning and experimenting with the Mohio programming language. You write Mohio code in its editor and run it to display a page, without installing software or creating an account. The editor can load examples, save code as a .mho file, and reopen saved files. Examples range from simple programs to projects such as a quiz scorer, stockroom, and guest book. An error strip beneath the page usually indicates the line where a problem occurred, and links lead to full documentation in Mohio’s GitHub repository. The Playground has no deployment options. Code is not retained when its browser tab closes, and the database resets whenever Run is clicked, so it is presented as a learning sandbox rather than a finished-app host. Mohio includes built-in AI reasoning for decisions, content generation, connections, and agents. Its listed data layers include SQLite and PostgreSQL; real Claude reasoning through Anthropic requires an API key.
Who it suits
It suits learners and developers experimenting with Mohio in a browser. It is also useful for trying examples without installation or an account.
What it does well
- Free plan with no account required
- Runs in a browser without installation
- Loads examples and saves .mho files
- Error strip usually identifies the problem line
- Links to full Mohio documentation
What to know first
- No deployment options
- Code disappears after the tab closes
- Database resets whenever Run is clicked
- Real Claude reasoning requires an Anthropic API key
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Mohio Playground | No charge stated · No account required · Runs in browser · Code is not retained after tab closes · Database resets on each run | Free |
As playground.mohio.io lists them, read 11 Oct 2026. The maker's own page has the final word.
Verdict
Mohio Playground provides a focused browser sandbox for writing and running Mohio code. Its file saving and examples support experimentation, while the lack of deployment and persistence limits it to learning and temporary trials.
Facts from Mohio Playground's own pages
- Company and support
- Mohio is a DBA of Particular LLC, and the repository lists Discord and [email protected] as community and contact channels. · mohio.io, 11 Oct 2026
- Database integrations
- The Mohio repository lists working SQLite and PostgreSQL data layers and an Anthropic API integration; real Claude reasoning requires an Anthropic API key. · github.com, 11 Oct 2026
- Deployment options
- none · playground.mohio.io, 23 Sept 2026
- Documentation
- The Playground links to full documentation in the docs folder of the Mohio GitHub repository. · playground.mohio.io, 11 Oct 2026
- Editor tools
- Users can run code, load an example, save code as a .mho file, and open a previously saved .mho file. · playground.mohio.io, 11 Oct 2026
- Error help
- A log strip under the page reports errors and usually identifies the line where they occurred. · playground.mohio.io, 11 Oct 2026
- Examples
- The example dropdown includes programs from simple to involved, including a quiz scorer, stockroom, and guest book. · playground.mohio.io, 11 Oct 2026
- Founded
- 2026 · playground.mohio.io, 19 Oct 2026
- Free plan
- Yes · playground.mohio.io, 23 Sept 2026
- Full-stack runtime
- Yes · playground.mohio.io, 23 Sept 2026
- Headquarters
- Charlotte / Mooresville, North Carolina, USA · playground.mohio.io, 19 Oct 2026
- Intended use limit
- The Playground describes itself as a sandbox for learning and experimentation, not a place to build a finished app that persists data and serves users. · playground.mohio.io, 11 Oct 2026
- Language features
- Mohio describes compiler-enforced AI confidence thresholds, required fallback handling, and audit trails as language features. · github.com, 11 Oct 2026
- Persistence limit
- The Playground does not keep code after the tab closes, and its database resets every time the user clicks Run. · playground.mohio.io, 11 Oct 2026
- Product context
- Mohio is a programming language with built-in AI reasoning, including AI decisions, content generation, connections, and agents. · mohio.io, 11 Oct 2026
- Purpose
- Mohio Playground is a browser-based place to learn and experiment by writing Mohio code and running it to display a page. · playground.mohio.io, 11 Oct 2026
- Security and compliance status
- Mohio says its sector features activate technical enforcement controls but do not guarantee legal or regulatory compliance; certified sector profiles are not yet available in the current repository status. · github.com, 11 Oct 2026
- Setup
- The Playground runs in a browser with nothing to install, and Mohio's About page says no account is required. · playground.mohio.io, 11 Oct 2026
Where Mohio Playground stands on Freedom251
- Coding Playgrounds#117 of 138