# Oh
> Oh is an open-source memory framework for agents: source-backed records, local retrieval, graph proofs, and verifiable change history. TypeScript SDK, CLI, and SQLite storage. Free and MIT licensed.
When to use this site:
- Use oh.computer to evaluate Oh for your agents: the memory and research-graph model, the CLI, TypeScript SDK, and Agent Skill interfaces, and the local install commands.
- Use /spec for the human-readable Oh ontology and storage contract.
- Use /spec/manifest.json for the machine-readable index of every specification version, schema, and narrative file.
- Use the GitHub repository for the source, the README install and SDK guides, the packaged Agent Skill, and issues.

## Pages
- [Oh](https://oh.computer): Product overview covering the memory and research-graph model, record kinds, verifiable operation history, interfaces, trust boundaries, and local installation.
- [Oh ontology specification](https://oh.computer/spec): The versioned contract for Oh records, graph revisions, SQLite and libSQL storage, sync, semantic search, projections, and composite memory.

## Optional
- [sitemap](https://oh.computer/sitemap.xml): Indexable HTML URLs.
- [specification manifest](https://oh.computer/spec/manifest.json): Machine-readable index pinning the current contract version and its schemas and narrative files.
- [example citation record](https://oh.computer/examples/evidence-table-2.json): One canonical v1 evidence record connecting a stance on a claim to the edition it cites.
- [GitHub](https://github.com/hraness/oh): Source code, README, Agent Skill, releases, and issues.
- [npm](https://www.npmjs.com/package/@hraness/oh): The published @hraness/oh package.