umoci
Radar: Initial
Apache-2.0
Creates and modifies OCI images directly, without a container runtime or daemon.
OCI Image, Runtime and Distribution
Specifications it implements
What this tool does to each specification, in the role vocabulary. Follow a standard through to standards.apievangelist.com for what it actually specifies.
| Standard | Role | What that means |
|---|---|---|
| OCI Image, Runtime and Distribution | transforms |
Using this from an agent
- Interfaces
cli- Consumes
- oci-image
- Emits
- oci-image
- Runtime
- Runs offline Deterministic Writes No credentials
Where it applies
Jobs this tool actually does, and the surface each one is exercised on.
Manipulate image layers in a build system that has no Docker available.
ci-pipeline
- Website
- https://umo.ci
- Repository
- https://github.com/opencontainers/umoci
- License
- Apache-2.0 — reported by the GitHub API, verified 2026-08-11
- Stars
- 949 · last commit 2026-03-27
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/tools.json,
against the tool.schema.json
schema, using the roles.json
vocabulary. Start at /llms.txt.