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generate-slsa

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Add a SLSA Generation step (YAML type: provenance) to an existing Harness pipeline to generate SLSA provenance and optionally attest with Cosign (keyless, key-based, or Vault). Supports container images (Docker, ECR, GCR, GAR, ACR, HAR) and Harness Local Stage artifacts. Place after image build/push; run sequentially after SBOM steps, not in parallel. Only works with existing pipelines. Use when asked to generate SLSA, add SLSA provenance, SLSA Generation step, attest SLSA, or configure SLSA Level 3 provenance in a pipeline. Trigger phrases: generate SLSA, SLSA generation, add SLSA step, SLSA provenance, attest SLSA, SlsaGeneration, provenance step, SLSA attestation, add provenance step.

skills/security/generate-slsa/SKILL.md

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Nov 11, 2026

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134
Repository last updated
Oct 28, 2026
License
Apache-2.0

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# Generate SLSA

Add a **SLSA Generation** step to an existing Harness pipeline to generate SLSA provenance and
optionally attest/sign the `.att` file in the container registry. Pipeline YAML uses
`type: provenance` (UI label: SLSA Generation; do not use `SlsaGeneration` — API rejects it).

This skill only works with **existing pipelines** — do not create standalone SLSA-only pipelines.

**Prerequisites:** Image must be built and pushed (or available in registry) before SLSA runs.
Key-based attestation requires Cosign key pair secrets (`/create-secret`). Harness Cloud builds
enable SLSA Level 3 provenance when using hosted infrastructure.

Guide the user through a **step-by-step interactive wizard** (same UX as `/configure-repo-scan`):
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