GitHub Repository Code Signing and Attestation with Post-Quantum Cryptography
Automate post-quantum code signing and software supply chain attestation for GitHub repositories and release artifacts. This workflow asks the user which GitHub repository, branch, tag, or specific file they want to certify, downloads the content using the GitHub Repo Browser tool, and signs it with the Quantum-Safe File Attestation tool using ML-DSA-65 (Dilithium3) post-quantum digital signatures via hardware security module. Returns a verifiable attestation package containing a cryptographic manifest, digital signature, and verification bundle with a downloadable certificate link. Use cases include software release signing, open source distribution integrity, SBOM attestation, build artifact certification, code audit compliance evidence, CI/CD pipeline integrity verification, regulatory submission of source code, DevSecOps supply chain security, and tamper-proof repository snapshots for legal or IP protection.
Step 1 of 5
Prompt1
Gather Repository Details
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Tool2
Download from GitHub
Use the repository details gathered from the user. If the user specified a single file path, use the download_to_storage action with the owner, repo, and path. If the user wants the entire repository or a subdirectory archived, use download_repo_to_storage with the owner, repo, and optional path filter. Record the returned file_id and signed_url from the result for the next step.
Prompt3
Prepare Attestation Input
No prompt text was added.
Workflow preview
What the agent will follow (tools, prompts, and workflow steps).
1. Call tool: GitHub Repo Browser - Read Only (Download from GitHub). Instructions: Use the repository details gathered from the user. If the user specified a single file path, use the download_to_storage action with the owner, repo, and path. If the user wants the entire repository or a subdirectory archived, use download_repo_to_storage with the owner, repo, and optional path filter. Record the returned file_id and signed_url from the result for the next step. 2. Call tool: Quantum-Safe File Attestation (Create Quantum-Safe Attestation). Instructions: Call the attest_artifact action with the file_id from the previous step. Set the artifact_name to the descriptive name prepared (e.g., 'owner/repo:path'). Include metadata with repository details such as owner, repo, branch, and commit SHA. The tool will sign the file with ML-DSA-65 and return a full attestation package including manifest, signature, and verification bundle.
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