sigstore

Keyless Git signing using Sigstore

MDA Open Spec — a Markdown superset for agent-facing documents. One .mda source compiles to drop-in SKILL.md, AGENTS.md, MCP-SERVER.md, and CLAUDE.md. JSON Schema validated, with typed dependency graph, footnote relationships, and Sigstore-anchored signatures. For agentskills.io and AAIF runtimes.

Common go library shared across sigstore services and clients

An admission controller that integrates Container Image Signature Verification into a Kubernetes cluster

The open standard for proving any file is real, unaltered and sealed

Supply chain security for ML

An experimental Rust crate for sigstore

Trusted builds made easy! A cloud-native software factory for building, testing, and releasing trusted software artifacts

Is your lockfile pwned? 5-second scan of npm/PyPI/Maven/Cargo/Go/RubyGems lockfiles for compromised packages — OSV + curated campaign feed, --min-age cooling-off gate, exit 4 when a scan is incomplete. SLSA L3, Sigstore-signed feed.

Author, generate, validate and govern AI agent rules, skills, plugins and MCP configuration across 52 coding assistants. Review with verified model evidence, evaluate skills, lock and sign dependencies, and publish bundles. CLI, MCP server and Go API.

sigstore the hard way!

Go library for Sigstore signing and verification

Enabling Software Supply Chain Security Capabilities in ArgoCD

The Anti-Virus for AI Artifacts & RAG Firewall. A static analysis tool scanning Models and Notebooks for RCE, Datasets and RAG docs for Data Poisoning, PII, and Prompt Injections. Secure your AI Supply Chain.

PDF signing utility supporting GPG and Sigstore (Google, GitHub, Microsoft accounts / keyless OIDC) signatures, multi-party signing, making it easy to sign and verify documents without heavyweight PDF signing stacks, making your PDFs authentic, tamper-proof, fully compatible with regular readers; all while costing zero-dollars to use.

🔮 ✈️ to integrate OPA Gatekeeper's new ExternalData feature with cosign to determine whether the images are valid by verifying their signatures

A highly configurable build executor and observer designed to generate signed SLSA provenance attestations about build runs.

Plugin for Helm to integrate the sigstore ecosystem

Verify PyPI package attestations and improve Python supply-chain security

Example goreleaser + github actions config with keyless signing, SBOM generation, and attestations