generated: '2026-09-05' method: searched source: >- npm registry, PyPI, Maven Central, crates.io, proxy.golang.org, plugins.jenkins.io and the project GitHub organizations (cdevents, screwdriver-cd, spinnaker, ortelius, jenkins-x, jenkinsci) note: >- The Continuous Delivery Foundation itself ships no client library. Its hosted projects do, and every entry below is first-party — published from the project's own GitHub organization to the registry named. Versions and dates were read from each registry's metadata endpoint on 2026-09-05, not from prose. The CDEvents SDK family is the clearest currency signal in this record: the Go and Rust SDKs track the 0.6.0-draft specification, the Java SDK last shipped 0.3.1 in March 2024, the Python SDK has never been published to PyPI at all, and the .NET SDK repository is empty. packages: - language: go registry: go name: github.com/cdevents/sdk-go url: https://pkg.go.dev/github.com/cdevents/sdk-go install: go get github.com/cdevents/sdk-go official: true version: v0.5.1 published: '2026-06-25' project: CDEvents note: read from proxy.golang.org/github.com/cdevents/sdk-go/@latest - language: rust registry: crates.io name: cdevents-sdk url: https://crates.io/crates/cdevents-sdk install: cargo add cdevents-sdk official: true version: 0.4.1 published: '2026-06-25' project: CDEvents note: >- 9 published versions since 2024-09-01; crates.io reports the crate updated 2026-06-25, in step with the Go SDK. - language: java registry: maven name: dev.cdevents:cdevents-sdk-java url: https://central.sonatype.com/artifact/dev.cdevents/cdevents-sdk-java install: "implementation 'dev.cdevents:cdevents-sdk-java:0.3.1'" official: true version: 0.3.1 published: '2024-03-12' project: CDEvents note: >- DECAY SIGNAL. Three releases total (0.1.2, 0.3.0, 0.3.1); the last predates the Go and Rust SDKs by more than two years and the CDEvents specification has moved to 0.6.0-draft since. - language: python registry: pypi name: cdevents-sdk url: https://github.com/cdevents/sdk-python install: null official: true version: null published: null project: CDEvents note: >- NOT PUBLISHED. The repository's pyproject.toml declares name "cdevents-sdk" at version "0.0.1-draft"; pypi.org/pypi/cdevents-sdk/json returns 404, as do cdevents, cdevents-python and cdevents_sdk. The only release tag on the repository is 0.0.1-draft (2023-04-26). A Python consumer must install from source. - language: dotnet registry: nuget name: cdevents sdk-dotnet url: https://github.com/cdevents/sdk-dotnet install: null official: true version: null published: null project: CDEvents note: >- NOT PUBLISHED. The sdk-dotnet repository exists in the cdevents organization but is empty (4 KB, last pushed 2023-08-25) and no NuGet package corresponds to it. - language: javascript registry: npm name: screwdriver-api url: https://www.npmjs.com/package/screwdriver-api install: npm install screwdriver-api official: true version: 8.0.192 published: '2026-09-03' project: Screwdriver note: >- The Screwdriver API server itself, published from github.com/screwdriver-cd/screwdriver. Actively released; this is the artifact that serves the OpenAPI at https://api.screwdriver.cd/v4/openapi.json. - language: javascript registry: npm name: "@spinnaker/core" url: https://www.npmjs.com/package/@spinnaker/core install: npm install @spinnaker/core official: true version: 0.0.0-2026.1-3 published: '2026-08-21' project: Spinnaker note: >- Deck (Spinnaker UI) core library, published from github.com/spinnaker/spinnaker. The version string is a date-train, not semver. - language: javascript registry: npm name: "@spinnaker/kayenta" url: https://www.npmjs.com/package/@spinnaker/kayenta install: npm install @spinnaker/kayenta official: true version: 2025.4.1 published: '2026-02-03' project: Spinnaker - language: python registry: pypi name: ortelius-cli url: https://pypi.org/project/ortelius-cli/ install: pip install ortelius-cli official: true version: 9.3.281 published: '2025-04-01' project: Ortelius note: >- First-party — project_urls point at ortelius.io and github.com/ortelius/ortelius-cli. Ships the `dh` command plus a Python client for the Ortelius REST API. - language: go registry: go name: github.com/jenkins-x/jx url: https://github.com/jenkins-x/jx install: brew install jenkins-x/jx/jx official: true version: v3.17.98 published: '2026-09-02' project: JayeX note: >- The `jx` CLI. proxy.golang.org rejects the /v3 module path because go.mod still declares github.com/jenkins-x/jx, so the version and date here are read from the GitHub release (v3.17.98, published 2026-09-02) rather than the module proxy. - language: go registry: go name: github.com/jenkins-x/jx-api/v4 url: https://pkg.go.dev/github.com/jenkins-x/jx-api/v4 install: go get github.com/jenkins-x/jx-api/v4 official: true version: v4.8.6 published: '2026-06-09' project: JayeX note: >- The Kubernetes API types for JayeX. This module is the source of the published Swagger 2.0 definition document harvested to openapi/. - language: go registry: go name: github.com/spinnaker/spin url: https://pkg.go.dev/github.com/spinnaker/spin install: go install github.com/spinnaker/spin@latest official: true version: v1.30.0 published: '2023-04-24' project: Spinnaker note: >- DECAY SIGNAL. The `spin` CLI is the first-party command-line client for the Gate API whose OpenAPI is harvested here; its last tagged module release is April 2023, while the Gate contract it wraps and the Deck packages beside it were both updated in 2026. - language: java registry: jenkins-plugins name: mcp-server url: https://plugins.jenkins.io/mcp-server/ install: Install "MCP Server" from the Jenkins Plugin Manager, or jenkins-plugin-cli --plugins mcp-server official: true version: 0.203.v12a_6f2a_01d72 published: '2026-09-03' project: Jenkins note: >- The Jenkins MCP Server plugin — the distribution vehicle for the MCP surface recorded in mcp/continuous-delivery-foundation-mcp.yml. Version and release timestamp read from plugins.jenkins.io/api/plugin/mcp-server.