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These are the docs of main, not released yet. See the docs of v0.2.26, the latest release.

Roadmap

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Axx is in beta. Versions start at v0.1.0, and every 0.x release is a GitHub pre-release. Until v1.0.0, a minor version bump (0.1 to 0.2) may contain breaking changes to flags or configuration; features and fixes bump the patch version. Step text is the exception: it is frozen from day one, so feature files keep working across every release.

Now

Section titled “Now”
  • The core runner, service lifecycle (axx up, axx down, --attach, --debug), debugging step code (--debug-steps), pausing web scenarios (--pause-at), reporters, axx init, axx doctor, axx validate, axx explain, axx steps, the MCP server (with steps_try and the packs’ tools) and the skills.
  • Packs: rest (with OpenAPI validation), mock (WireMock verification, REST, gRPC and GraphQL), grpc, jsonrpc (with OpenRPC validation), graphql (federated graphs and subgraphs), sql, mongo, redis, kafka, amqp, mqtt, nats, websocket, sse, asyncapi (AsyncAPI validation of their messages), logs, files, mail and cli; web-core and the web packs that build on it (web-screenshots, web-a11y, web-network, web-lighthouse, web-coverage); the cloud packs for AWS (S3, SQS, SNS, EventBridge, DynamoDB), Google Cloud (Cloud Storage, Pub/Sub, BigQuery, Firestore) and Azure (Blob Storage, Service Bus).
  • axx lint and axx fixtures.
  • axx pack: choosing packs per project, and custom packs written in Go, loaded the same way as Axx’s.
  • Editor support: the axx lsp language server, the IntelliJ plugin and the VS Code extension (feature files, running and debugging scenarios, watching web scenarios’ browsers).
  • The OpenAPI-validating WireMock image.

Since v0.1.0, releases are published on GitHub, in the Homebrew tap (nimbusxr/tap) and as the container image ghcr.io/nimbusxr/axx; the install script and nimbusxr/setup-axx install them. A rolling nightly pre-release is built from main every day.

Criteria for v1.0.0

Section titled “Criteria for v1.0.0”

From ADR 0004, v1.0.0 ships when these are frozen:

  • the axx.yaml schema, version 1;
  • the CLI contract: the --json envelope, exit codes and error codes;
  • a deprecation policy;

and when agent evaluations (agents writing and fixing Axx tests from acceptance criteria) meet their success target.

After v1.0.0, breaking changes to any of these need a new major version and an ADR.

Follow progress in the GitHub repository and the changelog.