v0.4.0

Added

• Split local and remote commands in the binary, improving CLI organization with dedicated subcommands for local operations vs remote server management (#534)
• Twelve-factor app compliance with PORT and BIND_HOST environment variables for configuring server binding, plus /health and /ready endpoints for container orchestration and load balancer health checks (#532)
• Shell completion generation via wassette autocomplete subcommand supporting bash, zsh, fish, and PowerShell (#558)
• wassette registry CLI subcommands for searching and fetching components from the centralized component registry: wassette registry search [query] to search by name, description, or URI, and wassette registry get <component> to fetch and load components directly (#481)
• CLI subcommand for tool CRUD operations and invocation, allowing direct tool management from the command line (#512)
• Provisioning manifest support with component provisioning logic for declarative multi-component deployments using YAML manifest files (#508)
• MCP prompts for building Wassette components, providing guided workflows for component development (#501)
• Query parameter with relevance-based ranking to search-components built-in tool for improved component discovery (#526)
• Progress indicators for OCI component downloads showing download status and progress (#515)
• Comprehensive invocation logging for tool and component calls, providing detailed audit trails (#503)
• Endpoint logs after server initialization showing the URLs where the server is listening (#514)
• GitHub API component example in JavaScript (examples/github-js) demonstrating GitHub API integration as a WebAssembly component (#529)
• Production-ready filesystem operations to filesystem-rs example with comprehensive file management capabilities (#555)
• Examples to permission grant subcommand help messages for better CLI discoverability (#560)
• Description field to --help output for improved command documentation (#556)
• WIT dependencies to enable doc injection for context7-rs example (#509)
• Dry run support for release process allowing test releases without affecting production (#493)
• Automated release tag creation on PR merge via auto-tag-release.yml workflow (#492)
• Agentic workflow for automatic changelog fragment generation using towncrier (#485)
• /plan workflow for breaking down complex issues into sub-tasks (#527)
• Release-doctor agentic workflow for automated release pipeline monitoring (#500)
• Kind cluster to copilot setup workflow for Kubernetes testing (#554)

Changed

• BREAKING CHANGE: Unified terminology throughout codebase, replacing "plugin" with "component" for consistency (#502)
• BREAKING CHANGE: wassette inspect command now accepts component ID instead of file path or URI; components must be loaded first before inspection (#498)
• Updated rmcp dependency from 0.5.0 to 0.9.1 with improved MCP protocol support (#591)
• Updated wasmtime and wasi crates to 38.0.4 (#570)
• Refactored main.rs into focused modules for better code organization and maintainability (#523)
• Enhanced permission error handling for network requests with improved user feedback and clearer guidance (#516)
• Updated serve command help text to "Start a MCP Server" for clarity (#557)
• Merged getting started documentation with quick start guide for streamlined onboarding (#552)

Fixed

• Fixed broken documentation links and configured link checker for protocol redirects (#520)
• Fixed release workflow usage example to use --streamable-http flag (#497)
• Fixed update-package-manifests workflow PR creation permission error (#499)

Downloads

Linux

• AMD64 (tar.gz)
• ARM64 (tar.gz)

macOS (Darwin)

• AMD64/Intel (tar.gz)
• ARM64/Apple Silicon (tar.gz)

Windows

• AMD64 (zip)
• ARM64 (zip)

Install

All Platforms (Shell Script)

curl -fsSL https://raw.githubusercontent.com/microsoft/wassette/main/install.sh | bash

This will detect your platform and install the latest wassette binary to your $PATH.

Usage

# Start the MCP server
wassette serve --streamable-http