Starstruk Logo MarkStarstruk

v0.28.0

vercel-labs/agent-browserv0.28.0Jun 16, 2026by github-actions[bot]

AI Summary

Added MCP server for stdio Model Context Protocol with typed tools and paginated discovery. Also added plugin system for out-of-process plugin support.

Key Highlights

  • MCP server with typed tools and paginated discovery
  • Default core profile with context minimization
  • Plugin system with manifest discovery and npm/GitHub refs
  • Capability-scoped policy gates

New Features

  • MCP server
  • Plugin system

Full Release Notes

### New Features

- **MCP server** - Added `agent-browser mcp`, a stdio Model Context Protocol server with typed tools, paginated discovery, protocol negotiation, and startup tool profiles. The default `core` profile keeps context small, while `--tools all` exposes full CLI parity and composed profiles such as `core,network,react` are supported (#1454)
- **Plugin system** - Added out-of-process plugin support over the `agent-browser.plugin.v1` stdio protocol, with `plugin add/list/show/run`, manifest discovery, npm and GitHub refs, credential providers, browser provider plugins, launch mutators, custom command capabilities, config and env registry support, and capability-scoped policy gates (#1452)

### Infrastructure

- Added **context footprint eval coverage** for CLI skills, MCP core, and MCP full-profile surfaces, plus MCP parity tests to keep tool behavior aligned with the CLI (#1454)

### Contributors

- @ctate