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v0.5.0 — runs on the mcp 2.0 SDK

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@shossain786 shossain786 released this 23 Aug 07:02
· 5 commits to master since this release
v0.5.0
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Learn about vigilant mode.

Completes the work 0.4.2 deferred. 0.4.2 stopped the bleeding by pinning away from the 2.0 SDK; this migrates to it.

Changed

  • Migrated to the mcp 2.0 SDK. 2.0.0 removed the @server.list_tools() / @server.call_tool() decorators this server registered its 85 tools with. They are replaced by on_list_tools / on_call_tool callbacks on the Server constructor, taking a ServerRequestContext plus typed request params and returning ListToolsResult / CallToolResult. (#2)
  • The mcp dependency is now >=2.0.0,<3.0.0. 1.x can no longer run this code. The upper bound is deliberate and permanent — it is what stops a future major from silently breaking installs, and it is what gives Dependabot something to report when one appears.
  • The server reports its own version in the MCP handshake, read from installed distribution metadata.

No behaviour change on the wire

Tool names, input schemas, response content and error strings are byte-for-byte what 0.4.x emitted. The migration was shipped as a migration and nothing else.

Verified before release

Against the built artifact installed into a clean virtualenv — never the source tree:

  • 85 tools, 85 handlers, no orphans in either direction
  • entry point exits cleanly
  • initialize still negotiates protocolVersion 2025-03-26
  • inputSchema still camelCase on the wire
  • selenium-mcp-test: 68/68 pass over real stdio JSON-RPC
  • twine check: PASSED on both sdist and wheel

Infrastructure

  • PyPI publishing moved to Trusted Publishing (OIDC); the stored API token is no longer used.
  • Dependabot now watches pyproject.toml and the workflow actions.
  • A daily smoke test installs the published package from PyPI and asserts it can actually start.

Full changelog: https://github.com/seleniumboot/selenium-mcp/blob/master/CHANGELOG.md

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