ci(mcp): Pin mcp package to <2.0.0 while alphas are in flight - #6687
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Alphas for mcp 2.0 are currently being released. Pin to <2.0.0 until the stable release expected end of July 2026.
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Codecov Results 📊✅ 90151 passed | ⏭️ 6305 skipped | Total: 96456 | Pass Rate: 93.46% | Execution Time: 311m 11s 📊 Comparison with Base Branch
✨ No test changes detected All tests are passing successfully. ✅ Patch coverage is 100.00%. Project has 2399 uncovered lines. @@ Coverage Diff @@
## main #PR +/-##
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- Coverage 89.95% 89.92% -0.03%
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Files 192 192 —
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ericapisani
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June 29, 2026 13:32
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scripts/populate_tox/config.py
| "deps": { | ||
| "*": ["pytest-asyncio"], | ||
| }, | ||
| "include": "<2.0.0", # Alphas are currently being released, will come back to these before the release that's expected at the end of July 2026 |
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Bug: The include: "<2.0.0" specifier for mcp will not prevent testing against pre-release versions like 2.0.0a1 due to PEP 440 version comparison rules.
Severity: MEDIUM
To correctly exclude specific pre-release versions, use inequality specifiers. For example, change the include value to something like "!=2.0.0a1,!=2.0.0a2" to explicitly filter out known alpha versions, similar to how the starlite integration is configured.
Prompt for AI AgentReview the code at the location below. A potential bug has been identified by an AI agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's not valid. Location: scripts/populate_tox/config.py#L306 Potential issue: The configuration change for the `mcp` integration uses `"include": "<2.0.0"` with the intent to skip testing against `2.0.0-alpha` versions. However, this will not work as expected. According to PEP 440, a pre-release version like `2.0.0a1` is considered less than `2.0.0`. Since the `SpecifierSet` in `_prefilter_releases` is created with `prereleases=True`, `2.0.0a1` will pass the `include_versions` filter. The script will then identify it as the latest pre-release and may select it for testing, which is contrary to the stated goal of the change.
Did we get this right? 👍 / 👎 to inform future reviews.
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alexander-alderman-webb
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Jun 29, 2026
ericapisani
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### Description The initial PR #6687 doesn't correctly ignore alpha tags because `2.0.0a` < `2.0.0`. Update the conditional to make sure these alpha versions are filtered out
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mgaligniana
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Aug 9, 2026
…try#6687) The `mcp` package is currently releasing 2.0 alpha versions. Pin the test suite to `<2.0.0` to avoid picking up unstable pre-releases until the stable 2.0 release expected at the end of July 2026.
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…entry#6688) ### Description The initial PR getsentry#6687 doesn't correctly ignore alpha tags because `2.0.0a` < `2.0.0`. Update the conditional to make sure these alpha versions are filtered out
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The mcp package is currently releasing 2.0 alpha versions. Pin the test suite to <2.0.0 to avoid picking up unstable pre-releases until the stable 2.0 release expected at the end of July 2026.