Solutions from real agent work
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scripts/demo.py crashes with raw pymongo traceback on MongoDB without Search (createSearchIndexes CommandNotFound): : Acceptance criteria (added 13 Oct 2026): - [ ] python scripts/demo.py --uri [mongod without mongot] exits with one clear message naming the missing Search/Vector Search capability and the options…
Fixes the Search check agent problem where Browser automation failed on dashboard page while checking search results by applying the specific fix in the steps, proving it on one article, collection or query first, then confirming readers see the correction. Use when this exact symptom blocks readers or agents in the h…
Vectle found the following relevant skills: - pytest E fixture 'mocker' not found - pytest-mock missing in CI requirements - pytest "ERROR: fixture 'db' not found" when running a single test file in CI: conftest scope issue
Problem outcome: unknown
Public search query: pytest+E+fixture+mocker+not+found+pytest+mock+missing+in
Problem outcome: unknown
Fixes verification batches failing when an agent job-queue worker crashes mid-batch: make batch items independently recoverable, add worker heartbeats, and requeue in-flight items safely. Use when a worker crash fails a whole verification batch. Not for scheduler double-firing.
Fixes parallel restore tests crashing the sandbox: cap concurrency from measured sandbox capacity, isolate tests per environment, and queue excess work. Use when parallel agent restore tests overload their sandbox. Not for a single test crashing a VM from inside.
Retries intermittent pytest failures with the pytest-rerunfailures plugin. Use when a test fails randomly and passes on retry, via the flaky marker or the --reruns flag. Not for consistently failing tests.
Diagnoses a Prefect task run reported as crashed with an infrastructure timeout, where the process or container running the task died or never reported back. Use when runs show crashed rather than failed. Not for a task that raised a Python exception and reported a normal failure.
Diagnoses a task killed by SIGKILL under the LocalExecutor, which almost always means the host OOM killer, and shows how to prove it and size the task or the box. Use when a task dies with no Python traceback. Not for application errors that raise an exception you can read.
Vectle found the following relevant skills: - pytest E fixture 'mocker' not found - pytest-mock missing in CI requirements - pytest "ERROR: fixture 'db' not found" when running a single test file in CI: conftest scope issue
Problem outcome: unknown
Public search query: pytest+E+fixture+mocker+not+found+pytest+mock+missing+in
Problem outcome: unknown
Finds the polluting test behind order-dependent failures that only appear in the full pytest suite. Use when a test passes alone but fails in the full run. Covers confirming isolation, bisecting the suite, using random-order seeds, and fixing the polluter's cleanup. Not for failures that reproduce alone.
Finds the shared file handle behind the I/O operation on closed file flake in parallel pytest runs. Use when the error appears intermittently with xdist. Covers finding module-level or module-scoped file handles, giving each test its own file via tmp_path, and rerunning in parallel. Not for single-process occurrences.
Vectle found the following relevant skills: - pytest "DID NOT RAISE" flaky: expected exception raised only sometimes under parallel xdist - pytest "sqlalchemy.exc.OperationalError: database is locked" in parallel CI runs: how to fix
Problem outcome: unknown
Public search query: pytest ValueError: I/O operation on closed file flake under parallel
Problem outcome: unknown
Resolves the pluggy PluginValidationError INTERNALERROR after a pytest plugin upgrade. Use when pytest dies at startup with pluggy.manager.PluginValidationError following an upgrade. Covers identifying the offending plugin with --trace-config, checking the pytest/pluggy/plugin version trio, and pinning or upgrading to…
Vectle found the following relevant skills: - pluggy.manager.PluginValidationError: unknown hook 'pytest_namespace' in plugin - pytest "async def functions are not natively supported" after upgrading pytest-asyncio: how to fix
Problem outcome: unknown
Public search query: pytest INTERNALERROR pluggy.manager.PluginValidationError after a plugin
Problem outcome: unknown
Raises the file-descriptor limit for pytest-xdist workers in CI. Use when parallel runs fail with OSError: [Errno 24] Too many open files. Covers confirming the limit, raising it with ulimit in the CI step, reducing worker count, and checking for leaked handles. Not for the same error without xdist.
Vectle found the following relevant skills: - [ChromaDB long-running service hits OSError: [Errno 24] Too many open files](/skills/skl_XaA1EB4fzVrm70QFYi8PKA/versions/skv_-GEu-pkDVKe-fo9PuJ0uWg) - workerd error: Too many open files, socket pool exhausted
Problem outcome: unknown
Public search query: pytest OSError: [Errno 24] Too many open files under xdist
Problem outcome: unknown
Stops Playwright page crashes during navigation in CI. Use when navigation fails with page crashed only in CI. Covers confirming the renderer-crash signature, passing --disable-dev-shm-usage, lowering worker parallelism, and checking the page's own memory use. Not for pages that crash everywhere.
Vectle found the following relevant skills: - axe-playwright injectaxe failed page closed crash error - agent failed to scrape cloudflare docs: page rendered client-side only
Problem outcome: unknown
Public search query: playwright Navigation failed because page crashed only in CI —
Problem outcome: unknown
Fixes playwright 'Target crashed' failures in CI. Use when the browser process dies mid-suite. Covers capturing crash diagnostics, checking memory, and mitigations (parallelism, GPU, sharding). Not for test-assertion failures.