Issues

• skill-creator eval viewer: script-context injection in embedded JSON + cross-origin writes to /api/feedback

  anthropics/skills#1982 · Filter by author whoosjohngalt opened on Oct 6, 2026

• Enhance XLSX skill with formula integrity and calculation validation

  anthropics/skills#1971 · Filter by author uayushdubey opened on Oct 4, 2026

• mcp file

  anthropics/skills#1968 · Filter by author Oli858 opened on Oct 4, 2026

• mcp-builder: advises "concise tool descriptions", against Anthropic's tool-use guidance

  anthropics/skills#1967 · Filter by author Kai-Y-Chen opened on Oct 4, 2026

• pdf/forms.md: unconditional zoom pass and shouted ordering rule

  anthropics/skills#1960 · Filter by author kennethje opened on Oct 3, 2026

• pptx, web-artifacts-builder, pdf: design defaults that contradict each other, an outdated avoid-list, and tutorial content (prompt audit for Opus 5.5)

  anthropics/skills#1959 · Filter by author longrunningprocess opened on Oct 3, 2026

• skill-creator: init_skill.py's template emits description: [TODO: ...], which YAML parses as a list — its own quick_validate.py then rejects it (and DSH silently drops the skill)

  anthropics/skills#1957 · Filter by author creatorliao opened on Oct 3, 2026

• pptx: clean.py deletes every slide when presentation.xml cannot be parsed

  anthropics/skills#1953 · Filter by author faizannazir opened on Oct 3, 2026

• claude-api evals: 1/sqrt(n·reps) treats reps as extra cases, so the noise floor is understated at higher rep counts

  anthropics/skills#1944 · Filter by author mavericksea-ai opened on Oct 1, 2026

• Plugins from this marketplace fail to load ("conflicting manifests") after every Claude Desktop marketplace refresh

  anthropics/skills#1943 · Filter by author BluFinSolutions opened on Oct 1, 2026
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• skill-creator: the eval loop assumes it may spawn subagents; in harnesses that forbid unrequested spawning, the main path cannot be followed

  anthropics/skills#1942 · Filter by author lechnir3 opened on Sep 30, 2026

• docx skill: validate.py crashes/fails on Windows due to cp1252 encoding (fontTable.xml decode + console print)

  anthropics/skills#1938 · Filter by author sergiodanielale opened on Sep 29, 2026

• algorithmic-art: wrapAround() in generator_template.js never wraps — returns out-of-range values and discards the overshoot

  anthropics/skills#1897 · Filter by author sxh313 opened on Sep 27, 2026
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• mcp-builder: repeated -e/--env and -H/--header flags in evaluation.py silently drop all but the last value

  anthropics/skills#1895 · Filter by author sxh313 opened on Sep 27, 2026
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• web-artifacts-builder: pre-installed resizable component crashes with React #130 against the react-resizable-panels version the script installs

  anthropics/skills#1893 · Filter by author sxh313 opened on Sep 27, 2026
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• webapp-testing element_discovery.py reports <textarea> and <select> as type "text"

  anthropics/skills#1891 · Filter by author sxh313 opened on Sep 27, 2026
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• slack-gif-creator: add_frame() never converts ndarray frames to RGB, so RGBA/greyscale input crashes save()

  anthropics/skills#1886 · Filter by author sxh313 opened on Sep 27, 2026
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• extract_form_field_info.py silently drops every fillable text/choice field whose widgets are /Kids

  anthropics/skills#1883 · Filter by author sxh313 opened on Sep 27, 2026
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• office/validators: the comment-marker check validates the glossary part instead of word/document.xml and reports PASSED (36% of real .docx)

  anthropics/skills#1880 · Filter by author sxh313 opened on Sep 26, 2026
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• office: every part-level .rels is schema-validated against an empty document, so opc-relationships.xsd can never fail

  anthropics/skills#1878 · Filter by author sxh313 opened on Sep 26, 2026
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• validate.py reports the glossary part's paragraph count instead of the document's (36% of real .docx)

  anthropics/skills#1875 · Filter by author sxh313 opened on Sep 26, 2026
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• docx whitespace check scans only parts named document.xml, while its own --auto-repair fixes every part

  anthropics/skills#1872 · Filter by author sxh313 opened on Sep 26, 2026
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• slack-gif-creator: save() hands Pillow a millisecond delay it truncates to whole centiseconds, so every GIF plays faster than requested and duration_seconds reports a time the file does not have

  anthropics/skills#1870 · Filter by author sxh313 opened on Sep 26, 2026
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• create_gradient_background never produces its documented bottom_color (interpolation ratio off by one)

  anthropics/skills#1868 · Filter by author sxh313 opened on Sep 26, 2026
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• office/validators: docProps/core.xml is never schema-validated - its XSD cannot be built and the failure is on the ignore list

  anthropics/skills#1864 · Filter by author sxh313 opened on Sep 26, 2026
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