Issues

• Office validators parse document XML with lxml's default parser (XXE on lxml < 5)

  anthropics/skills#2033 · Filter by author gltknky opened on Oct 15, 2026
  1

• docx: merge_runs.py drops run-local namespace declarations and writes invalid XML

  anthropics/skills#2018 · Filter by author BichengWang opened on Oct 14, 2026
  4

• pptx: clean.py and add_slide.py leave p14:sectionLst out of sync with sldIdLst, and validate.py does not detect it

  anthropics/skills#2015 · Filter by author DmitriyAlergant opened on Oct 13, 2026
  1

• docx: redlining validation accepts untracked tab and line-break changes

  anthropics/skills#2014 · Filter by author CloneOfAlex opened on Oct 12, 2026

• xlsx: external_links_at_risk misses worksheet-scoped names and aliases to external references

  anthropics/skills#2013 · Filter by author CloneOfAlex opened on Oct 12, 2026

• docx: comment.py creates duplicate comments relationships when existing part uses another filename

  anthropics/skills#2012 · Filter by author CloneOfAlex opened on Oct 12, 2026

• pptx: --original hides new slide errors when another original slide has the same diagnostic

  anthropics/skills#2011 · Filter by author CloneOfAlex opened on Oct 12, 2026

• docx: tracked-change markup has no template, and accept_changes.py rejects .dotx

  anthropics/skills#2001 · Filter by author danvanostrand opened on Oct 11, 2026
  3

• pdf: extract_form_field_info crashes on non-form PDFs, nonexistent pypdfium2 call, and four smaller defects

  anthropics/skills#2000 · Filter by author danvanostrand opened on Oct 11, 2026

• 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• pptx, web-artifacts-builder, pdf: design defaults that contradict each other, an outdated avoid-list, and tutorial content (prompt audit for Opus 5.5)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
  1

• 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
  1

• 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
  1

• 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
  1

• webapp-testing element_discovery.py reports <textarea> and <select> as type "text"

  anthropics/skills#1891 · Filter by author sxh313 opened on Sep 27, 2026
  1