{"id":"c801eab7-cc24-4311-a984-1178b31d762d","shortId":"q3cvDc","kind":"skill","title":"fonttools Python Font Manipulation and Subsetting Library","tagline":"fonttools is a comprehensive Python library for manipulating font files, including TrueType, OpenType, WOFF, and WOFF2 formats. It includes the TTX tool for converting fonts to and from XML, a font subsetting utility for reducing font file sizes, and APIs for inspecting, modifyin","description":"# fonttools Python Font Manipulation and Subsetting Library\n\nfonttools is a comprehensive Python library for manipulating font files, including TrueType, OpenType, WOFF, and WOFF2 formats. It includes the TTX tool for converting fonts to and from XML, a font subsetting utility for reducing font file sizes, and APIs for inspecting, modifying, and generating font files programmatically.\n\n## Installation\n\nUse the upstream install or setup path that matches your environment:\n- pip install fonttools\n- git clone https://github.com/fonttools/fonttools.git\n- pip install -e .\n- pip install fonttools[ufo,lxml,woff,unicode]\n\nRequirements and caveats from upstream:\n- | fontTools is a library for manipulating fonts, written in Python. The\n- FontTools requires Python <http://www.python.org/download/>__ 3.10\n- or later. We try to follow the same schedule of minimum Python version support as\n\nBasic usage or getting-started notes:\n- ~~~~~~~~~~~~\n- NumPy (see NEP 29 <https://numpy.org/neps/nep-0029-deprecation_policy.html>__).\n- .. code:: sh\n\n- Source: https://github.com/fonttools/fonttools\n- Extracted from upstream docs: https://raw.githubusercontent.com/fonttools/fonttools/HEAD/README.rst\n\n## Source\n\n- [Agent Skill Exchange](https://agentskillexchange.com/skills/fonttools-python-font-manipulation-subsetting/)","tags":["fonttools","python","font","manipulation","subsetting","skills","agentskillexchange","agent-skills","ai-agents","ai-tools","awesome-list","claude-code"],"capabilities":["skill","source-agentskillexchange","skill-fonttools-python-font-manipulation-subsetting","topic-agent-skills","topic-ai-agents","topic-ai-tools","topic-awesome-list","topic-claude-code","topic-codex","topic-cursor","topic-llm","topic-mcp","topic-npx-skills","topic-openclaw","topic-skills-catalog"],"categories":["skills"],"synonyms":[],"warnings":[],"endpointUrl":"https://skills.sh/agentskillexchange/skills/fonttools-python-font-manipulation-subsetting","protocol":"skill","transport":"skills-sh","auth":{"type":"none","details":{"cli":"npx skills add agentskillexchange/skills","source_repo":"https://github.com/agentskillexchange/skills","install_from":"skills.sh"}},"qualityScore":"0.454","qualityRationale":"deterministic score 0.45 from registry signals: · indexed on github topic:agent-skills · 8 github stars · SKILL.md body (1,314 chars)","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:skill-github:v1","enrichmentVersion":1,"enrichedAt":"2026-05-18T19:10:29.562Z","embedding":null,"createdAt":"2026-05-18T13:16:35.406Z","updatedAt":"2026-05-18T19:10:29.562Z","lastSeenAt":"2026-05-18T19:10:29.562Z","tsv":"'/download/':157 '/fonttools/fonttools':193 '/fonttools/fonttools.git':125 '/fonttools/fonttools/head/readme.rst':200 '/neps/nep-0029-deprecation_policy.html':187 '/skills/fonttools-python-font-manipulation-subsetting/)':207 '29':184 '3.10':158 'agent':202 'agentskillexchange.com':206 'agentskillexchange.com/skills/fonttools-python-font-manipulation-subsetting/)':205 'api':47,97 'basic':174 'caveat':138 'clone':122 'code':188 'comprehens':11,61 'convert':31,81 'doc':197 'e':128 'environ':117 'exchang':204 'extract':194 'file':17,44,67,94,104 'follow':164 'font':3,16,32,38,43,53,66,82,88,93,103,147 'fonttool':1,8,51,58,120,131,141,152 'format':24,74 'generat':102 'get':178 'getting-start':177 'git':121 'github.com':124,192 'github.com/fonttools/fonttools':191 'github.com/fonttools/fonttools.git':123 'includ':18,26,68,76 'inspect':49,99 'instal':106,110,119,127,130 'later':160 'librari':7,13,57,63,144 'lxml':133 'manipul':4,15,54,65,146 'match':115 'minimum':169 'modifi':100 'modifyin':50 'nep':183 'note':180 'numpi':181 'numpy.org':186 'numpy.org/neps/nep-0029-deprecation_policy.html':185 'opentyp':20,70 'path':113 'pip':118,126,129 'programmat':105 'python':2,12,52,62,150,154,170 'raw.githubusercontent.com':199 'raw.githubusercontent.com/fonttools/fonttools/head/readme.rst':198 'reduc':42,92 'requir':136,153 'schedul':167 'see':182 'setup':112 'sh':189 'size':45,95 'skill':203 'skill-fonttools-python-font-manipulation-subsetting' 'sourc':190,201 'source-agentskillexchange' 'start':179 'subset':6,39,56,89 'support':172 'tool':29,79 'topic-agent-skills' 'topic-ai-agents' 'topic-ai-tools' 'topic-awesome-list' 'topic-claude-code' 'topic-codex' 'topic-cursor' 'topic-llm' 'topic-mcp' 'topic-npx-skills' 'topic-openclaw' 'topic-skills-catalog' 'tri':162 'truetyp':19,69 'ttx':28,78 'ufo':132 'unicod':135 'upstream':109,140,196 'usag':175 'use':107 'util':40,90 'version':171 'woff':21,71,134 'woff2':23,73 'written':148 'www.python.org':156 'www.python.org/download/':155 'xml':36,86","prices":[{"id":"3903ded5-9aa8-44b7-b9c5-935f7c677dfe","listingId":"c801eab7-cc24-4311-a984-1178b31d762d","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"skill-free","isPrimary":true,"details":{"org":"agentskillexchange","category":"skills","install_from":"skills.sh"},"createdAt":"2026-05-18T13:16:35.406Z"}],"sources":[{"listingId":"c801eab7-cc24-4311-a984-1178b31d762d","source":"github","sourceId":"agentskillexchange/skills/fonttools-python-font-manipulation-subsetting","sourceUrl":"https://github.com/agentskillexchange/skills/tree/main/skills/fonttools-python-font-manipulation-subsetting","isPrimary":false,"firstSeenAt":"2026-05-18T13:16:35.406Z","lastSeenAt":"2026-05-18T19:10:29.562Z"}],"details":{"listingId":"c801eab7-cc24-4311-a984-1178b31d762d","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"org":"agentskillexchange","slug":"fonttools-python-font-manipulation-subsetting","github":{"repo":"agentskillexchange/skills","stars":8,"topics":["agent-skills","ai-agents","ai-tools","awesome-list","claude-code","codex","cursor","llm","mcp","npx-skills","openclaw","skills-catalog"],"license":"mit","html_url":"https://github.com/agentskillexchange/skills","pushed_at":"2026-05-18T19:02:17Z","description":"The open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.","skill_md_sha":"2486716bb76a54b205f5ea6e0dc629d9a15fb8a6","skill_md_path":"skills/fonttools-python-font-manipulation-subsetting/SKILL.md","default_branch":"main","skill_tree_url":"https://github.com/agentskillexchange/skills/tree/main/skills/fonttools-python-font-manipulation-subsetting"},"layout":"multi","source":"github","category":"skills","frontmatter":{"name":"fonttools Python Font Manipulation and Subsetting Library","description":"fonttools is a comprehensive Python library for manipulating font files, including TrueType, OpenType, WOFF, and WOFF2 formats. It includes the TTX tool for converting fonts to and from XML, a font subsetting utility for reducing font file sizes, and APIs for inspecting, modifying, and generating font files programmatically."},"skills_sh_url":"https://skills.sh/agentskillexchange/skills/fonttools-python-font-manipulation-subsetting"},"updatedAt":"2026-05-18T19:10:29.562Z"}}