spec 206 openapi 167 cli 153 ai 149 typescript 148 api 126 schema 121 documentation 104 swagger 94 javascript 89 parser 81 json 80 spec-driven-development 79 mcp 77 validation 77 markdown 76 claude-code 70 sdd 66 llm 59 claude 57 json-schema 55 ai-agents 54 types 54 yaml 49 parse 49 prd 48 development 47 testing 45 agent 44 openapi3 43 cursor 41 workflow 40 code-generation 40 test 40 model-context-protocol 39 asyncapi 38 planning 38 tdd 38 developer-tools 38 hacktoberfest 35 protocol 35 bdd 33 engineering 33 ast 32 spec-driven 31 html 31 linter 30 nodejs 30 specs 29 requirements 29 context-engineering 29 arazzo 29 w3c 28 validator 28 apidom 28 openapi2 28 openapi31 28 overlays 28 octokit-js 27 asyncapi2 27 rest 27 codex 26 generated 26 agents 26 framework 26 css 26 oas 25 gherkin 24 sdlc 24 validate 23 generator 22 standard 22 open-api 22 ai-agent 21 openspec 21 csswg 21 postcss-plugin 21 copilot 20 architecture 20 ai-coding 19 postcss 19 htmlparser 19 mcp-server 19 serialize 19 parse5 19 reference 19 WHATWG 19 fast 19 htmlserializer 19 serializer 19 guidelines 18 html serializer 18 html5 parser 18 react 18 cucumber 18 custom 18 html5 18 opencode 18 html parser 18 viewer 18