{"slug":"clapper","name":"Clapper","summary":"Clapper is an MIT-licensed open-source React → MP4 video tool from ArchAstro, built by Calvin Grunewald (@CalvinGrunewald). Site byline: Open source, MIT, by Calvin at ArchAstro. Tagline: Write videos in React. Review them like a studio would.","kind":"resource","homepage":"https://clapper.archastro.tryintern.dev/","repoUrl":"https://github.com/ArchAstro/clapper","docsUrl":"https://github.com/ArchAstro/clapper/blob/main/docs/narration.md","publisher":"Calvin Grunewald","license":"MIT","hasMcp":false,"hasApi":false,"costRange":"unknown","composabilityRationale":"","functions":["connect"],"functionProbabilities":[],"slices":[{"functionId":"connect","label":"Connect","note":"Clapper is an MIT-licensed open-source React → MP4 video tool from ArchAstro, built by Calvin Grunewald (@CalvinGrunewald). Site byline: Open source, MIT, by Calvin at ArchAstro. Tagline: Write videos in React. Review them like a studio would.","cost":"unknown"}],"tweets":[],"sources":[{"kind":"human","label":"Compendium resource card","excerpt":"06 Knowledge Library/Resources/design/2026-09-15-archastro-clapper.md\nClapper is an MIT-licensed open-source React → MP4 video tool from ArchAstro, built by Calvin Grunewald (@CalvinGrunewald). Site byline: Open source, MIT, by Calvin at ArchAstro. Tagline: Write videos in React. Review them like a studio would.","at":"2026-09-15T00:00:00.000Z"}],"interfaces":[],"origin":"seed","notes":[],"createdAt":"2026-09-15T00:00:00.000Z","updatedAt":"2026-09-15T00:00:00.000Z","stagingSeed":"leyline-0.3.0-staging","recordId":"cmp_clapper","claims":{"name":"Clapper","summary":"Clapper is an MIT-licensed open-source React → MP4 video tool from ArchAstro, built by Calvin Grunewald (@CalvinGrunewald). Site byline: Open source, MIT, by Calvin at ArchAstro. Tagline: Write videos in React. Review them like a studio would.","kind":"resource","publisher":"Calvin Grunewald","homepage":"https://clapper.archastro.tryintern.dev/","repoUrl":"https://github.com/ArchAstro/clapper","docsUrl":"https://github.com/ArchAstro/clapper/blob/main/docs/narration.md","license":"MIT","costRange":"unknown","functions":["connect"],"slices":[{"functionId":"connect","label":"Connect","note":"Clapper is an MIT-licensed open-source React → MP4 video tool from ArchAstro, built by Calvin Grunewald (@CalvinGrunewald). Site byline: Open source, MIT, by Calvin at ArchAstro. Tagline: Write videos in React. Review them like a studio would.","cost":"unknown"}],"interfaces":[],"composabilityRationale":""},"relations":[{"from":"clapper","to":"agentation","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."},{"from":"clapper","to":"codex-security-plugin","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."},{"from":"clapper","to":"container","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."},{"from":"clapper","to":"slackhq-nebula","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."},{"from":"clapper","to":"cloudflare-quick-tunnels","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."},{"from":"clapper","to":"company-brain","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."},{"from":"clapper","to":"cua-s1-cua-s1-forms","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."},{"from":"clapper","to":"pixel-point-aval","kind":"alternative-to","note":"Shared functions connect. Same kind and overlapping capability."}],"signals":[{"key":"has_license","value":1,"source":"component-record","method":"declared-license","observedAt":"2026-09-15T00:00:00.000Z"},{"key":"has_docs","value":1,"source":"component-record","method":"declared-docs","observedAt":"2026-09-15T00:00:00.000Z"}],"claimVerification":[],"explain":{"score":8,"formula":"100 × sum(weight × value) over observed factors only. Unobserved factors are omitted, not zeroed.","factors":[{"id":"github_health","label":"GitHub health","weight":0.18,"value":0.3,"contribution":0.054,"why":"A licence is declared. Documentation is available.","sources":[],"evidence":"observed"},{"id":"agent_use","label":"Agent use","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"human_notes","label":"Human notes","weight":0.14,"why":"insufficient evidence","sources":[{"kind":"human","label":"Compendium resource card","excerpt":"06 Knowledge Library/Resources/design/2026-09-15-archastro-clapper.md\nClapper is an MIT-licensed open-source React → MP4 video tool from ArchAstro, built by Calvin Grunewald (@CalvinGrunewald). Site byline: Open source, MIT, by Calvin at ArchAstro. Tagline: Write videos in React. Review them like a studio would.","at":"2026-09-15T00:00:00.000Z"}],"evidence":"insufficient"},{"id":"composability","label":"Composability","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"checklist","label":"Checklist","weight":0.1,"value":0,"contribution":0,"why":"No MCP surface is declared. No API is declared. Cost is unknown. 0 of 3 checklist fields are complete.","sources":[],"evidence":"observed"},{"id":"evidence_quality","label":"Evidence quality","weight":0.14,"value":0.18107144632819594,"contribution":0.025350002485947435,"why":"1 sources cover 1 evidence types. The latest dated evidence is 2026-09-15. Freshness is omitted unless observed as a signal.","sources":[{"kind":"human","label":"Compendium resource card","excerpt":"06 Knowledge Library/Resources/design/2026-09-15-archastro-clapper.md\nClapper is an MIT-licensed open-source React → MP4 video tool from ArchAstro, built by Calvin Grunewald (@CalvinGrunewald). Site byline: Open source, MIT, by Calvin at ArchAstro. Tagline: Write videos in React. Review them like a studio would.","at":"2026-09-15T00:00:00.000Z"}],"evidence":"observed"},{"id":"benchmark","label":"Benchmarks","weight":0.12,"why":"insufficient evidence","sources":[],"evidence":"insufficient"}],"missing":["Agent use: insufficient evidence","Human notes: insufficient evidence","Composability: insufficient evidence","Benchmarks: insufficient evidence"]},"score":8}