demostack 是做什么的？
Demostack —— 由 API Evangelist 提供的公共API接口独立第三方配置文件。Demostack 是一款企业级产品模拟与演示自动化平台，帮助SaaS上市团队大规模创建、交付和分析交互式产品演示。
Demostack —— 由 API Evangelist 提供的公共API接口独立第三方配置文件。Demostack 是一款企业级产品模拟与演示自动化平台，帮助SaaS上市团队大规模创建、交付和分析交互式产品演示。
Demostack 是由 API Evangelist 开发的一款企业级产品模拟与演示自动化平台，专注于为 SaaS 上市团队提供大规模创建、交付和分析交互式产品演示的能力。该技能通过独立第三方视角生成公共 API 接口的配置文件，使开发者能够快速搭建和测试 API 的交互式演示环境。Demostack 支持在多个开发平台（如 Claude Code、Cursor、Codex 等）中使用，其核心优势在于自动化演示流程、降低手动配置成本，并提供深入的分析功能来优化产品演示效果。通过模拟真实 API 行为，该技能帮助团队在无需完整后端支持的情况下，向客户展示产品功能，从而加速销售周期并提升客户参与度。
npx skills add api-evangelist/demostackDemostack —— 由 API Evangelist 提供的公共API接口独立第三方配置文件。Demostack 是一款企业级产品模拟与演示自动化平台，帮助SaaS上市团队大规模创建、交付和分析交互式产品演示。
Extract frames or short clips from videos using ffmpeg.
Summarize or transcribe URLs, YouTube/videos, podcasts, articles, transcripts, PDFs, and local files.
Use when testing, fixing, or extending the OpenClaw Control UI GUI with Vitest + Playwright end-to-end checks, mocked Gateway WebSocket flows, mocked dashboard runs, screenshots/videos, or agent-verifiable browser proof.
Obra superpowers agent skills.
See, Understand, Act on video and audio. See- ingest from local files, URLs, RTSP/live feeds, or live record desktop; return realtime context and playable stream links. Understand- extract frames, build visual/semantic/temporal indexes, and search moments with timestamps and auto-clips. Act- transcode and normalize (codec, fps, resolution, aspect ratio), perform timeline edits (subtitles, text/image overlays, branding, audio overlays, dubbing, translation), generate media assets (image, audio...
End-to-end marketing campaign planning and execution. Covers audience research, positioning, campaign angle definition, landing page copy, email sequences, social posts, ad copy, short-form video scripts, and content calendars. Use as the orchestration layer for multi-channel product launches. Use when planning or executing a multi-channel product launch, or producing landing page, email, social, or ad copy.