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CaptAPI

cdcstream/captapi
✓ I/O · 85认领这个员工

CaptAPI provides structured data extraction from four major social media platforms — YouTube, TikTok, Instagram, and Facebook — through 62 unified MCP tools. It covers transcripts, summaries, comments, engagement metrics, and profile analytics without requiring platform-specific OAuth or API keys. A single CaptAPI key grants access to all endpoints, making it straightforward to integrate social media data into AI workflows.

真实 I/O · 已连通 ✓

启动 server · tools/list · 85 个工具 · captapi

下面每个工具的字段、类型、必填项，都是我们真的把 server 启动、tools/list 拉回来的原始 JSON Schema —— 真实的工具契约。注意：下方「示例调用」是按 schema 自动生成的演示，不是真实调用的返回。

youtube_transcript

Extract the full timestamped transcript of a YouTube video. Costs ~2 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube video URL, e.g. https://youtube.com/watch?v=ID.
languagestring
Preferred caption language as an ISO code, e.g. "en". Defaults to auto-detect.
示例调用
{
  "tool": "youtube_transcript",
  "arguments": {
    "url": "…"
  }
}
youtube_summarize

AI summary (key points, topics, sentiment) of a YouTube video. Costs ~4 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube video URL, e.g. https://youtube.com/watch?v=ID.
languagestring
Preferred caption language as an ISO code, e.g. "en". Defaults to auto-detect.
示例调用
{
  "tool": "youtube_summarize",
  "arguments": {
    "url": "…"
  }
}
youtube_video_details

Metadata + engagement stats for a YouTube video. Costs ~1 credit; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube video URL, e.g. https://youtube.com/watch?v=ID.
示例调用
{
  "tool": "youtube_video_details",
  "arguments": {
    "url": "…"
  }
}
youtube_comments

Comments on a YouTube video. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube video URL, e.g. https://youtube.com/watch?v=ID.
limitinteger
Max items to return. Default 50, max 500. Billed per result.
示例调用
{
  "tool": "youtube_comments",
  "arguments": {
    "url": "…"
  }
}
youtube_channel_details

Channel info & subscriber/stats for a YouTube channel. Costs ~1 credit; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
YouTube channel URL, e.g. https://youtube.com/@handle or /channel/UC...
示例调用
{
  "tool": "youtube_channel_details",
  "arguments": {
    "url": "…"
  }
}
youtube_search

Search YouTube videos by keyword. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
qstringrequired
Search query or keywords (min 2 chars).
limitinteger
Max items to return. Default 20, max 200. Billed per result.
示例调用
{
  "tool": "youtube_search",
  "arguments": {
    "q": "…"
  }
}
youtube_channel_videos

List a channel's uploaded videos. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
YouTube channel URL, e.g. https://youtube.com/@handle or /channel/UC...
limitinteger
Max items to return. Default 20, max 200. Billed per result.
示例调用
{
  "tool": "youtube_channel_videos",
  "arguments": {
    "url": "…"
  }
}
youtube_playlist_videos

List videos in a YouTube playlist. Costs ~50 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
YouTube playlist URL, e.g. https://youtube.com/playlist?list=ID.
limitinteger
Max items to return. Default 50, max 500. Billed per result.
示例调用
{
  "tool": "youtube_playlist_videos",
  "arguments": {
    "url": "…"
  }
}
youtube_video_download

Direct download URLs for a YouTube video. Costs ~3 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube video URL, e.g. https://youtube.com/watch?v=ID.
示例调用
{
  "tool": "youtube_video_download",
  "arguments": {
    "url": "…"
  }
}
youtube_shorts_transcript

Transcript of a YouTube Short. Costs ~2 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube Shorts URL, e.g. https://youtube.com/shorts/ID.
languagestring
Preferred caption language as an ISO code, e.g. "en". Defaults to auto-detect.
示例调用
{
  "tool": "youtube_shorts_transcript",
  "arguments": {
    "url": "…"
  }
}
youtube_shorts_summarize

AI summary of a YouTube Short. Costs ~4 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube Shorts URL, e.g. https://youtube.com/shorts/ID.
languagestring
Preferred caption language as an ISO code, e.g. "en". Defaults to auto-detect.
示例调用
{
  "tool": "youtube_shorts_summarize",
  "arguments": {
    "url": "…"
  }
}
youtube_shorts_details

Metadata + stats for a YouTube Short. Costs ~1 credit; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube Shorts URL, e.g. https://youtube.com/shorts/ID.
示例调用
{
  "tool": "youtube_shorts_details",
  "arguments": {
    "url": "…"
  }
}
youtube_shorts_comments

Comments on a YouTube Short. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube Shorts URL, e.g. https://youtube.com/shorts/ID.
limitinteger
Max items to return. Default 50, max 500. Billed per result.
示例调用
{
  "tool": "youtube_shorts_comments",
  "arguments": {
    "url": "…"
  }
}
youtube_channel_shorts

List a channel's Shorts. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
YouTube channel URL, e.g. https://youtube.com/@handle or /channel/UC...
limitinteger
Max items to return. Default 20, max 200. Billed per result.
示例调用
{
  "tool": "youtube_channel_shorts",
  "arguments": {
    "url": "…"
  }
}
youtube_channel_streams

List a channel's live/past streams. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
YouTube channel URL, e.g. https://youtube.com/@handle or /channel/UC...
limitinteger
Max items to return. Default 20, max 200. Billed per result.
示例调用
{
  "tool": "youtube_channel_streams",
  "arguments": {
    "url": "…"
  }
}
youtube_hashtag_search

Search YouTube videos by hashtag. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
qstringrequired
Hashtag with or without the # (min 2 chars).
limitinteger
Max items to return. Default 20, max 200. Billed per result.
示例调用
{
  "tool": "youtube_hashtag_search",
  "arguments": {
    "q": "…"
  }
}
youtube_comment_replies

Replies to a specific YouTube comment. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public YouTube video URL, e.g. https://youtube.com/watch?v=ID.
comment_idstringrequired
ID of the parent comment to fetch replies for (from the comments endpoint).
limitinteger
Max items to return. Default 50, max 500. Billed per result.
示例调用
{
  "tool": "youtube_comment_replies",
  "arguments": {
    "url": "…",
    "comment_id": "…"
  }
}
youtube_channel_playlists

List a channel's playlists. Costs ~20 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
YouTube channel URL, e.g. https://youtube.com/@handle or /channel/UC...
limitinteger
Max items to return. Default 20, max 200. Billed per result.
示例调用
{
  "tool": "youtube_channel_playlists",
  "arguments": {
    "url": "…"
  }
}
youtube_community_posts

List a channel's community (posts) tab. Costs ~10 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
YouTube channel URL, e.g. https://youtube.com/@handle or /channel/UC...
limitinteger
Max items to return. Default 20, max 200. Billed per result.
示例调用
{
  "tool": "youtube_community_posts",
  "arguments": {
    "url": "…"
  }
}
tiktok_transcript

Transcript of a TikTok video (via captions). Costs ~2 credits; cached results are free, failures are never charged.

Input（真实 schema）
urlstringrequired
Public TikTok video URL, e.g. https://tiktok.com/@user/video/ID.
示例调用
{
  "tool": "tiktok_transcript",
  "arguments": {
    "url": "…"
  }
}

共 85 个工具，此处展示前 20 个。

综合分

Canlah Score20
归属岗位Calliope · 内容运营总监
岗位分值×1.00
★ Stars0
↓ 下载量362
工具数（实测）85
npm 包@captapi/mcp
✓ 已连通：字段来自真实的 tools/list（工具清单）。工具本身尚未真实调用。

效果测评卡

进行中 · 待运行
任务成功率
输出质量 (LLM 评审)
延迟
成本 / token
稳定性

真实 I/O 已解决「输入输出是什么」；下一步接 agent 真跑，量化「效果好不好」。

取用 / 安装

npx -y @captapi/mcp
源码仓库 ↗主页 ↗
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