com.prismposter/creator-tools

up checked 2026-11-11T10:39:23.939Z

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Publisher-provided title

PrismPoster Creator Tools

Publisher-provided description

Social media frame sizes with sourced safe areas, plus aspect-ratio, bitrate and subtitle tools.

Summary by lookupd

Look up social media frame sizes and safe areas, check layouts, compute video bitrates, convert subtitles, and estimate music tempo.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http creator-tools https://www.prismposter.com/api/mcp

Claude Code, npm package (stdio)

claude mcp add creator-tools -- npx -y @prismposter/creator-tools

Codex, remote (streamable-http)

codex mcp add creator-tools --url https://www.prismposter.com/api/mcp

Codex, npm package (stdio)

codex mcp add creator-tools -- npx -y @prismposter/creator-tools

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "creator-tools": {
      "url": "https://www.prismposter.com/api/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "creator-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@prismposter/creator-tools"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (7 tools)

Publisher-provided text

• get_social_media_placement Look up one social media placement by id and return its frame size, aspect ratio, first-party safe-area insets in px, usable box, and the official page the figu
• list_social_media_placements List every supported social media placement (or one platform's) with frame size, aspect ratio, safe-area insets in px, usable box and first-party source URL, pl
• check_safe_area Check whether a rectangle (a caption, logo or button, in px on the placement's own frame, origin top-left) stays inside the placement's safe area, and by how ma
• calculate_aspect_ratio Reduce any pixel size to its simplest aspect ratio (1920x1080 is 16:9) and the nearest even size an H.264 encoder accepts, and, given a target ratio, solve the
• estimate_video_bitrate Video size and bitrate arithmetic for a clip of durationSec. Pass videoKbps to get the encoded file size (MB, GB, MiB, GiB); pass targetCapMb to get the highest
• convert_subtitles Convert subtitle text between SubRip (srt) and WebVTT (vtt), optionally shifting every cue by shiftMs, and return the converted text with the detected source fo
• estimate_tempo Tempo arithmetic for editing to music: pass tap timestamps (ms) to estimate BPM with a stability and confidence rating, or pass a known bpm. Either way it retur

Details

• Version: 1.0.0
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 952 ms
• First indexed: 2026-11-01T08:56:54.582Z
• Last seen in registry: 2026-11-01T08:56:54.636Z
• Repository: https://github.com/PrismPoster/creator-tools
• Website: https://www.prismposter.com/tools

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