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PrismPoster MCP server

Which MCP servers are PrismPoster's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-23

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Whose server it is
  • Registry namecom.prismposter/creator-toolsverified in the MCP registry

The registry name sits under prismposter.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-23
  • Stateanswerschecked 2026-10-23
  • Tools7
  • Server calls itselfprismposter-creator-tools
  • Server version0.3.0
  • Protocol version2025-06-18

On 2026-10-23 the server answered initialize and tools/list without a sign-in. First answer in 402 ms.

Should an agent connect itSkip it
  • Its tools do none of the product's use cases we checked: turn a photo or written idea into a short video with sound; write a song with vocals and a lyric video.
  • Checked on 4 of the 7 days it takes to judge reliability.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 4, the first on 2026-10-23
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
  • What an agent can do with it0 of 2 use cases
  • Use2 npm downloads a week
  • Answeredmeasuring4 of the 7 daily checks it takes to print a share
  • Median first answer776 ms
  • Space in an agent's context≈ 2,410 tokensthe definitions of all its tools (7), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results7 of 7 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • cannot · turn a photo or written idea into a short video with sound
  • cannot · write a song with vocals and a lyric video
  • not sure · swap the cast in an existing video clip

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers7 tools · read 2026-10-23
  • get_social_media_placement

    Get exact frame dimensions, aspect ratio, first-party safe-area insets (px), usable box, and official documentation URL for a social media placement (e.g. instagram-reels, tiktok-video, youtube-shorts, youtube-channel-banner). Optionally…

  • list_social_media_placements

    List all social media video and image placements with dimensions, aspect ratios, safe-area pixel insets, and first-party documentation URLs. Optionally filter by platform.

  • calculate_aspect_ratio

    Simplify pixel dimensions to their aspect ratio, compute even-pixel encoder dimensions, solve a missing width or height, and optionally compute centre-crop and letterbox/pad plans for a target ratio.

  • estimate_video_bitrate

    Estimate encoded video file size (MB, GB, MiB, GiB) from duration and bitrate, or compute the maximum video bitrate that fits under a file-size cap (such as Discord 10 MB / 20 MB limits).

  • convert_subtitles

    Parse, validate, time-shift, and convert subtitle files between SubRip (srt) and WebVTT (vtt). Reports overlapping, zero-duration, or out-of-order cues.

  • estimate_tempo

    Estimate BPM and stability from tap timestamps in milliseconds, or compute delay times (straight, dotted, triplet) and bar durations for a given BPM and time signature.

  • get_prismposter_capabilities

    Retrieve PrismPoster studio capabilities, AI video/image/music/Remake specifications, credit-pack pricing facts, and canonical URLs for citation.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

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

Add it

Claude Code, in a terminal

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

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://www.prismposter.com/api/mcp as a custom connector in the settings.

Also shipped through: npm

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.