Rast Creator Tools MCP Server

by bewoai Your server? Claim it

answering

Rast Creator Tools is answering right now. Last checked 2 min ago. It exposes 5 tools. Last commit 1 Nov 2026.

Short-form video tools: Reels/TikTok/Shorts safe zones, bitrate math, SRT checks, export settings.

Uptime history 25 hours of history

25 hours agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

162 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

Nothing serious here today

Today is the operative word: we check Rast Creator Tools every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add rast-creator-tools --transport http https://rast-creator-tools-mcp.studio-c25.workers.dev/v1/mcp

Settings → Connectors → Add custom connector, then paste this address

https://rast-creator-tools-mcp.studio-c25.workers.dev/v1/mcp

~/.codex/config.toml

[mcp_servers.rast-creator-tools]
url = "https://rast-creator-tools-mcp.studio-c25.workers.dev/v1/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "rast-creator-tools": {
      "url": "https://rast-creator-tools-mcp.studio-c25.workers.dev/v1/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "rast-creator-tools": {
      "type": "http",
      "url": "https://rast-creator-tools-mcp.studio-c25.workers.dev/v1/mcp"
    }
  }
}

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

calculate

calculate_bitrate

Calculates the file size of a video export from its duration and bitrate, or (when target_size_mb is given) the highest video bitrate that fits that size with a 2% safety margin. Without an explicit bitrate it uses the reference value for the platform, resolution and frame rate (YouTube and Vimeo recommendations, Apple ProRes target data rates, or Rast's delivery target for Instagram and TikTok, which publish none). Also returns size-limit warnings (Meta 4 GB, TikTok ads 500 MB / 516 kbps) and a two-pass ffmpeg command.

export

export_settings

Returns recommended export settings for uploading a finished video to YouTube (SDR or HDR), Vimeo, Instagram Reels or TikTok, or for a ProRes archive master: container, codec, resolution, frame rate, bitrate, colour and audio, plus links to each platform's official spec page and a short step list that works in any editor.

safe

get_safe_zone

Returns the approximate areas of a vertical (9:16) video frame that the app interface covers on Instagram Reels, TikTok, YouTube Shorts or Instagram Stories: unsafe margins in pixels and percent, the safe rectangle for text, the position of the right-hand button column and short placement guidance. Values are measured on 1080x1920 and scaled to the given frame size.

text

check_text_position

Checks whether a rectangular text box (caption, title or logo) on a vertical video frame stays inside the safe zone of Instagram Reels, TikTok, YouTube Shorts or Instagram Stories. Reports which interface element it overlaps (top bar, bottom caption area, right button column, edge margins, optionally the Reels comment-reply sticker) and suggests the nearest position that clears them. Coordinates are pixels from the top-left corner of the frame.

validate

validate_srt

Checks pasted SRT or WebVTT subtitle text and lists problems per subtitle: overlapping or out-of-order timings, gaps shorter than the minimum frame gap, reading speed (characters per second), line length, line count, too short or too long durations, and broken characters from a wrong encoding (mojibake such as 'Ã©' or 'â€™', with the probable correct text). Optionally returns a corrected SRT. The text is only processed for this response.

Endpoints

URL	Transport	State	Latency	Checked
https://rast-creator-tools-mcp.studio-c25.workers.dev/v1/mcp	streamable-http	answering	120 ms	2 min ago

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Rast Creator Tools — questions

Answers built from our own checks of this server.

What can Rast Creator Tools do?

It exposes 5 tools, read directly from the server on our last check. Among them: calculate_bitrate, check_text_position, export_settings, get_safe_zone, validate_srt. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Rast Creator Tools working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 162 ms. The bar chart above shows every period we have measured.

How do I connect Rast Creator Tools?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Rast Creator Tools need an API key?

No. Rast Creator Tools completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Rast Creator Tools?

It answers our handshake in 162 ms on average, which is faster than 79% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Rast Creator Tools open source?

The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at rast-creator-tools-mcp.studio-c25.workers.dev, which runs on its operator's own terms.