Caption File Check is an MCP server with 2 tools an agent can call, among them caption_check, caption_compare. It answers at https://powmcp.com/caption-file-check/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 10 September 2026; the last check, on 19 October 2026, succeeded.
Parse WebVTT, SRT, or TTML for conformance, timing, overlaps, line length, and reading speed.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
caption_check | Preflight one caption or subtitle file before delivery. Attach a WebVTT (.vtt), SRT (.srt), or TTML/IMSC (.ttml/.xml) caption file in chat or give a publicly fetchable URL and it downloads the artifact under an SSRF-guarded, 2 MB-capped fet Inputs: url, file, profile |
caption_compare | Compare exactly two caption or subtitle files under identical bounded checks: an original versus its translated track, before versus after a timing fix, or a format migration. Attach two WebVTT, SRT, or TTML/IMSC caption files in chat or gi Inputs: urls, files, profile |
Every block below points at https://powmcp.com/caption-file-check/mcp. Pick your client and copy.
claude mcp add --transport http caption-file-check https://powmcp.com/caption-file-check/mcp
{
"mcpServers": {
"caption-file-check": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://powmcp.com/caption-file-check/mcp"]
}
}
}{
"mcpServers": {
"caption-file-check": {
"url": "https://powmcp.com/caption-file-check/mcp"
}
}
}{
"servers": {
"caption-file-check": {
"type": "http",
"url": "https://powmcp.com/caption-file-check/mcp"
}
}
}{
"context_servers": {
"caption-file-check": {
"url": "https://powmcp.com/caption-file-check/mcp"
}
}
}{
"mcpServers": {
"caption-file-check": {
"serverUrl": "https://powmcp.com/caption-file-check/mcp"
}
}
}{
"mcpServers": {
"caption-file-check": {
"url": "https://powmcp.com/caption-file-check/mcp"
}
}
}name: Caption File Check
version: 0.0.1
schema: v1
mcpServers:
- name: Caption File Check
type: streamable-http
url: https://powmcp.com/caption-file-check/mcp{
"mcpServers": {
"caption-file-check": {
"httpUrl": "https://powmcp.com/caption-file-check/mcp"
}
}
}{
"mcpServers": {
"caption-file-check": {
"type": "http",
"url": "https://powmcp.com/caption-file-check/mcp"
}
}
}{
"mcpServers": {
"caption-file-check": {
"url": "https://powmcp.com/caption-file-check/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fpowmcp.com%2Fcaption-file-check%2Fmcp&type=streamable_http&id=caption-file-check&name=Caption%20File%20Check
It answered our last check on 19 October 2026 in 436 ms. Over 6 checks since 10 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by powmcp.com and served from powmcp.com, the vendor's own domain: https://powmcp.com/caption-file-check/mcp.
2, as returned by the server's own tools/list on 11 September 2026: caption_check, caption_compare.
It answered our last check on 19 October 2026 in 436 ms. Over 6 checks since 10 September 2026 it answered 6.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://powmcp.com/caption-file-check/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.powmcp. Endpoint host: powmcp.com. ARD identifier: urn:air:com.powmcp:mcp:caption-file-check.
First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.