ChangeThisFile MCP Server

by changethisfile Your server? Claim it

answering

ChangeThisFile is answering right now. Last checked 5 min ago. It exposes 7 tools. Last commit 25 Aug 2026.

1,000+ conversion routes plus translate, extract tables, compress. 25 free/month, then a free key.

Uptime history 52 days of history · worst day 91%

52 days agonow

94.6%

Uptime 24h

87 of 92 checks

Tools

read from the server

392 ms

Response time

average over 24h

Stars

last commit 25 Aug 2026

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 25 August 2026. No other catalogue keeps this.

25 Aug a tool description was rewritten convert_file

25 Aug a tool changed version

ChangeThisFile does not always answer

Over the last week it answered 97.7% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://changethisfile.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://changethisfile.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://changethisfile.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://changethisfile.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://changethisfile.com/mcp"
    }
  }
}

Available tools 7

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

compress

compress_file

Compress a file (PDF, JPG, PNG, WebP, MP4, MOV, WebM) down to an exact target size — e.g. "under 5MB for an upload form". FREE (daily limit applies). Returns a download URL on success; if the target is physically unreachable it fails honestly and reports the smallest achievable size. Provide EITHER source_url OR base64_content, plus a filename with extension.

conversions

list_conversions

List all supported conversion routes. Optionally filter by source format to see what you can convert FROM a specific format.

convert

convert_file

Convert a file from one format to another. Anonymous callers get 25 free conversions per month per network; after that a free verified ChangeThisFile API key is required (25/month shared across REST + MCP; send it as Authorization: Bearer ctf_sk_…). Pass EITHER a publicly accessible URL (source_url) OR base64-encoded file contents (base64_content + source_format) — exactly one is required. Returns a temporary download URL (valid 1 hour; file deleted within 24 hours).

extract

extract_tables

Extract every table from a PDF or image (PNG, JPG, WebP) into a clean multi-sheet Excel file. The job runs immediately and returns a FREE preview of the first table plus a secure Stripe checkout link — the full .xlsx unlocks after payment ($3.99, one-time, no account needed). Provide EITHER source_url OR base64_content, plus a filename with extension.

file

do_file_job

Describe what you want done to a file in plain language — e.g. "translate this contract to German", "pull every table out of this PDF into Excel", "shrink this video to under 25MB", "convert this to PDF". The instruction is routed to the right job automatically; if the request is not supported yet you get an honest explanation of what is. Provide EITHER source_url OR base64_content, plus a filename with extension.

job

check_job

Check the status of a previously submitted file job (translate_file, extract_tables, compress_file). Returns the current status, preview + checkout link for completed paid jobs, or the download URL for completed free/paid-and-unlocked jobs.

translate

translate_file

Translate a document into another language with the original layout and formatting preserved (DOCX, PPTX, XLSX, PDF, TXT, MD, SRT, VTT). The job runs immediately and returns a FREE preview of the first pages plus a secure Stripe checkout link — the full translated file unlocks after payment ($4.99, one-time, no account needed). Provide EITHER source_url OR base64_content, plus a filename with extension.

Endpoints

URL	Transport	State	Latency	Checked
https://changethisfile.com/mcp	streamable-http	answering	391 ms	5 min ago

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ChangeThisFile — questions

Answers built from our own checks of this server.

What can ChangeThisFile do?

It exposes 7 tools, read directly from the server on our last check. Among them: check_job, compress_file, convert_file, do_file_job, extract_tables, list_conversions and 1 more. 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 ChangeThisFile working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 87 of 92 checks got a reply (94.6%), average response time 392 ms. The bar chart above shows every period we have measured.

How do I connect ChangeThisFile?

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

Does ChangeThisFile need an API key?

No. ChangeThisFile completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is ChangeThisFile?

It answers our handshake in 392 ms on average, which is faster than 41% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is ChangeThisFile open source?

Yes — it is published under the MIT licence, written in JavaScript, 6 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.