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File conversion for AI agents: office docs, PDF to Word, video, and LLM-ready markdown via API.
File conversion for AI agents: office docs, PDF to Word, video, and LLM-ready markdown via API.
This is a well-structured MCP server with solid security practices. Authentication is properly implemented via environment variables, sensitive credentials are appropriately redacted from error messages, and file operations are sandboxed with path traversal protection. Input validation and error handling are comprehensive. Minor code quality observations around broad error catching do not materially affect security. Supply chain analysis found 4 known vulnerabilities in dependencies (2 critical, 1 high severity). Package verification found 1 issue.
7 files analyzed · 9 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Set these up before or after installing:
Environment variable: HUSHVERT_API_KEY
Environment variable: HUSHVERT_ALLOWED_DIR
Add this to your MCP configuration file:
{
"mcpServers": {
"com-hushvert-mcp": {
"env": {
"HUSHVERT_API_KEY": "your-hushvert-api-key-here",
"HUSHVERT_ALLOWED_DIR": "your-hushvert-allowed-dir-here"
},
"args": [
"-y",
"@hushvert/mcp"
],
"command": "npx"
}
}
}From the project's GitHub README.
A file-conversion tool for your AI agent.
@hushvert/mcp is a Model Context Protocol
server that gives an AI coding agent (Claude Code, Cursor, Cline, Zed, and any
other MCP host) a convert_file tool over the hushvert hosted API. When a task
needs a conversion a browser cannot do - office documents to PDF, PDF to Word,
large video transcodes - the agent converts the file in one tool call, and the
result is written next to the input. No upload code, no polling, no glue.
It is a thin client over the hushvert hosted API. For the
conversions that DO run in a browser (images, HEIC, archives, audio, small video,
PDF page ops), use the free, open-source @hushvert/engine
package instead - this server will refuse those and point you there.
Get an API key from your hushvert account (developer section - a confirmed email is required), then add the server to your agent's MCP config.
Claude Code (.mcp.json in your project, or the user config):
{
"mcpServers": {
"hushvert": {
"command": "npx",
"args": ["-y", "@hushvert/mcp"],
"env": { "HUSHVERT_API_KEY": "hv_live_your_key_here" }
}
}
}
The same command / args / env block works for Cursor, Cline, Zed, and other
MCP hosts. Then ask your agent: "convert report.docx to PDF."
| Tool | What it does |
|---|---|
convert_file | Convert a local file to another format. Reads the input, runs the conversion, writes the output, returns the path. |
convert_poll | Finish a long conversion (large video) that was still running when convert_file returned. |
list_formats | List the conversions the hosted API supports (the server-only pairs). |
check_usage | Show free conversions remaining, credit balance, and the current billing window. |
convert_fileinput_path (required) path to the source file
to (required) target format, e.g. "pdf", "docx", "mp4"
from (optional) source format; inferred from the extension otherwise
output_path (optional) where to write; defaults beside the input. Required to overwrite.
wait_seconds (optional) max seconds to wait before handing back a jobId to poll. Default 120.
idempotency_key (optional) makes a retried conversion safe (same job, charged once)
Returns { output_path, jobId, pair, bytesIn, bytesOut, status }. If the job is
still running after wait_seconds (typical for large video), it returns
{ jobId, status: "processing", resumeWith: "convert_poll" }; call convert_poll
with the jobId and an output_path to finish.
The server-only formats a browser cannot do:
Call list_formats for the live list. Everything else (images, HEIC, archives,
audio, small video, PDF page ops) runs free, client-side, in
@hushvert/engine.
| Env var | Default | Purpose |
|---|---|---|
HUSHVERT_API_KEY | (required) | Your hv_live_ developer key. |
HUSHVERT_API_BASE | https://hushvert.com | API base URL (for self-host / staging). |
HUSHVERT_DEFAULT_WAIT_SECONDS | 120 | Default poll budget for convert_file. |
HUSHVERT_MAX_JOBS_PER_SESSION | unlimited | Client-side cap on conversions per server run (a guard against runaway loops). |
HUSHVERT_ALLOWED_DIR | unset | If set, the server only reads/writes files under this directory. |
Conversions are billed per use against your account: a free monthly allowance,
then credits. check_usage shows your remaining allowance and balance at any
time - have your agent check it before a large batch. The hosted API processes
the server-only formats that genuinely cannot run in a browser; for everything
else the file never leaves the device via the open-source engine. See
hushvert.com/for-developers.
The API key is read from the environment, never logged, and never returned in a tool result or error. See SECURITY.md.
MIT
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