rendercheck runs on your own machine — the client starts it, so there is no endpoint to ping. 96 installs a week from pypi. Last commit 21 Aug 2026.
Check generated audio, video and stills for defects. Returns a verdict, not more media.
We read the source, 20 h ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
const probe = spawnSync(WINDOWS ? "where" : "which", WINDOWS ? [command] : ["-a", command], {
subprocess.run(["ffmpeg", "-y", "-loglevel", "error", *args], check=True)
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add rendercheck -- uvx rendercheck
{
"mcpServers": {
"rendercheck": {
"command": "uvx",
"args": [
"rendercheck"
]
}
}
}
[mcp_servers.rendercheck]
command = "uvx"
args = ["rendercheck"]
{
"mcpServers": {
"rendercheck": {
"command": "uvx",
"args": [
"rendercheck"
]
}
}
}
{
"servers": {
"rendercheck": {
"type": "stdio",
"command": "uvx",
"args": [
"rendercheck"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
ANTHROPIC_API_KEY (Only for the optional `looks ok` vision check. Every other check is deterministic and needs no key).
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Answers built from our own checks of this server.