YAML MCP runs on your own machine — the client starts it, so there is no endpoint to ping.
Parse, stringify, and validate YAML locally. No network and no key.
The linked repository no longer exists on GitHub — it was deleted or made private.
Quiet is not dead — but it is worth knowing when it wakes up, or when someone else takes it over. We watch the repository and tell you either way.
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 yaml-mcp -- npx -y yaml-mcp
{
"mcpServers": {
"yaml-mcp": {
"args": [
"-y",
"yaml-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.yaml-mcp]
command = "npx"
args = ["-y", "yaml-mcp"]
{
"mcpServers": {
"yaml-mcp": {
"args": [
"-y",
"yaml-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"yaml-mcp": {
"args": [
"-y",
"yaml-mcp"
],
"command": "npx"
}
}
}
Validate, format, and inspect JSON locally. No network and no key.
Generate UUIDs and validate formats locally. No network and no key.
Parse, filter, and inspect CSV data locally. No network and no key.
Generate strong random passwords locally. No network and no key.
Validate and format IBAN bank account numbers locally. No network and no key.
Validate and format international phone numbers locally. No network and no key.
Test, describe, and validate regular expressions locally. No network and no key.
Parse, compare, and sort semantic version numbers locally. No network and no key.
Answers built from our own checks of this server.