Yamltools
@IPalSeb
MCP server for YAML: validate & lint, convert between 10 formats, visualize as diagrams, and create/edit your saved diagrams — from your AI editor.
Overview
YAMLTools MCP
Work with YAML from your AI editor (Claude Code, Cursor, any MCP client).
Tools
No account needed
validate_yaml— syntax errors with line/column + lint warnings (tabs, implicit booleans, duplicate keys)convert_yaml— between YAML, JSON, XML, TOML, TOON, CSV, TSV, INI, Properties, ENV (auto-detected)visualize_yaml— Mermaid source (hosted image with an API key)
With a free API key (manage your saved diagrams)
list_diagrams,get_diagram,create_diagram,update_diagram
Ask the AI to edit a diagram and watch it update live in the web editor.
Connect
{
"mcpServers": {
"yamltools": {
"type": "http",
"url": "https://yamltools.dev/api/mcp/mcp"
}
}
}
Get a free API key at https://yamltools.dev/dashboard/settings/api-keys — learn more at https://yamltools.dev/mcp
Server Config
{
"mcpServers": {
"yamltools": {
"type": "http",
"url": "https://yamltools.dev/api/mcp/mcp"
}
}
}