Creates new tools for itself on request; new tools become available after restarting Claude Desktop.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add tool-builder -- uv --directory PATH_TOmcp-tool-builder run tool-builder~/.codex/config.toml
[mcp_servers.tool-builder]
command = "uv"
args = ["--directory", "PATH_TOmcp-tool-builder", "run", "tool-builder"]
# codex mcp add tool-builder -- uv --directory PATH_TOmcp-tool-builder run tool-builder~/.cursor/mcp.json
{
"mcpServers": {
"tool-builder": {
"command": "uv",
"args": [
"--directory",
"PATH_TOmcp-tool-builder",
"run",
"tool-builder"
]
}
}
}.vscode/mcp.json
{
"servers": {
"tool-builder": {
"type": "stdio",
"command": "uv",
"args": [
"--directory",
"PATH_TOmcp-tool-builder",
"run",
"tool-builder"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"tool-builder": {
"command": "uv",
"args": [
"--directory",
"PATH_TOmcp-tool-builder",
"run",
"tool-builder"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"tool-builder": {
"command": "uv",
"args": [
"--directory",
"PATH_TOmcp-tool-builder",
"run",
"tool-builder"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"tool-builder": {
"command": "uv",
"args": [
"--directory",
"PATH_TOmcp-tool-builder",
"run",
"tool-builder"
]
}
}
}