One
Search, document and execute authenticated API calls across all your apps (Gmail, Slack, Stripe, Notion, GitHub, and more) through 4 universal tools whose context footprint stays constant no matter how many connections you add. Hosted remote server with OAuth at https://mcp.withone.ai/mcp, or run locally via npx @withone/mcp.
Install
npx -y @withone/mcp
Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@withone/mcp"
],
"env": {
"ONE_SECRET": "<ONE_SECRET>",
"ONE_IDENTITY": "<ONE_IDENTITY>",
"ONE_ACTION_IDS": "<ONE_ACTION_IDS>",
"ONE_PERMISSIONS": "<ONE_PERMISSIONS>",
"ONE_IDENTITY_TYPE": "<ONE_IDENTITY_TYPE>",
"ONE_CONNECTION_KEYS": "<ONE_CONNECTION_KEYS>",
"ONE_KNOWLEDGE_AGENT": "<ONE_KNOWLEDGE_AGENT>"
}
}
}
}Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
Sources: public MCP Server directories. This is an independent third-party directory with no affiliation to or endorsement from the maintainers of the listed servers.
