List MCP servers that expose deployed workflows to external clients. Use List MCP Servers for external servers Sim calls. Tool names share a 2,000-name page limit; inspect toolNamesTruncated and use List Workflow MCP Tools for a server's inventory. Workspace API keys return 403; use a personal API key or scoped OAuth token.
OAuth scope: api:read.
/api/v2/workflow-mcp-serversYour Sim API key, personal or workspace-scoped. Generate one under Settings, then API Keys. Operations that reject workspace keys say so in their own description.
In: header
Query Parameters
Workspace whose published MCP servers to list.
1 <= length <= 128Field used to sort the result. Sorting by name is case-sensitive and follows the storage collation, so do not rely on a case-insensitive order.
"createdAt""name" | "createdAt" | "updatedAt"Sort direction.
"desc""asc" | "desc"Maximum workflow-MCP servers to return per page. Must be a whole number from 1 to 100. Defaults to 50.
501 <= value <= 100Opaque cursor from the previous page. Send it back with the same sort and filters; only limit may change. Change anything else and pagination must restart without a cursor.
1 <= lengthResponse Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X GET "https://www.sim.ai/api/v2/workflow-mcp-servers?workspaceId=string" \ -H "X-API-Key: YOUR_API_KEY"{
"data": [
{
"id": "wfmcp_01J8ZK3QW4M6X2R9T7B5C0V2",
"name": "Support agents",
"description": "Ticket triage and escalation workflows.",
"isPublic": false,
"mcpServerUrl": "https://www.sim.ai/api/mcp/serve/wfmcp_01J8ZK3QW4M6X2R9T7B5C0V2",
"createdAt": "2026-06-12T10:30:00.000Z",
"updatedAt": "2026-06-12T10:30:00.000Z",
"toolCount": 1,
"toolNames": [
"triage_ticket"
]
}
],
"nextCursor": null,
"toolNamesTruncated": false
}{
"error": {
"code": "BAD_REQUEST",
"message": "Invalid request"
}
}{
"error": {
"code": "UNAUTHORIZED",
"message": "Authentication required"
}
}{
"error": {
"code": "FORBIDDEN",
"message": "Insufficient workspace permissions",
"details": {
"code": "INSUFFICIENT_WORKSPACE_ROLE"
}
}
}{
"error": {
"code": "NOT_FOUND",
"message": "Not found"
}
}{
"error": {
"code": "RATE_LIMITED",
"message": "API rate limit exceeded",
"details": {
"retryAfter": "2026-01-01T00:00:30.000Z"
}
}
}{
"error": {
"code": "INTERNAL_ERROR",
"message": "Internal server error"
}
}{
"error": {
"code": "SERVICE_UNAVAILABLE",
"message": "Service temporarily unavailable"
}
}