INDIVIDUAL MCP TOOL

harvest_list_clients

List clients, optionally filtered by active status or updated-since.

usefulapi.ionone authenticationAvailability not checked

LIVE ENDPOINT

https://harvest.usefulapi.io/mcp

No auth detected

Connect to this endpoint to inspect the live schema for harvest_list_clients and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.harvest-mcp]
url = "https://harvest.usefulapi.io/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "harvest-mcp": {
      "type": "http",
      "url": "https://harvest.usefulapi.io/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: harvest-mcp
Remote MCP URL: https://harvest.usefulapi.io/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "harvest-mcp": {
      "url": "https://harvest.usefulapi.io/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "harvest-mcp": {
      "type": "http",
      "url": "https://harvest.usefulapi.io/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "harvest-mcp",
  "transport": "streamable-http",
  "url": "https://harvest.usefulapi.io/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

harvest_list_time_entries — List time entries, optionally filtered by user, project, client, task, date range, running/billed status, or updated-since.
harvest_get_time_entry — Retrieve a single time entry by id.
harvest_list_projects — List projects, optionally filtered by active status or client, or updated-since.
harvest_get_project — Retrieve a single project by id.
harvest_get_client — Retrieve a single client by id.
harvest_list_tasks — List tasks (the billable/non-billable work categories that can be assigned to projects), optionally filtered by active status or updated-since.
harvest_list_users — List users in the account, optionally filtered by active status or updated-since.
harvest_get_current_user — Retrieve the currently authenticated user (whom the access token belongs to).