Notion Arena vs Caldav MCP
A side-by-side look at the Notion Arena and Caldav MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
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Notion ArenaWorkplace & Productivity · Local subprocess (stdio)MCP server for Notion Arena — 143 Notion components: 132 widgets + 11 recipes39FairAuth: not declaredVerdict: choose Notion Arena for workplace & productivity work as a local process; choose Caldav MCP for workplace & productivity as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
NChoose Notion Arena when
- You need dedicated capabilities in the Workplace & Productivity domain.
- You prefer a local stdio subprocess transport.
Choose Caldav MCP when
- You need dedicated capabilities in the Workplace & Productivity domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: other.
- You have the keys it needs:
CALDAV_BASE_URL, CALDAV_USERNAME, CALDAV_PASSWORD. - You want tools like
start, end, calendarUrl.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | N Notion Arena | |
|---|---|---|
| Category | Workplace & Productivity | Workplace & Productivity |
| Quality signal | 39/100 · Fair | 63/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | other |
| Pricing | Not declared | Free |
| Required env vars | None listed | CALDAV_BASE_URLCALDAV_USERNAMECALDAV_PASSWORD |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 103 |
| Directory activity | 0 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | Not listed | 22 |
| Full listing | View Notion Arena | View Caldav MCP |
Tools & capabilities
Notion Arena tools
No tool names declared yet. Check the project README from the listing page.
Caldav MCP tools 22
startstring — Start date (ISO 8601)endstring — End date (ISO 8601)calendarUrlstringsummarystringwholeDayboolean (optional) — Create as a whole-day eventdescriptionstring (optional)locationstring (optional)recurrenceRuleobject (optional)freqenum (`DAILY` | `WEEKLY` | `MONTHLY` | `YEARLY`) (optional)intervalnumber (optional)countnumber (optional)untilstring (optional)- +10 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Notion Arena
{
"mcpServers": {
"notion-arena": {
"command": "npx",
"args": [
"-y",
"notion-arena-mcp"
]
}
}
}
Caldav MCP
{
"mcpServers": {
"caldav-mcp": {
"command": "npx",
"args": [
"caldav-mcp"
],
"env": {
"CALDAV_BASE_URL": "YOUR_CALDAV_BASE_URL_HERE",
"CALDAV_USERNAME": "YOUR_CALDAV_USERNAME_HERE",
"CALDAV_PASSWORD": "YOUR_CALDAV_PASSWORD_HERE"
}
}
}
}
Frequently asked questions
Notion Arena is categorized under Workplace & Productivity and uses a local stdio subprocess. Caldav MCP belongs to Workplace & Productivity and uses a local stdio subprocess. Pick Notion Arena for workplace & productivity work and Caldav MCP for workplace & productivity.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Notion Arena has no declared pricing — check the project's own site. Caldav MCP is listed as free. Auth: other. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add notion-arena and caldav-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Notion Arena has a quality signal of 39/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Caldav MCP has 63/100 (Good) with 2 views, 0 installs and 103 GitHub stars.