ProductivityMCP RegistrymcpbB · 74

calendar-ics-events-free-busy MCP server

com.bestremotetools · Updated 1mo ago

Read an .ics export: list events with recurring series expanded, find free and busy, bill a meeting.

At a glance

calendar-ics-events-free-busy is an MCP server in the Productivity category. It runs locally over stdio via `npx -y https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb`, and needs MCP_LICENSE_KEY. It scores B (74/100) on the MCP Skills Hub health score as of Oct 28, 2026.

Source 2

One-click install

VS Code VS Code Insiders Cursor

Opens your editor and pre-fills the config. Your editor will ask before adding it.

How to install calendar-ics-events-free-busy in your AI client

Setup for Claude Code, Claude Desktop, Cursor, Codex, Windsurf, Cline and VS Code — copy-paste ready.

How to install calendar-ics-events-free-busy in Claude CodeAnthropic's agentic CLI

Add the server

bash

claude mcp add calendar-ics-events-free-busy -e 'MCP_LICENSE_KEY=<MCP_LICENSE_KEY>' -- npx -y https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb

Fill in your credentials
Replace <MCP_LICENSE_KEY> with your real value. Keep secrets out of any config file you commit.
3
Verify it's connected
bash
```
claude mcp list
```
Sharing it with your team?
Add `--scope project` to write it to .mcp.json in the repository root, which you can commit (with the secrets left as environment variables).
Use it in a session
Ask Claude to use the tools this server exposes. It discovers them automatically.

How to install calendar-ics-events-free-busy in Claude DesktopDesktop app (MCP config)

Open your MCP config
macOS: ~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json

Add this server

json

{
  "mcpServers": {
    "calendar-ics-events-free-busy": {
      "command": "npx",
      "args": [
        "-y",
        "https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb"
      ],
      "env": {
        "MCP_LICENSE_KEY": "<MCP_LICENSE_KEY>"
      }
    }
  }
}

Fill in your credentials
Replace <MCP_LICENSE_KEY> with your real value. Keep secrets out of any config file you commit.
Restart Claude Desktop
The tools appear under the 🔌 menu once the app reloads.

How to install calendar-ics-events-free-busy in CursorAI-first code editor

Create / edit .cursor/mcp.json in your project

json

{
  "mcpServers": {
    "calendar-ics-events-free-busy": {
      "command": "npx",
      "args": [
        "-y",
        "https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb"
      ],
      "env": {
        "MCP_LICENSE_KEY": "<MCP_LICENSE_KEY>"
      }
    }
  }
}

Fill in your credentials
Replace <MCP_LICENSE_KEY> with your real value. Keep secrets out of any config file you commit.
Enable it
Cursor Settings → MCP → toggle the server on. Tools become available to the Composer/Agent.

How to install calendar-ics-events-free-busy in Codex CLIOpenAI coding agent

Add to ~/.codex/config.toml

toml

[mcp_servers.calendar-ics-events-free-busy]
command = "npx"
args = ["-y", "https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb"]
env = { MCP_LICENSE_KEY = "<MCP_LICENSE_KEY>" }

Fill in your credentials
Replace <MCP_LICENSE_KEY> with your real value. Keep secrets out of any config file you commit.
Run Codex
Codex loads MCP servers from config.toml on startup and exposes their tools to the agent.

How to install calendar-ics-events-free-busy in WindsurfCodeium's agentic IDE

Edit ~/.codeium/windsurf/mcp_config.json

json

{
  "mcpServers": {
    "calendar-ics-events-free-busy": {
      "command": "npx",
      "args": [
        "-y",
        "https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb"
      ],
      "env": {
        "MCP_LICENSE_KEY": "<MCP_LICENSE_KEY>"
      }
    }
  }
}

Fill in your credentials
Replace <MCP_LICENSE_KEY> with your real value. Keep secrets out of any config file you commit.
Reload
Windsurf → Cascade → refresh MCP servers. Cascade can now call the tools.

How to install calendar-ics-events-free-busy in ClineVS Code autonomous agent

Open Cline → MCP Servers → Configure
Adds to cline_mcp_settings.json.

Add the server

json

{
  "mcpServers": {
    "calendar-ics-events-free-busy": {
      "command": "npx",
      "args": [
        "-y",
        "https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb"
      ],
      "env": {
        "MCP_LICENSE_KEY": "<MCP_LICENSE_KEY>"
      }
    }
  }
}

Fill in your credentials
Replace <MCP_LICENSE_KEY> with your real value. Keep secrets out of any config file you commit.

How to install calendar-ics-events-free-busy in VS CodeCopilot / MCP support

Create .vscode/mcp.json

json

{
  "servers": {
    "calendar-ics-events-free-busy": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "https://github.com/theluckystrike/mcp-servers/releases/download/v0.21.0/calendar.mcpb"
      ],
      "env": {
        "MCP_LICENSE_KEY": "<MCP_LICENSE_KEY>"
      }
    }
  }
}

Fill in your credentials
Replace <MCP_LICENSE_KEY> with your real value. Keep secrets out of any config file you commit.
Start it
VS Code shows a ▶ Start action above the server entry. Agent mode (Copilot Chat) can then use the tools.

What does calendar-ics-events-free-busy need from you?

API key — Optional Pro license key (MCPL1....). Verified offline.

MCP_LICENSE_KEYoptionalsecretEnvironment variable
Optional Pro license key (MCPL1....). Verified offline.

Pass secrets through your shell environment rather than committing them into a config file.

What tools does calendar-ics-events-free-busy expose?

This server runs as a local package. We only query remote servers for their tool list — asking this one would mean executing it, so its tools are listed in the documentation below.

What the code can do

The published package could not be downloaded or read for analysis.

Before you install

Signals gathered from the source repo and package registry — not a safety verdict.

What it can reach

Runs code on your machine — Executes as a local process with your user's permissions, including filesystem access.
Downloads at launch — The package is fetched from its registry each run unless you pin a version.

Last commit 1 day ago — Actively maintained.
Repository created 1 month ago — Very new project with little track record yet.
2 GitHub stars — Very little community usage so far.

Client compatibility

Claude Code: NativeClaude Desktop: NativeCursor: NativeCodex CLI: NativeWindsurf: NativeCline: NativeVS Code: Native

Health score

B · 74

Maintenance, adoption, transparency and packaging — not a safety audit. How this is calculated

Maintenance30%100%
Last commit 1 day ago.
Adoption20%14%
2 stars.
Transparency20%75%
3/4: ✓ public source repo, ✓ declared license, ✓ documentation, ✗ discoverable tool list.
Provenance15%75%
Links to its own repository; package linkage unverified.
Packaging15%100%
Publishes a pinned version (0.21.0).

Documentation

Full README

MCP servers by theluckystrike

Practical Model Context Protocol servers for people who work inside Claude, Cursor and other MCP clients. Every server runs locally over stdio, keeps all data on your machine, and has a genuinely useful free tier. Pro unlocks the limits for a one-time payment: $19 per server or $39 for the bundle, lifetime.

57 servers plus the office-suite aggregator, 46 of them also reachable as a hosted endpoint with no install.

Try a free task in this browser: compare supplier statement open items, review duplicate invoice references, or match an invoice to a PO and receipts. These examples compute locally and send no field values or diagnostic requests.

For the hosted servers, open the connection page, mint a free token and copy the complete URL. A bare endpoint can initialize and list tools but does not authorize tool calls. Local-only products use their extension or source build; the catalogue identifies each supported path.

That is the invoice server answering a real prompt: a client, some hours, a VAT rate, and a numbered PDF at the end. The table links the demonstrations that are available; some are labeled evidence diagrams rather than client captures.

Choose the install path supported by your server.

Claude Desktop bundle. Choose the server in the download catalog, download its versioned .mcpb and open it.
Hosted, for 46 servers. Open mcp.zovo.one/mcp/connect, mint a free token and copy the ready URL for your server. That URL includes the token; a bare endpoint does not authorize tool calls. Servers without an endpoint use the bundle or source build.

The npm packages are not published. Use a bundle or the source build below rather than an npm package command.

| Server | Demo | What it does | One-click bundle | |---|---|---|---| | mcp-amortization | !amortization | Loan and lease schedules from the terms of the agreement, to the minor unit. | `amortization.mcpb` | | mcp-asset-register | !asset-register | A fixed asset register that depreciates on the rates the tax authorities actually publish, with the schedule, the journal and the gain on sale. | `asset-register.mcpb` | | mcp-backlink-checker | !backlink-checker | Backlink checks from Claude or Cursor: dofollow or nofollow, anchor text, HTTP status and robots guards. | `backlink-checker.mcpb` | | mcp-bank-statement | !bank-statement | Bank CSV exports categorised, summarised and reconciled with expenses. | `bank-statement.mcpb` | | mcp-barcode | !barcode | QR codes and barcodes drawn on your machine, with no upload and no network call. | `barcode.mcpb` | | mcp-bill-of-sale | !bill-of-sale | Record a sale of equipment, a vehicle or stock and get a printable bill of sale with signature lines. | `bill-of-sale.mcpb` | | mcp-billing-docs | !billing-docs | Credit notes and purchase orders, on the same engine as your invoices. | `billing-docs.mcpb` | | mcp-budget | | Monthly budgets you set and check inside the conversation. | `budget.mcpb` | | mcp-calendar | !calendar | Read .ics calendars: events, free and busy, conflicts, exports. | `calendar.mcpb` | | mcp-cash-book | !cash-book | One double-entry ledger derived from the books you already keep, proved to the minor unit. | `cash-book.mcpb` | | mcp-catalogue | !catalogue | One price list and one rate card, kept where the invoice and the quote can both read them. | `catalogue.mcpb` | | mcp-change-order | !change-order | Change orders against a quote or a work order, with the running contract value derived from what the client approved. | `change-order.mcpb` | | mcp-checklist | !checklist | Checklists you build once and run many times, and the dated record of each run that somebody signs. | `checklist.mcpb` | | mcp-clauses | !clauses | Reusable contract clauses, searched and assembled into Word. | `clauses.mcpb` | | mcp-credit-note | !credit-note | Credit notes against an invoice or standalone: drafts, finalization, rendering and totals, all in integer minor units. | [credit-note.mcpb](ht

…

Excerpt — the full document is on GitHub.

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