io.github.0xka13b/ms-calendar-mcp
NPM · MS-CALENDAR-MCP · SCANNED AUG 3
Microsoft Calendar (Outlook Calendar) MCP server for managing events via Microsoft Graph.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →
Supply Chain Security87
- No malware found by supply-chain analysis.Pass
- Only part of the dependency tree could be resolved (110 of 111), so this covers what we could see, not the whole tree.Partial
- No install/post-install scripts declared.Pass
- Only part of the dependency tree could be resolved (110 of 111), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 55 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability77
- AI-judged instruction clarity (excellent).Pass
- Tool/resource definitions use about 620 tokens (~68/item across 9 items; 9 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management27
- Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.
npm · ms-calendar-mcp
claude mcp add 0xka13b-ms-calendar-mcp -- npx -y ms-calendar-mcp
codex mcp add 0xka13b-ms-calendar-mcp -- npx -y ms-calendar-mcp
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"0xka13b-ms-calendar-mcp": {
"type": "local",
"command": [
"npx",
"-y",
"ms-calendar-mcp"
],
"enabled": true
}
}
} openclaw mcp add 0xka13b-ms-calendar-mcp --command npx --arg -y --arg ms-calendar-mcp
mcp_servers:
0xka13b-ms-calendar-mcp:
command: "npx"
args: ["-y", "ms-calendar-mcp"] {
"mcpServers": {
"0xka13b-ms-calendar-mcp": {
"command": "npx",
"args": [
"-y",
"ms-calendar-mcp"
]
}
}
} Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 3 Aug 26 +4
- Stability: unverified → 0.27 ▲ functional
- 2 Aug 26 +40
- Provenance: unverified → fail ▼ security
- Known CVEs: unverified → partial ▲ security
- Install scripts: unverified → pass ▲ security
- Malware scan: unverified → pass ▲ security
- Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet. security
- Capabilities: pass → unverified ▼ functional
- Maintenance: unverified → pass ▲ functional
- Dependency health: unverified → partial ▲ functional
- License: unverified → pass ▲ functional
- Schema quality: unverified → excellent ▲ functional
- Licence: MIT functional
- 1 Aug 26 +5
- Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window). security
- MCP protocol: unverified → pass ▲ functional
- 31 Jul 26 −25
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 28 Jul 26 +22
- Tool coverage: unverified → 100 ▲ functional
- First check of Schema quality: pass functional
- First check of Schema quality: fail functional
- First check of Tool coverage: 100 functional
- First check of Schema quality: unverified functional
- 27 Jul 26 24
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 3 Aug 2026 · Analysed npm/[email protected]
Provenance none
Ecosystem: npm · Outcome: none
Dependencies 110 packages
110 packages in the resolved dependency tree · 110 deprecated · 39 stale.
The dependency tree was only partially resolved, so these counts may be incomplete.
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.
check_availability ~92
Check free/busy schedule for the current user and optional additional attendees within a time window.
| Name | Type | Req | Description |
|---|---|---|---|
| attendees | array | — | Additional attendee email addresses to check (current user is always included) |
| end | string | yes | End datetime in ISO 8601 format |
| start | string | yes | Start datetime in ISO 8601 format |
| timezone | string | — | Timezone for start/end. Defaults to UTC. |
No output schema declared.
No examples provided.
create_event ~173
Create a new calendar event.
| Name | Type | Req | Description |
|---|---|---|---|
| attendees | array | — | Attendee email addresses |
| body | string | — | Event description |
| body_type | string | — | Body content type. Defaults to text. |
| end | string | yes | End datetime in ISO 8601 format, e.g. '2024-01-15T11:00:00' |
| is_online_meeting | boolean | — | Create as an online meeting |
| location | string | — | Event location display name |
| start | string | yes | Start datetime in ISO 8601 format, e.g. '2024-01-15T10:00:00' |
| subject | string | yes | Event title |
| timezone | string | — | Timezone for start/end, e.g. 'America/New_York'. Defaults to UTC. |
No output schema declared.
No examples provided.
delete_event ~61
Delete a calendar event. If the user is the organizer, cancellation notices are sent to attendees.
| Name | Type | Req | Description |
|---|---|---|---|
| event_id | string | yes | Event ID to delete |
| send_cancellation | boolean | — | Send cancellation email to attendees (organizer only). Defaults to true. |
No output schema declared.
No examples provided.
get_event ~26
Get a single calendar event by ID.
| Name | Type | Req | Description |
|---|---|---|---|
| event_id | string | yes | Event ID |
No output schema declared.
No examples provided.
list_events ~74
List calendar events within a date range. Recurring events are expanded.
| Name | Type | Req | Description |
|---|---|---|---|
| days_ahead | integer | — | Days into the future. Defaults to 7. |
| days_back | integer | — | Days into the past. Defaults to 0. |
| include_details | boolean | — | Include event body and attendees. Defaults to true. |
No output schema declared.
No examples provided.
me ~21
Get the signed-in user's profile (id, displayName, mail).
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
respond_event ~77
Accept, decline, or tentatively accept a calendar invitation.
| Name | Type | Req | Description |
|---|---|---|---|
| event_id | string | yes | Event ID to respond to |
| message | string | — | Optional message to include with the response |
| response | string | — | Response type. Defaults to accept. |
| send_response | boolean | — | Send response email to organizer. Defaults to true. |
No output schema declared.
No examples provided.
search_events ~38
Search calendar events by keyword.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | — | Max results. Defaults to 50. |
| query | string | yes | Search query string |
No output schema declared.
No examples provided.
update_event ~58
Update calendar event properties.
| Name | Type | Req | Description |
|---|---|---|---|
| event_id | string | yes | Event ID to update |
| updates | object | yes | Properties to update, e.g. {"subject": "New Title", "location": {"displayName": "Room 1"}} |
No output schema declared.
No examples provided.