naftiko/skills/create-open-extension
skills/create-open-extension/SKILL.md
# Create Open Extension Create an open type extension on a message to store custom data. ## API Details - **API**: Microsoft Outlook Mail API - **Method**: POST - **Path**: `/me/messages/{message-id}/extensions` - **Operation ID**: `createOpenExtension` - **Tag**: Extensions - **OpenAPI**: [microsoft-outlook-mail-api.yaml](../../openapi/microsoft-outlook-mail-api.yaml) ## Sandbox Mock server URL: `http://localhost:8080/rest/microsoft-outlook-mail-api/1.0.0/me/messages/{message-id}/extension
tools
Updated Apr 8, 2026
$ install --global
skillsauthnpx skillsauth add naftiko/microsoft-outlook-sandbox skills/create-open-extensionInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 8, 2026, 2:12 AM5.7s1 file scanned
SKILL.md
Create Open Extension
Create an open type extension on a message to store custom data.
API Details
- API: Microsoft Outlook Mail API
- Method: POST
- Path:
/me/messages/{message-id}/extensions - Operation ID:
createOpenExtension - Tag: Extensions
- OpenAPI: microsoft-outlook-mail-api.yaml
Sandbox
Mock server URL: http://localhost:8080/rest/microsoft-outlook-mail-api/1.0.0/me/messages/{message-id}/extensions
Required Headers
Authorization: Bearer {access-token}Content-Type: application/json
OAuth Scopes
Mail.ReadWrite
Parameters
| Parameter | In | Type | Required | Description | |-----------|-----|------|----------|-------------| | message-id | path | string | Yes | The unique identifier of the message |
Request Body
| Field | Type | Description | |-------|------|-------------| | @odata.type | string | Must be "#microsoft.graph.openTypeExtension" | | extensionName | string | A unique identifier for the extension | | (custom fields) | any | Any custom properties to store |
Example Request
curl -X POST "http://localhost:8080/rest/microsoft-outlook-mail-api/1.0.0/me/messages/AAMkAGVmMDEzMTM4/extensions" \
-H "Authorization: Bearer {access-token}" \
-H "Content-Type: application/json" \
-d '{
"@odata.type": "#microsoft.graph.openTypeExtension",
"extensionName": "Com.Contoso.Referral",
"companyName": "Contoso",
"dealValue": 50000
}'
Example Response
{
"@odata.type": "#microsoft.graph.openTypeExtension",
"id": "Microsoft.OutlookServices.OpenTypeExtension.Com.Contoso.Referral",
"extensionName": "Com.Contoso.Referral",
"companyName": "Contoso",
"dealValue": 50000
}
Instructions
Use this operation to create an open type extension on a message to store custom data. Extensions allow you to add custom properties to messages without requiring an external database. Provide a unique extension name and any custom properties in the request body. Returns 201 on success.
Related Skills
naftiko/skills/update-open-extension
tools
VerifiedTrustedCommunity
# Update Open Extension Update an existing open type extension on a message. ## API Details - **API**: Microsoft Outlook Mail API - **Method**: PATCH - **Path**: `/me/messages/{message-id}/extensions/{extension-id}` - **Operation ID**: `updateOpenExtension` - **Tag**: Extensions - **OpenAPI**: [microsoft-outlook-mail-api.yaml](../../openapi/microsoft-outlook-mail-api.yaml) ## Sandbox Mock server URL: `http://localhost:8080/rest/microsoft-outlook-mail-api/1.0.0/me/messages/{message-id}/exten
SKILL.mdUpdated Apr 8, 2026
naftiko/skills/update-message
development
VerifiedTrustedCommunity
# Update Message Updates the properties of an existing message in the signed-in user's mailbox, such as marking it as read or changing its importance. ## API Details - **API**: Microsoft Outlook Mail API - **Method**: PATCH - **Path**: `/me/messages/{message-id}` - **Operation ID**: `updateMessage` - **Tag**: Messages - **OpenAPI**: [microsoft-outlook-mail-api.yaml](../../openapi/microsoft-outlook-mail-api.yaml) ## Sandbox Mock server URL: `http://localhost:8080/rest/microsoft-outlook-mail-
SKILL.mdUpdated Apr 8, 2026
naftiko/skills/update-message-rule
development
VerifiedTrustedCommunity
# Update Inbox Rule Update the properties of an existing inbox message rule. ## API Details - **API**: Microsoft Outlook Mail API - **Method**: PATCH - **Path**: `/me/mailFolders/inbox/messageRules/{messageRule-id}` - **Operation ID**: `updateMessageRule` - **Tag**: InboxRules - **OpenAPI**: [microsoft-outlook-mail-api.yaml](../../openapi/microsoft-outlook-mail-api.yaml) ## Sandbox Mock server URL: `http://localhost:8080/rest/microsoft-outlook-mail-api/1.0.0/me/mailFolders/inbox/messageRule
SKILL.mdUpdated Apr 8, 2026
naftiko/skills/update-mailbox-settings
development
VerifiedTrustedCommunity
# Update Mailbox Settings Update the user's mailbox settings such as automatic replies, locale, time zone, or working hours. ## API Details - **API**: Microsoft Outlook Mail API - **Method**: PATCH - **Path**: `/me/mailboxSettings` - **Operation ID**: `updateMailboxSettings` - **Tag**: MailboxSettings - **OpenAPI**: [microsoft-outlook-mail-api.yaml](../../openapi/microsoft-outlook-mail-api.yaml) ## Sandbox Mock server URL: `http://localhost:8080/rest/microsoft-outlook-mail-api/1.0.0/me/mail
SKILL.mdUpdated Apr 8, 2026