feat: add 23 new CLI tools and integration guides

New tools across 13 categories:
- Email/Newsletter: beehiiv, klaviyo, postmark, brevo, activecampaign
- Data Enrichment: clearbit, apollo
- CRO/Testing: hotjar, optimizely
- Analytics: plausible
- Scheduling: calendly, savvycal
- Forms: typeform
- Messaging: intercom
- Social: buffer
- Video: wistia
- Payments: paddle
- Affiliate: partnerstack
- Reviews: trustpilot, g2
- Push: onesignal
- Webinar: demio, livestorm

Each tool includes a zero-dependency CLI and integration guide.
Registry and CLI README updated with all new entries.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tools/integrations/savvycal.md

@@ -0,0 +1,181 @@
+# SavvyCal
+
+Scheduling platform API for managing scheduling links, events, availability slots, and webhooks.
+
+## Capabilities
+
+| Integration | Available | Notes |
+|-------------|-----------|-------|
+| API | ✓ | REST API v1 - scheduling links, events, webhooks |
+| MCP | - | Not available |
+| CLI | ✓ | [savvycal.js](../clis/savvycal.js) |
+| SDK | - | No official SDK |
+
+## Authentication
+
+- **Type**: Bearer Token (Personal Access Token or OAuth 2.0)
+- **Header**: `Authorization: Bearer {token}`
+- **Get key**: Developer Settings in SavvyCal dashboard (create a Personal Access Token)
+
+## Common Agent Operations
+
+### Get current user
+
+```bash
+GET https://api.savvycal.com/v1/me
+```
+
+### List scheduling links
+
+```bash
+GET https://api.savvycal.com/v1/scheduling-links
+```
+
+### Get a scheduling link
+
+```bash
+GET https://api.savvycal.com/v1/scheduling-links/{id}
+```
+
+### Create a scheduling link
+
+```bash
+POST https://api.savvycal.com/v1/scheduling-links
+
+{
+  "name": "30 Minute Meeting",
+  "slug": "30min",
+  "duration_minutes": 30
+}
+```
+
+### Update a scheduling link
+
+```bash
+PATCH https://api.savvycal.com/v1/scheduling-links/{id}
+
+{
+  "name": "Updated Meeting Name"
+}
+```
+
+### Delete a scheduling link
+
+```bash
+DELETE https://api.savvycal.com/v1/scheduling-links/{id}
+```
+
+### Duplicate a scheduling link
+
+```bash
+POST https://api.savvycal.com/v1/scheduling-links/{id}/duplicate
+```
+
+### Toggle link state (active/disabled)
+
+```bash
+POST https://api.savvycal.com/v1/scheduling-links/{id}/toggle
+```
+
+### Get available time slots
+
+```bash
+GET https://api.savvycal.com/v1/scheduling-links/{id}/slots
+```
+
+### List events
+
+```bash
+GET https://api.savvycal.com/v1/events
+```
+
+### Get an event
+
+```bash
+GET https://api.savvycal.com/v1/events/{id}
+```
+
+### Create an event
+
+```bash
+POST https://api.savvycal.com/v1/events
+
+{
+  "scheduling_link_id": "{link_id}",
+  "start_at": "2024-01-20T10:00:00Z",
+  "name": "John Doe",
+  "email": "john@example.com"
+}
+```
+
+### Cancel an event
+
+```bash
+POST https://api.savvycal.com/v1/events/{id}/cancel
+```
+
+### List webhooks
+
+```bash
+GET https://api.savvycal.com/v1/webhooks
+```
+
+### Create a webhook
+
+```bash
+POST https://api.savvycal.com/v1/webhooks
+
+{
+  "url": "https://example.com/webhook",
+  "events": ["event.created", "event.canceled"]
+}
+```
+
+## Key Metrics
+
+### Scheduling Link Data
+- `id` - Unique link identifier
+- `name` - Display name
+- `slug` - URL slug
+- `duration_minutes` - Meeting duration
+- `state` - Active or disabled
+- `url` - Full scheduling URL
+
+### Event Data
+- `id` - Unique event identifier
+- `name` - Invitee name
+- `email` - Invitee email
+- `start_at` / `end_at` - Event timing
+- `status` - Event status
+- `scheduling_link` - Associated scheduling link
+
+## Parameters
+
+### List Events
+- `before` / `after` - Pagination cursors
+- `limit` - Results per page (default 20, max 100)
+
+### List Scheduling Links
+- `before` / `after` - Pagination cursors
+- `limit` - Results per page
+
+## When to Use
+
+- Managing scheduling links programmatically
+- Retrieving booked events for CRM or analytics sync
+- Checking available time slots for custom booking UIs
+- Automating scheduling link creation for campaigns
+- Monitoring booking activity via webhooks
+
+## Rate Limits
+
+- Not officially documented
+- Implement retry logic with exponential backoff
+- Monitor for HTTP 429 responses
+
+## Relevant Skills
+
+- lead-generation
+- sales-automation
+- appointment-scheduling
+- customer-onboarding