feat: add 10 new CLI tools and integration guides from Claude connectors

New tools: Clay, Outreach, ZoomInfo, Close, Pendo, Similarweb,
Supermetrics, AirOps, Crossbeam, and Coupler.io. Each includes a
zero-dependency Node.js CLI and an integration guide.

Updates REGISTRY.md with new tool index entries, categories, and
MCP-enabled tools list.

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

tools/integrations/close.md

@@ -0,0 +1,191 @@
+# Close
+
+Sales CRM for SMBs with built-in calling, email, and pipeline management designed for high-velocity sales teams.
+
+## Capabilities
+
+| Integration | Available | Notes |
+|-------------|-----------|-------|
+| API | ✓ | Leads, Contacts, Opportunities, Activities, Tasks |
+| MCP | - | Not available |
+| CLI | ✓ | [close.js](../clis/close.js) |
+| SDK | - | REST API only |
+
+## Authentication
+
+- **Type**: Basic Auth
+- **Header**: `Authorization: Basic {base64(api_key + ':')}`
+- **Get key**: Settings > API Keys at https://app.close.com
+
+## Common Agent Operations
+
+### List Leads
+
+```bash
+GET https://api.close.com/api/v1/lead/
+
+Authorization: Basic {base64(api_key + ':')}
+```
+
+### Search Leads
+
+```bash
+GET https://api.close.com/api/v1/lead/?query=company_name
+
+Authorization: Basic {base64(api_key + ':')}
+```
+
+### Create Lead
+
+```bash
+POST https://api.close.com/api/v1/lead/
+
+{
+  "name": "Acme Corp",
+  "url": "https://acme.com",
+  "description": "Enterprise prospect"
+}
+```
+
+### Get Contact
+
+```bash
+GET https://api.close.com/api/v1/contact/{contact_id}/
+
+Authorization: Basic {base64(api_key + ':')}
+```
+
+### Create Contact
+
+```bash
+POST https://api.close.com/api/v1/contact/
+
+{
+  "lead_id": "lead_xxx",
+  "name": "Jane Smith",
+  "emails": [{ "email": "jane@acme.com", "type": "office" }],
+  "phones": [{ "phone": "+15551234567", "type": "office" }]
+}
+```
+
+### Create Opportunity
+
+```bash
+POST https://api.close.com/api/v1/opportunity/
+
+{
+  "lead_id": "lead_xxx",
+  "value": 50000,
+  "status_type": "active"
+}
+```
+
+### List Activities
+
+```bash
+GET https://api.close.com/api/v1/activity/?lead_id=lead_xxx
+
+Authorization: Basic {base64(api_key + ':')}
+```
+
+### Create Task
+
+```bash
+POST https://api.close.com/api/v1/task/
+
+{
+  "lead_id": "lead_xxx",
+  "text": "Follow up on demo request",
+  "_type": "lead",
+  "date": "2026-03-10"
+}
+```
+
+## Key Metrics
+
+### Lead Data
+- `id` - Lead ID
+- `display_name` - Lead name
+- `url` - Website URL
+- `description` - Lead description
+- `status_id` - Pipeline status
+- `contacts` - Associated contacts
+- `opportunities` - Associated opportunities
+- `tasks` - Associated tasks
+
+### Contact Data
+- `id` - Contact ID
+- `lead_id` - Parent lead
+- `name` - Full name
+- `title` - Job title
+- `emails` - Email addresses array
+- `phones` - Phone numbers array
+
+### Opportunity Data
+- `id` - Opportunity ID
+- `lead_id` - Parent lead
+- `value` - Value in cents
+- `status_type` - active, won, or lost
+- `confidence` - Win probability (0-100)
+- `date_won` - Close date
+
+### Task Data
+- `id` - Task ID
+- `lead_id` - Parent lead
+- `text` - Task description
+- `assigned_to` - Assigned user ID
+- `date` - Due date
+- `is_complete` - Completion status
+
+## Parameters
+
+### Leads
+- `query` - Search query string
+- `_skip` - Number of results to skip (pagination)
+- `_limit` - Max results to return (default: 100)
+- `_fields` - Comma-separated fields to return
+
+### Contacts
+- `lead_id` - Filter by parent lead
+- `_skip` - Pagination offset
+- `_limit` - Max results
+
+### Opportunities
+- `lead_id` - Filter by parent lead
+- `status` - Filter by status type (active, won, lost)
+- `_skip` - Pagination offset
+- `_limit` - Max results
+
+### Activities
+- `lead_id` - Filter by lead
+- `_type__type` - Filter by type (Email, Call, Note, SMS, Meeting)
+- `date_created__gt` - After date
+- `date_created__lt` - Before date
+
+### Tasks
+- `assigned_to` - Filter by user ID
+- `is_complete` - Filter by completion (true/false)
+- `lead_id` - Filter by lead
+- `_type` - Task type (lead)
+
+## When to Use
+
+- Managing SMB sales pipelines with high-touch outreach
+- Tracking sales activities (calls, emails, meetings) per lead
+- Creating and managing tasks for sales follow-ups
+- Opportunity tracking and revenue forecasting
+- Building automated outreach workflows
+- Sales team performance reporting
+
+## Rate Limits
+
+- Rate limits based on organization plan
+- Standard: ~100 requests/minute
+- Responses include `X-Rate-Limit-Limit` and `X-Rate-Limit-Remaining` headers
+- 429 responses include `Retry-After` header
+
+## Relevant Skills
+
+- revops
+- sales-enablement
+- cold-email