S 
sierra.chat
Sierra provides an AI agent platform for customer experience teams and developers to build and operate customer-facing agents across channels. Its public website describes products such as Agent SDK and Agent Studio for building, integrating, and managing those agents.
sierra.chat exposes publicly accessible MCP servers for specific brand agents (confirmed: Vivid Seats, Redfin, Remitly); no public REST, GraphQL, or CLI developer surface was found on the domain.
discovered 1d ago
MCP servers3
- Vivid Seats MCP Serverdiscovered
- Redfin MCP Serverdiscovered
- Remitly MCP Serverdiscovered
conventions · 0/8 published
- integrations.json✗
/.well-known/integrations.json - llms.txt✗
/llms.txt - API catalog✗
/.well-known/api-catalog - OpenAPI document✗
/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json - MCP server card✗
/.well-known/mcp/server-card.json - OAuth protected resource✗
/.well-known/oauth-protected-resource - Agent card✗
/.well-known/agent-card.json - Agent skills✗
/.well-known/agent-skills/index.json
Publish these signals → /publishing