trychannel3.com

Channel3 provides product search and agentic commerce infrastructure, including product discovery, pricing, availability, and affiliate-link data for shopping apps and AI agents. It also offers an MCP interface for agent integrations.

4 integrations · MCP · REST · CLI

Channel3 exposes a documented REST API, a public MCP server plus a registry-listed Penny MCP endpoint, and a Homebrew-installed CLI that wraps the API.

discovered 1d ago

MCP servers2

Channel3 MCPdiscoveredstreamable-http
Penny MCPdetectedstreamable-http

REST · OpenAPI1

Channel3 APIdiscoveredrest

CLI1

Channel3 CLIdiscoveredchannel3

Credentials

Channel3 API keyapi_keyGet key ↗

Create a free account from Channel3 sign-up or developer sign-up. Channel3 says it generates an API key for you when you create your account; you can then view/manage it in API keys.

OAuth 2.0oauth2

OAuth 2.0 — self-onboarding

Point your MCP client at the server URL and approve access in the browser. The server supports OAuth Dynamic Client Registration (RFC 7591), so the client registers itself automatically — no developer-portal app, client_id, or client_secret to create.

conventions · 1/8 published

integrations.json✗/.well-known/integrations.json
llms.txt✓https://trychannel3.com/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