Svix MCP by usefulapi
Send and debug webhooks — applications, endpoints, messages, delivery attempts and replays.
Connect it
Settings → Connectors → Add custom connector
URL: https://svix.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://svix.usefulapi.io/mcp{
"mcpServers": {
"svix": {
"url": "https://svix.usefulapi.io/mcp"
}
}
}claude mcp add --transport http svix https://svix.usefulapi.io/mcp{
"servers": {
"svix": {
"type": "http",
"url": "https://svix.usefulapi.io/mcp"
}
}
}19 tools, pulled live
svix_list_applicationsread-onlyList the applications (your tenants/customers) in the Svix environment. Svix REST: GET /api/v1/app.
svix_get_applicationread-onlyFetch a single application by its Svix id or your own uid. Svix REST: GET /api/v1/app/{app_id}.
svix_list_endpointsread-onlyList the webhook endpoints registered for one application. Svix REST: GET /api/v1/app/{app_id}/endpoint.
svix_get_endpointread-onlyFetch a single webhook endpoint, including its URL, subscribed event types and channels. Svix REST: GET /api/v1/app/{app_id}/endpoint/{endpoint_id}.
svix_get_endpoint_statsread-onlyRead delivery statistics for one endpoint — counts of success, pending, sending and fail. The fastest way to see whether an endpoint is healthy. Svix REST: GET /api/v1/app/{app_id}/endpoint/{endpoint_id}/stats.
svix_list_messagesread-onlyList the webhook messages sent for one application, newest first. Filter by event type, channel, tag or time window. Svix REST: GET /api/v1/app/{app_id}/msg.
svix_get_messageread-onlyFetch a single message, including its event type and payload. Svix REST: GET /api/v1/app/{app_id}/msg/{msg_id}.
svix_list_attempts_by_messageread-onlyList every delivery attempt Svix made for one message, across endpoints — status, response code and body. This is the tool for answering 'why did this webhook not arrive?'. Svix REST: GET /api/v1/app/{app_id}/attempt/msg/{msg_id}.
svix_list_attempts_by_endpointread-onlyList delivery attempts against one endpoint, newest first. Filter by status to find the failures. Svix REST: GET /api/v1/app/{app_id}/attempt/endpoint/{endpoint_id}.
svix_list_endpoint_messagesread-onlyList the messages destined for one endpoint, with each message's delivery status. Svix REST: GET /api/v1/app/{app_id}/endpoint/{endpoint_id}/msg.
svix_list_event_typesread-onlyList the event types defined in the environment — the catalogue endpoints can subscribe to. Svix REST: GET /api/v1/event-type.
svix_get_event_typeread-onlyFetch a single event type by name, including its description and JSON schema. Svix REST: GET /api/v1/event-type/{event_type_name}.
svix_list_background_tasksread-onlyList Svix background tasks (bulk replays, expunges, imports) with their status. Use it to follow up a recover or replay. Svix REST: GET /api/v1/background-task.
svix_healthread-onlyCheck that the Svix API is reachable and the API key works. Returns 200 with an empty body when healthy. Svix REST: GET /api/v1/health.
svix_create_applicationcan modifyCreate a new application (one tenant/customer of yours) in the Svix environment. Svix REST: POST /api/v1/app.
svix_create_endpointcan modifyRegister a webhook endpoint URL for one application, optionally scoped to specific event types and channels. Svix REST: POST /api/v1/app/{app_id}/endpoint.
svix_send_messagecan modifySend a webhook message to every endpoint of an application subscribed to the event type. This delivers real traffic to your customers' URLs. Svix REST: POST /api/v1/app/{app_id}/msg.
svix_resend_messagecan modifyQueue one message for redelivery to one endpoint. The usual fix after a customer's endpoint was down. Svix REST: POST /api/v1/app/{app_id}/msg/{msg_id}/endpoint/{endpoint_id}/resend.
svix_recover_endpointcan modifyReplay every failed message for one endpoint since a timestamp. Runs as a background task — follow it with svix_list_background_tasks. Svix REST: POST /api/v1/app/{app_id}/endpoint/{endpoint_id}/recover.
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