MCP server

Svix MCP by usefulapi

io.usefulapi/svix

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Send and debug webhooks — applications, endpoints, messages, delivery attempts and replays.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

19

Token cost

About 4,002 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http svix https://svix.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.svix]
url = "https://svix.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"svix":{"httpUrl":"https://svix.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"svix":{"url":"https://svix.usefulapi.io/mcp"}}}

VS Code

{"servers":{"svix":{"type":"http","url":"https://svix.usefulapi.io/mcp"}}}

Antigravity

agy mcp add svix https://svix.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"svix","server_url":"https://svix.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"svix","server_url":"https://svix.usefulapi.io/mcp"}

Tools

• svix_create_application ~220 tokens
  Create a new application (one tenant/customer of yours) in the Svix environment. Svix REST: POST /api/v1/app.
• svix_create_endpoint ~286 tokens
  Register 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_get_application ~104 tokens
  Fetch a single application by its Svix id or your own uid. Svix REST: GET /api/v1/app/{app_id}.
• svix_get_endpoint ~143 tokens
  Fetch 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_stats ~208 tokens
  Read 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_get_event_type ~116 tokens
  Fetch a single event type by name, including its description and JSON schema. Svix REST: GET /api/v1/event-type/{event_type_name}.
• svix_get_message ~157 tokens
  Fetch a single message, including its event type and payload. Svix REST: GET /api/v1/app/{app_id}/msg/{msg_id}.
• svix_health ~80 tokens
  Check 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_list_applications ~203 tokens
  List the applications (your tenants/customers) in the Svix environment. Svix REST: GET /api/v1/app.
• svix_list_attempts_by_endpoint ~310 tokens
  List 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_attempts_by_message ~347 tokens
  List 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_background_tasks ~211 tokens
  List 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_list_endpoint_messages ~208 tokens
  List 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_endpoints ~197 tokens
  List the webhook endpoints registered for one application. Svix REST: GET /api/v1/app/{app_id}/endpoint.
• svix_list_event_types ~200 tokens
  List the event types defined in the environment — the catalogue endpoints can subscribe to. Svix REST: GET /api/v1/event-type.
• svix_list_messages ~337 tokens
  List 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_recover_endpoint ~215 tokens
  Replay 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.
• svix_resend_message ~172 tokens
  Queue 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_send_message Sends messages · ~288 tokens
  Send 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.

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