Relin

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Send and receive webhooks, manage customer endpoints, and inspect and retry deliveries.

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Copy this into your MCP client config:

{
  "mcpServers": {
    "Relin": {
      "url": "https://relin.app/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (53)

• describe_relin read-only

  Explain what Relin does and how agents should use it for webhook intake, delivery, replay, and anomaly review.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_supported_webhook_shapes read-only

  List the vendor webhook shapes Relin understands for event identity, ordering, and gap checks.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_setup_guide read-only

  Return concise setup guidance for connecting a webhook source and destination.

  Parameters:

  • provider — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_api_keys read-only

  Authenticated tool to list API keys.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_api_key

  Authenticated tool to create API key.

  Parameters:

  • name (required) — string
  • scopes — array

  Hints: read-only no · destructive no · idempotent no · open-world no

• revoke_api_key destructive

  Authenticated tool to revoke API key.

  Parameters:

  • apiKeyId (required) — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• list_sources read-only

  Authenticated tool to list sources.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_source

  Authenticated tool to create source.

  Parameters:

  • name (required) — string
  • vendor — string
  • signingSecret — string

  Hints: read-only no · destructive no · idempotent no · open-world no

• rotate_source_token destructive

  Authenticated tool for rotating an ingest token and returning the replacement URL once.

  Parameters:

  • sourceId (required) — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• archive_source destructive

  Delete an incoming webhook source and its stored records, stop intake and delivery, and cancel its queued retries. Use only when the user intends to remove that source.

  Parameters:

  • sourceId (required) — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• list_destinations read-only

  Authenticated tool for listing outbound destinations and retry policy.

  Parameters:

  • sourceId — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_destination

  Authenticated tool for creating an outbound destination and connection with retry policy and optional filters.

  Parameters:

  • sourceId (required) — string
  • name (required) — string
  • endpointUrl (required) — string
  • signingSecret — string
  • filterBodyPath — string
  • filterBodyValue — string
  • filterEntityKey — string
  • filterEventTypes — string
  • retryMaxAttempts — integer
  • transformBodyPath — string
  • rateLimitPerMinute — integer
  • retryBackoffSeconds — string
  • transformExpression — string

  Hints: read-only no · destructive no · idempotent no · open-world no

• list_apps read-only

  List outbound webhook applications in the connected Relin workspace. Use this to find the app ID before managing customer endpoints or sending events.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_app

  Create an outbound webhook application for a product or environment. Use when the user needs a new set of customer webhook endpoints.

  Parameters:

  • name (required) — string
  • routingKeyHeader — string
  • routingKeyBodyPath — string

  Hints: read-only no · destructive no · idempotent no · open-world no

• get_app read-only

  Read an outbound webhook application by its app ID to inspect its configuration.

  Parameters:

  • appId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_recipients read-only

  List customers configured to receive outbound webhooks for an app. Use returned customer identifiers for endpoint and message operations.

  Parameters:

  • appId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• upsert_recipient destructive

  Authenticated tool for creating or updating a recipient.

  Parameters:

  • appId (required) — string
  • recipient (required) — string
  • name — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• list_endpoints read-only

  List customer webhook endpoints and delivery settings for an outbound app.

  Parameters:

  • appId (required) — string
  • recipient — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_endpoint

  Add an HTTPS webhook endpoint for a customer of an outbound app. Configure event subscriptions and retry settings using the requested customer and URL.

  Parameters:

  • appId (required) — string
  • recipient (required) — string
  • url (required) — string
  • name — string
  • eventTypes — array
  • recipientName — string

  Hints: read-only no · destructive no · idempotent no · open-world no

• get_endpoint read-only

  Read a customer webhook endpoint, its event subscriptions, and delivery settings.

  Parameters:

  • appId (required) — string
  • endpointId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• update_endpoint destructive

  Change a customer webhook endpoint URL, event subscriptions, signing settings, retry policy, or enabled state. Changes can interrupt or redirect future deliveries.

  Parameters:

  • appId (required) — string
  • endpointId (required) — string
  • url — string
  • name — string
  • enabled — boolean
  • retryMaxAttempts — integer
  • rateLimitPerMinute — integer
  • retryBackoffSeconds — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• delete_endpoint destructive

  Disable a customer webhook endpoint so it no longer receives events.

  Parameters:

  • appId (required) — string
  • endpointId (required) — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• rotate_endpoint_secret destructive

  Authenticated tool for rotating the signing secret for one endpoint.

  Parameters:

  • appId (required) — string
  • endpointId (required) — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• list_messages read-only

  List outbound webhook messages for an app, optionally filtered by customer or event type. Use this for send history rather than incoming vendor events.

  Parameters:

  • appId (required) — string
  • q — string
  • limit — integer

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• send_message

  Send a webhook event from an outbound app to the specified customer. Requires the intended app, recipient, event type, and payload. Delivery can trigger actions at customer endpoints; an accepted message is not proof of delivery.

  Parameters:

  • appId (required) — string
  • recipient (required) — string
  • type (required) — string
  • data
  • messageId — string
  • idempotencyKey — string

  Hints: read-only no · destructive no · idempotent no · open-world yes

• get_message read-only

  Read one outbound webhook message and its delivery state using the app and message IDs.

  Parameters:

  • appId (required) — string
  • messageId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_message_attempts read-only

  Inspect delivery attempts for an outbound webhook message, including returned status and errors. Use this to verify delivery or diagnose failures.

  Parameters:

  • appId (required) — string
  • messageId (required) — string
  • limit — integer

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• replay_message

  Send an existing outbound webhook message again. May repeat actions at customer endpoints; use only for the message the user wants replayed.

  Parameters:

  • appId (required) — string
  • messageId (required) — string

  Hints: read-only no · destructive no · idempotent no · open-world yes

• list_event_types read-only

  List the event types customers can subscribe to for an outbound app.

  Parameters:

  • appId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• upsert_event_type destructive

  Create or update an outbound event type and its description for customer webhook subscriptions.

  Parameters:

  • appId (required) — string
  • eventType (required) — string
  • schema
  • description — string
  • examplePayload

  Hints: read-only no · destructive yes · idempotent no · open-world no

• delete_event_type destructive

  Archive an outbound event type so customers can no longer select it for new subscriptions.

  Parameters:

  • appId (required) — string
  • eventType (required) — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• create_portal_session

  Create a temporary customer webhook portal link for the specified app and recipient. The link grants access to that customer’s webhook controls; share only with the intended user.

  Parameters:

  • appId (required) — string
  • recipient (required) — string
  • theme — object
  • returnUrl — string
  • capabilities — array
  • recipientName — string
  • expiresInSeconds — integer

  Hints: read-only no · destructive no · idempotent no · open-world no

• get_portal_settings read-only

  Authenticated tool for reading portal branding defaults and host setup for an app.

  Parameters:

  • appId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• save_portal_settings destructive

  Authenticated tool for saving portal branding defaults for an app.

  Parameters:

  • appId (required) — string
  • logoUrl — string
  • brandName — string
  • accentColor — string
  • primaryColor — string
  • surfaceColor — string
  • backgroundColor — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• list_portal_hosts read-only

  Authenticated tool for listing stable portal hosts for an app.

  Parameters:

  • appId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_portal_host

  Configure a customer webhook portal on a domain the user controls, with their existing OpenID Connect identity provider. Use only when the user asks to set up a portal domain and supplies the application and identity-provider configuration. This creates portal access configuration and may provision a hostname and certificate.

  Parameters:

  • appId (required) — string
  • hostname (required) — string
  • oidcIssuer (required) — string
  • oidcClientId (required) — string
  • oidcClientSecret (required) — string
  • nameClaim — string
  • emailClaim — string
  • oidcScopes — string
  • recipientClaim — string
  • allowedEmailDomain — string

  Hints: read-only no · destructive no · idempotent no · open-world yes

• check_portal_host

  Authenticated tool for refreshing hostname, certificate, and OIDC readiness for a stable portal host.

  Parameters:

  • portalHostId (required) — string

  Hints: read-only no · destructive no · idempotent no · open-world yes

• get_webhook_setup_status read-only

  Check a source's provider connection, enabled destinations, recent signature-verified events, and delivery attempts. For Stripe, returns a secure authorization link when needed. Call again after the user connects, without recreating or rotating anything.

  Parameters:

  • sourceId (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• ensure_webhook_setup

  Set up incoming webhooks and delivery rules. For Stripe, returns the account authorization link and connection status; after authorization, use get_webhook_setup_status to verify receipt and delivery. Other providers receive an ingest URL for new sources.

  Parameters:

  • vendor (required) — string
  • destinationUrl (required) — string
  • sourceId — string
  • sourceName — string
  • signingSecret — string
  • filterBodyPath — string
  • destinationName — string
  • filterBodyValue — string
  • filterEntityKey — string
  • filterEventTypes — string
  • retryMaxAttempts — integer
  • transformBodyPath — string
  • rateLimitPerMinute — integer
  • retryBackoffSeconds — string
  • transformExpression — string
  • destinationSigningSecret — string

  Hints: read-only no · destructive no · idempotent no · open-world no

• list_recent_events read-only

  Authenticated tool for inspecting recent received events, duplicates, and signature status.

  Parameters:

  • q — string
  • limit — integer
  • sourceId — string
  • signatureStatus — string
  • failedDeliveryOnly — boolean

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_event_detail read-only

  Authenticated tool for reading one event with attempts, deliveries, and optional raw payload.

  Parameters:

  • eventId (required) — string
  • includePayload — boolean

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_open_issues read-only

  Authenticated tool for listing open anomaly and delivery issues. Use q for smart lookup by anom_, dst_, evt_, or src_ IDs, or plain text like a status code or error message.

  Parameters:

  • q — string — Smart query. Recognizes anom_, dst_, evt_, and src_ IDs as exact filters; otherwise matches issue text, kind, status, destination name, IDs, and response status.
  • limit — integer — Maximum number of issues to return.
  • sourceId — string — Only include issues for this source ID.
  • destinationId — string — Only include failed delivery issues for this destination ID.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_delivery_attempts read-only

  Authenticated tool for listing fanout delivery attempts with filters.

  Parameters:

  • limit — integer
  • since — string
  • status — string
  • eventId — string
  • destinationId — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_retry_jobs read-only

  Authenticated tool to list retry jobs.

  Parameters:

  • limit — integer
  • status — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_metrics_summary read-only

  Authenticated tool for delivery, failure, duplicate, and open-issue rollups.

  Parameters:

  • windowHours — integer

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_alert_channels read-only

  Authenticated tool to list alert channels.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_alert_channel

  Authenticated tool to create alert channel.

  Parameters:

  • type (required) — string
  • name (required) — string
  • kinds — array
  • targetUrl — string
  • targetEmail — string

  Hints: read-only no · destructive no · idempotent no · open-world no

• get_slack_connect_url read-only

  Authenticated tool for returning the dashboard Slack OAuth connect URL and expected redirect URL.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• replay_event

  Authenticated tool for queueing a replay of a single received event.

  Parameters:

  • eventId (required) — string

  Hints: read-only no · destructive no · idempotent no · open-world yes

• replay_events

  Authenticated tool for queueing replay by source, query, signature status, failed-delivery state, and time window.

  Parameters:

  • q — string
  • limit — integer
  • sourceId — string
  • windowHours — integer
  • signatureStatus — string
  • failedDeliveryOnly — boolean

  Hints: read-only no · destructive no · idempotent no · open-world yes

• retry_failed_deliveries

  Authenticated tool for queueing immediate retries for failed fanout deliveries.

  Parameters:

  • limit — integer
  • windowHours
  • destinationId — string

  Hints: read-only no · destructive no · idempotent no · open-world yes

• cancel_queued_retries destructive

  Authenticated tool for cancelling queued retry jobs for a workspace or destination.

  Parameters:

  • destinationId — string

  Hints: read-only no · destructive yes · idempotent no · open-world no

• resolve_anomalies destructive

  Authenticated tool for marking one or more open anomalies resolved by anomaly_id.

  Parameters:

  • anomalyIds (required) — array

  Hints: read-only no · destructive yes · idempotent no · open-world no

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