MCP server

Relin

io.github.earonesty/relin

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

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

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

53

Token cost

About 6,283 tokens per request

Sets up in

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

Last checked

25 Oct 2026, 20:29 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 relin https://relin.app/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.relin]
url = "https://relin.app/mcp"

Gemini CLI

{"mcpServers":{"relin":{"httpUrl":"https://relin.app/mcp"}}}

Cursor

{"mcpServers":{"relin":{"url":"https://relin.app/mcp"}}}

VS Code

{"servers":{"relin":{"type":"http","url":"https://relin.app/mcp"}}}

Antigravity

agy mcp add relin https://relin.app/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":"relin","server_url":"https://relin.app/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"relin","server_url":"https://relin.app/mcp"}

Tools

• archive_source ~108 tokens
  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.
• cancel_queued_retries ~76 tokens
  Authenticated tool for cancelling queued retry jobs for a workspace or destination.
• check_portal_host ~92 tokens
  Authenticated tool for refreshing hostname, certificate, and OIDC readiness for a stable portal host.
• create_alert_channel ~214 tokens
  Authenticated tool to create alert channel.
• create_api_key Changes accounts · ~92 tokens
  Authenticated tool to create API key.
• create_app ~121 tokens
  Create an outbound webhook application for a product or environment. Use when the user needs a new set of customer webhook endpoints.
• create_destination ~258 tokens
  Authenticated tool for creating an outbound destination and connection with retry policy and optional filters.
• create_endpoint ~176 tokens
  Add an HTTPS webhook endpoint for a customer of an outbound app. Configure event subscriptions and retry settings using the requested customer and URL.
• create_portal_host ~270 tokens
  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
• create_portal_session Changes accounts · ~214 tokens
  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.
• create_source ~116 tokens
  Authenticated tool to create source.
• delete_endpoint Deletes data · ~95 tokens
  Disable a customer webhook endpoint so it no longer receives events.
• delete_event_type Deletes data · ~101 tokens
  Archive an outbound event type so customers can no longer select it for new subscriptions.
• describe_relin ~73 tokens
  Explain what Relin does and how agents should use it for webhook intake, delivery, replay, and anomaly review.
• ensure_webhook_setup ~362 tokens
  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.
• get_app ~79 tokens
  Read an outbound webhook application by its app ID to inspect its configuration.
• get_endpoint ~98 tokens
  Read a customer webhook endpoint, its event subscriptions, and delivery settings.
• get_event_detail ~97 tokens
  Authenticated tool for reading one event with attempts, deliveries, and optional raw payload.
• get_message ~98 tokens
  Read one outbound webhook message and its delivery state using the app and message IDs.
• get_metrics_summary ~81 tokens
  Authenticated tool for delivery, failure, duplicate, and open-issue rollups.
• get_portal_settings ~83 tokens
  Authenticated tool for reading portal branding defaults and host setup for an app.
• get_setup_guide ~93 tokens
  Return concise setup guidance for connecting a webhook source and destination.
• get_slack_connect_url ~71 tokens
  Authenticated tool for returning the dashboard Slack OAuth connect URL and expected redirect URL.
• get_webhook_setup_status ~132 tokens
  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.
• list_alert_channels ~55 tokens
  Authenticated tool to list alert channels.
• list_api_keys ~51 tokens
  Authenticated tool to list API keys.
• list_apps ~83 tokens
  List outbound webhook applications in the connected Relin workspace. Use this to find the app ID before managing customer endpoints or sending events.
• list_delivery_attempts ~111 tokens
  Authenticated tool for listing fanout delivery attempts with filters.
• list_destinations ~70 tokens
  Authenticated tool for listing outbound destinations and retry policy.
• list_endpoints ~88 tokens
  List customer webhook endpoints and delivery settings for an outbound app.
• list_event_types ~78 tokens
  List the event types customers can subscribe to for an outbound app.
• list_message_attempts ~133 tokens
  Inspect delivery attempts for an outbound webhook message, including returned status and errors. Use this to verify delivery or diagnose failures.
• list_messages ~123 tokens
  List outbound webhook messages for an app, optionally filtered by customer or event type. Use this for send history rather than incoming vendor events.
• list_open_issues ~234 tokens
  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.
• list_portal_hosts ~77 tokens
  Authenticated tool for listing stable portal hosts for an app.
• list_recent_events ~120 tokens
  Authenticated tool for inspecting recent received events, duplicates, and signature status.
• list_recipients ~98 tokens
  List customers configured to receive outbound webhooks for an app. Use returned customer identifiers for endpoint and message operations.
• list_retry_jobs ~87 tokens
  Authenticated tool to list retry jobs.
• list_sources ~51 tokens
  Authenticated tool to list sources.
• list_supported_webhook_shapes ~72 tokens
  List the vendor webhook shapes Relin understands for event identity, ordering, and gap checks.
• replay_event ~78 tokens
  Authenticated tool for queueing a replay of a single received event.
• replay_events ~142 tokens
  Authenticated tool for queueing replay by source, query, signature status, failed-delivery state, and time window.
• replay_message ~114 tokens
  Send an existing outbound webhook message again. May repeat actions at customer endpoints; use only for the message the user wants replayed.
• resolve_anomalies ~100 tokens
  Authenticated tool for marking one or more open anomalies resolved by anomaly_id.
• retry_failed_deliveries ~124 tokens
  Authenticated tool for queueing immediate retries for failed fanout deliveries.
• revoke_api_key Changes accounts · ~71 tokens
  Authenticated tool to revoke API key.
• rotate_endpoint_secret ~97 tokens
  Authenticated tool for rotating the signing secret for one endpoint.
• rotate_source_token ~86 tokens
  Authenticated tool for rotating an ingest token and returning the replacement URL once.
• save_portal_settings ~138 tokens
  Authenticated tool for saving portal branding defaults for an app.
• send_message Sends messages · ~174 tokens
  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.
• update_endpoint ~209 tokens
  Change a customer webhook endpoint URL, event subscriptions, signing settings, retry policy, or enabled state. Changes can interrupt or redirect future deliveries.
• upsert_event_type ~121 tokens
  Create or update an outbound event type and its description for customer webhook subscriptions.
• upsert_recipient ~98 tokens
  Authenticated tool for creating or updating a recipient.

Browse

• GitHub tools
• Stripe tools
• Payments
• GitHub and code hosting

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