MCP server

Openhook Official

io.github.openhook-dev/openhook-inbox

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

Webhook, email and DNS inboxes for AI agents to capture callbacks and test integrations.

Website Source

At a glance

Type

MCP server

Publisher

openhook.dev (verified by the MCP Registry)

Status

Working at last check

Tools

29

Token cost

About 3,536 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 openhook-inbox https://openhook.dev/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.openhook-inbox]
url = "https://openhook.dev/mcp"

Gemini CLI

{"mcpServers":{"openhook-inbox":{"httpUrl":"https://openhook.dev/mcp"}}}

Cursor

{"mcpServers":{"openhook-inbox":{"url":"https://openhook.dev/mcp"}}}

VS Code

{"servers":{"openhook-inbox":{"type":"http","url":"https://openhook.dev/mcp"}}}

Antigravity

agy mcp add openhook-inbox https://openhook.dev/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":"openhook-inbox","server_url":"https://openhook.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"openhook-inbox","server_url":"https://openhook.dev/mcp"}

Tools

• access_hosted_inbox ~106 tokens
  Hosted only: issue a private inbox token for an inbox you own. Keep the returned token private.
• check_for_callbacks ~98 tokens
  Check for callbacks newer than a sequence cursor without waiting.
• configure_webhook ~302 tokens
  Set HTTP responses and optional SHA256 HMAC verification, preserving unspecified fields.
• create_webhook ~127 tokens
  Create an inbox. Save its private token; share only public capture addresses. A hosted Pro account_key creates a persistent owned inbox.
• delete_all_requests Deletes data · ~82 tokens
  Clear stored events, keeping the inbox's addresses and settings.
• delete_request Deletes data · ~94 tokens
  Permanently delete one event belonging to this inbox.
• delete_webhook Deletes data · ~76 tokens
  Permanently delete this inbox and its stored events.
• download_request_file ~105 tokens
  Retrieve exact captured bytes as base64, including binary bodies or raw MIME.
• export_webhook_data ~132 tokens
  Export a bounded page of full events; resume with next_since. Browser export streams the entire inbox.
• extract_links_from_request ~114 tokens
  Extract HTTP links and verification codes without visiting the URLs.
• generate_oob_payloads ~82 tokens
  Read callback addresses for authorized out-of-band testing.
• get_hosted_inboxes ~86 tokens
  Hosted only: list your persistent inboxes and usage using a private account agent key.
• get_request ~105 tokens
  Read a complete event; omit request_id to inspect the newest one.
• get_webhook_activity ~122 tokens
  Read durable receipt and mutation history with a cursor. Bodies and secrets are excluded.
• get_webhook_email ~81 tokens
  Read the email address, available when this deployment runs SMTP.
• get_webhook_info ~81 tokens
  Read addresses, expiry, response settings, and retained event count.
• get_webhook_requests ~164 tokens
  Read events with pagination or a durable sequence cursor.
• register_github_webhook ~153 tokens
  Create a signed GitHub repository subscription and native inbox. Requires webhook-write permission.
• register_linear_webhook ~158 tokens
  Create a signed Linear subscription and native inbox. Requires admin scope; optional team filter.
• register_stripe_webhook ~133 tokens
  Create a signed Stripe webhook endpoint and native inbox. Provider credentials are not stored.
• respond_to_next_request ~168 tokens
  Respond to the next request using ?openhook_wait=1, within its 20-second response window.
• rotate_webhook_token ~88 tokens
  Revoke the old private token and return a new one; capture addresses stay unchanged.
• search_requests ~162 tokens
  Search captured bodies, URLs, and headers for a literal substring.
• send_requests Sends messages · ~108 tokens
  Create up to ten marked test HTTP events in this inbox.
• server_status ~54 tokens
  Inspect native storage, retention, and enabled capture transports.
• unregister_webhook Deletes data · ~110 tokens
  Remove the registered provider subscription and permanently delete its native inbox and events.
• update_request ~110 tokens
  Annotate an event without changing its original captured body.
• wait_for_email ~145 tokens
  Wait for an email received by Openhook's SMTP listener.
• wait_for_request ~190 tokens
  Wait up to 120 seconds; pass next_since when reconnecting to avoid missing events.

Browse

• GitHub tools
• Stripe tools
• Website monitoring
• Domains and DNS
• Email
• Project management

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