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Openhook

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

Connector by openhook-dev · GitHub account verified by the MCP Registry

IndexedMITRemote (HTTP)★ 1
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/openhook-dev-openhook-inbox

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://openhook.dev/mcp Remote (HTTP)

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About

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

Reviews

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 26, 2026.

Tools
15 read · 0 write · 14 delete
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 29

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 15 · Look things up without changing anything.

  • check_for_callbacks
  • download_request_file
  • export_webhook_data
  • extract_links_from_request
  • generate_oob_payloads
  • get_hosted_inboxes
  • get_request
  • get_webhook_activity
  • get_webhook_email
  • get_webhook_info
  • get_webhook_requests
  • search_requests
Show 3 more tools
  • server_status
  • wait_for_email
  • wait_for_request

Delete 14 · Delete, drop, revoke or wipe things.

  • access_hosted_inbox
  • configure_webhook
  • create_webhook
  • delete_all_requests
  • delete_request
  • delete_webhook
  • register_github_webhook
  • register_linear_webhook
  • register_stripe_webhook
  • respond_to_next_request
  • rotate_webhook_token
  • send_requests
Show 2 more tools
  • unregister_webhook
  • update_request

Network hosts it talks to 16

  • analytics.berkant.me · found in code
  • api.github.com · found in code
  • api.linear.app · found in code
  • api.stripe.com · found in code
  • attacker.test · found in code
  • billing.stripe.com · found in code
  • checkout.stripe.com · found in code
  • github.com · found in code
  • hosted.test · found in code
  • inboxes.openhook.test · found in code
  • openhook.dev · found in remote endpoint, install command, code
  • polar.sh · found in code
  • sandbox-api.polar.sh · found in code
  • sandbox.polar.sh · found in code
  • schemas.agentskills.io · found in code
  • sitemaps.org · found in code

Files it touches

  • Your home directory (~)

Tools (29)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • access_hosted_inboxAccess hosted inboxcan change or delete data

    Hosted only: issue a private inbox token for an inbox you own. Keep the returned token private.

  • check_for_callbacksCheck for new callbacksread-only

    Check for callbacks newer than a sequence cursor without waiting.

  • configure_webhookConfigure webhook inboxcan change or delete data

    Set HTTP responses and optional SHA256 HMAC verification, preserving unspecified fields.

  • create_webhookCreate webhook inboxcan change or delete data

    Create an inbox. Save its private token; share only public capture addresses. A hosted Pro account_key creates a persistent owned inbox.

  • delete_all_requestsDelete all captured eventscan change or delete data

    Clear stored events, keeping the inbox's addresses and settings.

  • delete_requestDelete captured eventcan change or delete data

    Permanently delete one event belonging to this inbox.

  • delete_webhookDelete webhook inboxcan change or delete data

    Permanently delete this inbox and its stored events.

  • download_request_fileDownload captured contentread-only

    Retrieve exact captured bytes as base64, including binary bodies or raw MIME.

  • export_webhook_dataExport captured eventsread-only

    Export a bounded page of full events; resume with next_since. Browser export streams the entire inbox.

  • extract_links_from_requestExtract captured linksread-only

    Extract HTTP links and verification codes without visiting the URLs.

  • generate_oob_payloadsGet out-of-band callback addressesread-only

    Read callback addresses for authorized out-of-band testing.

  • get_hosted_inboxesList hosted inboxesread-only

    Hosted only: list your persistent inboxes and usage using a private account agent key.

  • get_requestRead captured eventread-only

    Read a complete event; omit request_id to inspect the newest one.

  • get_webhook_activityRead inbox activityread-only

    Read durable receipt and mutation history with a cursor. Bodies and secrets are excluded.

  • get_webhook_emailGet inbox email addressread-only

    Read the email address, available when this deployment runs SMTP.

Show 14 more tools
  • get_webhook_infoInspect webhook inboxread-only

    Read addresses, expiry, response settings, and retained event count.

  • get_webhook_requestsList captured eventsread-only

    Read events with pagination or a durable sequence cursor.

  • register_github_webhookRegister GitHub webhookcan change or delete data

    Create a signed GitHub repository subscription and native inbox. Requires webhook-write permission.

  • register_linear_webhookRegister Linear webhookcan change or delete data

    Create a signed Linear subscription and native inbox. Requires admin scope; optional team filter.

  • register_stripe_webhookRegister Stripe webhookcan change or delete data

    Create a signed Stripe webhook endpoint and native inbox. Provider credentials are not stored.

  • respond_to_next_requestConfigure next callback responsecan change or delete data

    Respond to the next request using ?openhook_wait=1, within its 20-second response window.

  • rotate_webhook_tokenRotate inbox tokencan change or delete data

    Revoke the old private token and return a new one; capture addresses stay unchanged.

  • search_requestsSearch captured eventsread-only

    Search captured bodies, URLs, and headers for a literal substring.

  • send_requestsCreate test eventscan change or delete data

    Create up to ten marked test HTTP events in this inbox.

  • server_statusInspect server statusread-only

    Inspect native storage, retention, and enabled capture transports.

  • unregister_webhookUnregister provider webhookcan change or delete data

    Remove the registered provider subscription and permanently delete its native inbox and events.

  • update_requestAnnotate captured eventcan change or delete data

    Annotate an event without changing its original captured body.

  • wait_for_emailWait for emailread-only

    Wait for an email received by Openhook's SMTP listener.

  • wait_for_requestWait for a callbackread-only

    Wait up to 120 seconds; pass next_since when reconnecting to avoid missing events.

Signals

Stars
1
Forks
1
Open issues
0
Last commit
Oct 19, 2026 (9 days ago)
Last release
Oct 13, 2026 (15 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.openhook-dev/openhook-inbox
Version
0.1.0
Auth
Auth not stated
License
MIT
Repository
github.com/openhook-dev/openhook-inbox
Website
openhook.dev
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql
Cite this page

Openhook MCP server. Agent Mart. https://agentmart.dev/connectors/openhook-dev-openhook-inbox (last updated 2026-10-24)