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Knock MCP Server
Knock's hosted MCP server for building workflows and managing notification data in a Knock account
Official · knock.app Remote (hosted) · Streamable HTTP CommunicationDeveloper tools
Connect your client
Remote (hosted)
Add in one click
Opens the app, which asks before it adds the server.
Or add it by command or config
Claude Codeterminal; then run /mcp in Claude Code to sign in
claude mcp add --transport http knock https://mcp.knock.app/mcpClaude (desktop and web)Community connector in Claude's connectors directory
https://mcp.knock.app/mcpCursormcp.json, under the mcpServers key
{
"knock": {
"url": "https://mcp.knock.app/mcp",
"name": "Knock MCP Server"
}
}fxinside an interactive fx session; then run /mcp auth knock --open
/mcp add --transport http knock https://mcp.knock.app/mcpSettings 1
KNOCK_SERVICE_TOKEN |
Optional: Optional Knock service token sent as 'Authorization: Bearer' for headless clients; skips OAuth and enables all capabilities. |
|---|
What it does
Knock is a notification platform: you define workflows that send email, SMS, push, chat and in-app messages to your users. This is Knock's own MCP server, run by Knock at mcp.knock.app/mcp, so there is nothing to install. An assistant connected to it can list and inspect workflows, templates, layouts, partials, guides and environments, build or edit workflows and their steps, trigger a workflow to test an integration, manage users, tenants and objects, read message delivery logs, and search Knock's documentation.
Access is split into capabilities chosen on the OAuth consent screen. Read resources, Manage resources and the Knock agent (the same conversational agent found in the Knock dashboard) are on by default; Debug (environments and message logs), Manage data (users, tenants, objects) and Documentation are off until you tick them. Signing in with a service token instead skips that screen and turns every capability on.
The server is built on the Knock Agent Toolkit, and its docs point to the toolkit's tools reference for the tool list. Its protected-resource metadata names mcp.knock.app itself as the authorization server and accepts bearer tokens in the Authorization header only (https://mcp.knock.app/.well-known/oauth-protected-resource).
What it needs
A Knock account. Interactive clients sign in to it through OAuth in the browser. Headless use (CI, unattended agents) needs a Knock service token (knock_st_...) created under Settings > Service tokens in the dashboard. In Claude Code, run /mcp after adding the server to complete sign-in; in Cursor, sign in when prompted.
Limits
No tool deletes anything; Knock says this is on purpose. Workflows are not exposed as their own tools unless you opt in through Knock or your client. With every capability on the tool list can pass 50, which some clients warn about. It works only against the Knock API: local scaffolding, validation before push and offline work need the Knock CLI. Its docs note Cursor errors when the model is left on automatic selection; pick a model such as claude-sonnet-4.
Who it suits
Suits teams already on Knock who want an assistant to draft workflows, seed test users and tenants, trigger test sends or look into why a message did not arrive, without running anything locally. Because it is hosted and acts on your live account through the Management API, writes are real changes; keep the default capabilities narrow for exploration. For work on a checked-in repository of Knock resources, or offline, Knock points to its CLI instead. It is of no use without a Knock account.
Tools 46
listChannels- Lists the channels set up in the account
listCommits- Lists commits in one environment
commitAllChanges- Commits all pending changes in an environment
promoteAllCommits- Promotes commits from one environment to another
searchDocumentation- Searches the Knock documentation
listEmailLayouts- Lists email layouts in an environment
getEmailLayout- Fetches one email layout by key
createOrUpdateEmailLayout- Creates or changes an email layout
listEnvironments- Lists the environments in the account
listGuides- Lists in-app guides in an environment
getGuide- Fetches one guide by key
createOrUpdateGuide- Creates or changes a guide
listMessageTypes- Lists message types in an environment
createOrUpdateMessageType- Creates or changes a message type
getMessage- Fetches one sent message by ID
getMessageContent- Returns the rendered content of a sent message
getMessageDeliveryLogs- Returns provider delivery logs for a message
getMessageEvents- Returns the event timeline of a message
listObjects- Lists objects in a collection
getObject- Fetches one object from a collection
createOrUpdateObject- Creates or changes an object in a collection
subscribeUsersToObject- Adds users as subscribers to an object
unsubscribeUsersFromObject- Removes user subscriptions from an object
listPartials- Lists template partials in an environment
getPartial- Fetches one partial by key
createOrUpdatePartial- Creates or changes a partial
listTenants- Lists tenants in an environment
getTenant- Fetches one tenant by key
createOrUpdateTenant- Creates or changes a tenant
getUser- Fetches one user by ID
createOrUpdateUser- Creates or changes a user (identify)
getUserPreferences- Reads a user's notification preferences
setUserPreferences- Sets a user's notification preferences
getUserMessages- Lists messages sent to a user
listWorkflows- Lists workflows in an environment
getWorkflow- Fetches one workflow by key
triggerWorkflow- Runs a workflow for given recipients and data
createWorkflow- Creates a new workflow
createOneOffWorkflowSchedule- Schedules a single future workflow run for a user
createOrUpdateEmailStepInWorkflow- Adds or edits an email step in a workflow
createOrUpdateDelayStepInWorkflow- Adds or edits a delay step
createOrUpdateBatchStepInWorkflow- Adds or edits a batch step
createOrUpdateInAppFeedStepInWorkflow- Adds or edits an in-app feed step
createOrUpdatePushStepInWorkflow- Adds or edits a push step
createOrUpdateSmsStepInWorkflow- Adds or edits an SMS step
createOrUpdateChatStepInWorkflow- Adds or edits a chat step