// MCP TOOL REFERENCE

LIVEBLOCKS TOOLS

39 tools from the Liveblocks MCP Server, categorised by risk level.

// ALL 39 LIVEBLOCKS TOOLS

READ 15 tools

Read get-active-users Get a Liveblocks room Read get-comment Get a Liveblocks comment Read get-inbox-notification Get a Liveblocks inbox notification Read get-inbox-notifications Get recent Liveblocks inbox notifications Read get-notification-settings Get a Liveblocks notification settings Read get-room Get a Liveblocks room Read get-room-subscription-settings Get a Liveblocks room Read get-rooms Get recent Liveblocks rooms Read get-storage-document Get a Liveblocks storage document Read get-thread Get a Liveblocks thread Read get-thread-participants Get a Liveblocks thread Read get-thread-subscriptions Get a Liveblocks thread Read get-threads Get recent Liveblocks threads Read get-user-room-subscription-settings Get a user Read get-yjs-document Get a Liveblocks Yjs text document

WRITE 15 tools

Write trigger-inbox-notification Create a custom Liveblocks inbox notification Write subscribe-to-thread Subscribe to a Liveblocks thread Write unsubscribe-from-thread Unsubscribe from a Liveblocks thread Write add-comment-reaction Add a reaction to a Liveblocks comment Write create-comment Create a Liveblocks comment. Always ask for a userId. Write create-room Create a Liveblocks room Write create-thread Create a Liveblocks thread. Always ask for a userId. Write edit-comment Edit a Liveblocks comment Write edit-thread-metadata Edit a Liveblocks thread Write mark-thread-as-resolved Mark a Liveblocks thread as resolved Write mark-thread-as-unresolved Mark a Liveblocks thread as unresolved Write update-notification-settings Update Liveblocks notification settings Write update-room Update a Liveblocks room Write update-room-id Update a Liveblocks room Write update-room-subscription-settings Update a Liveblocks room

DESTRUCTIVE 8 tools

Destructive delete-all-inbox-notifications Delete all Liveblocks inbox notifications Destructive delete-comment Delete a Liveblocks comment Destructive delete-inbox-notification Delete a Liveblocks inbox notification Destructive delete-notification-settings Delete Liveblocks notification settings Destructive delete-room Delete a Liveblocks room Destructive delete-room-subscription-settings Delete a Liveblocks room Destructive delete-thread Delete a Liveblocks thread Destructive remove-comment-reaction Remove a reaction from a Liveblocks comment

EXECUTE 1 tools

Execute broadcast-event Broadcast an event to a Liveblocks room

// FAQ

How many tools does the Liveblocks MCP server have? +

The Liveblocks MCP server exposes 39 tools across 4 categories: Read, Write, Destructive, Execute.

How do I enforce policies on Liveblocks tools? +

Route the Liveblocks server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Liveblocks tools fall into? +

Liveblocks tools are categorised as Read (15), Write (15), Destructive (8), Execute (1). Each category has a recommended default policy.

Enforce policy on every Liveblocks tool call.

Start from Liveblocks, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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