search_messages

MCP tool from Cross Claude MCP by rblank9

Search message content across all channels

How to use it

Project documentation lists search_messages for the Cross Claude MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), then check which tools your installed version makes available. Tool availability can depend on configuration and credentials. A server handshake does not verify this tool’s behavior. See the full listing for setup details.

FULL CROSS CLAUDE MCP LISTING

Other tools in Cross Claude MCP (12)

check_messages

Read messages from a channel (supports polling via afterid)

create_channel

Create a named channel (normalizes name, warns if similar channels exist)

find_channel

Search for channels by keyword (matches names and descriptions)

get_replies

Get all replies to a specific message

get_shared_data

Retrieve shared data by key

list_channels

List all channels with activity stats (message count, last activity, participants)

list_instances

See who's registered

list_shared_data

List all shared data keys with sizes and descriptions

register

Register this instance — response shows active channels and online instances, plus next steps

send_message

Post a message to a channel (check listchannels first — don't default to general)

share_data

Store large data (tables, plans, analysis) for other instances to retrieve by key

wait_for_reply

Poll until a reply arrives or timeout (used for async collaboration)