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Slack & Teams · post_slack_message

Post to Slack

Post a message in a company Slack channel.

Price
included
Requirements
Slack or Slack (bot)
set it up in Settings → Integrations
Human approval
Yes, by default
outside-facing write: a human validates

Input

FieldTypeDescription
messagesarrayBatch post: the FULL list of Slack messages to post in one call (preferred whenever there is more than one). Each item takes the same fields as a single message. When provided, the top-level single-message fields are ignored.
message *stringThe message text to post (Slack markdown supported)
channelstringTarget channel (e.g. #support). Defaults to the configured channel.

Call this tool

Through the HTTP API, or from the MCP server with the run meta-tool.

curl https://api.ezyagents.fr/gateway/v1/run \
  -H "Authorization: Bearer ezk_…" -H "Content-Type: application/json" \
  -d '{"tool":"post_slack_message","input":{"messages":[],"message":"…","channel":"…"}}'
$run({ "tool": "post_slack_message", "input": {"messages":[],"message":"…","channel":"…"} })