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Toolofficial publisher

Outils Slack

Tool : A precise action the AI can call · requires composio

Read channels and post messages.

Useful, limit it to the necessary channels.

Overall score
6.7 /10
Security: one caveat, see the card
Utility
7.0
Reliability
6.0
Security
One caveat
Ease
5 min · Comfortable

Security reflects where data goes, requested permissions and incidents on record at the verification date. It is not a guarantee of zero risk: check the deployment mode and the connections you enable.

What it does, concretely

Composio's Slack tools allow an AI agent to read channels and post messages without manually handling authentication or API calls. The problem they solve is straightforward: connecting an agent to Slack in a secure and repeatable way.

In practice, the agent uses functions such as SLACK_SEND_MESSAGE to send a message to a given channel, or reads content from existing channels. OAuth authentication is handled by Composio, which automatically refreshes tokens for each connected user.

These tools are aimed at developers building AI agents with frameworks like OpenAI, Anthropic, or Vercel AI SDK, who want their agents to interact with Slack as part of an automated workflow.

However, if you are looking for a no-code Slack integration or a simple ready-to-use bot, these tools are not the right fit: they require a development environment and technical configuration.

What it offers

  • ·Reading Slack channels from an AI agent.
  • ·Sending messages to a Slack channel via the SLACK_SEND_MESSAGE function.
  • ·OAuth authentication automatically managed by Composio, with token refresh.
  • ·Access scope limited per connected user, to isolate permissions.
  • ·Compatibility with major frameworks: OpenAI, Anthropic, Vercel AI SDK.
  • ·Access via MCP (hosted endpoint) or SDK depending on the development environment.
  • ·Ability to trigger Slack actions in response to events from other connected applications.

In practice

Price
Freemium
Commercial use
Commercial use: yes
Available on
mcp, sdk
Host
composio
FR interface
No

Security and data

Rating
Security: one caveat, see the card
Capabilities
readswritesexecutesnetwork
Your data
Data with third parties
Maintenance
Active

Links and repository checked on 25 October 2026 · added on 1 January 2024

How to install Outils Slack

1. Create an account on Composio (composio.dev) and access the dashboard. 2. Connect your Slack workspace via the OAuth flow provided in the dashboard. 3. Restrict the authorised channels to the strict minimum before confirming the connection. 4. Integrate the Slack tools into your agent via the Composio SDK or the hosted MCP endpoint. 5. Test sending a message to a test channel using the SLACK_SEND_MESSAGE function before going to production.
toolkit Slack

Official documentation ↗

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