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Connect the Slack API

Integrate the Slack API through Modiva’s unified REST API and hosted MCP server. Send, edit and delete messages, browse channels and history, look up members and react across your Slack workspace. OAuth, token refresh, rate limits and 10 typed tools are handled for you — connect once and call Slack from any agent or app through a single endpoint.

Connect Slack — get MCP keyRead the docs

What you can do with the Slack API

  • Messages
  • Channels & history
  • Members
  • Token expiry
  • Webhooks

Slack MCP tools & scopes

accounts_
get · workspace identity
channels_
list · history · join
messages_
send · update · delete
users_
list · get
reactions_
add

OAuth scopes requested

  • Read your workspace identity
  • Send, edit and delete messages as the bot
  • Read channels and their history
  • Read workspace members
  • Add reactions

Connect Slack in your agent

# Add Modiva's MCP server to your agent
{
  "mcpServers": {
    "modiva": {
      "url": "https://mcp.modiva.ai",
      "headers": { "Authorization": "Bearer $MODIVA_MCP_KEY" }
    }
  }
}

# Then connect Slack and call its tools, e.g.
accounts_list(provider="slack")

Frequently asked questions

How do I connect the Slack API with Modiva?

Create a Modiva account, generate an MCP key, and connect Slack from your dashboard. Modiva runs the full OAuth flow and stores the encrypted token for you — no client secrets in your code.

What can I do with the Slack API through Modiva?

Send, edit and delete messages, browse channels and history, look up members and react across your Slack workspace. You get 10 typed tools grouped by resource (accounts_, channels_, messages_, users_, reactions_), callable over REST or the MCP server.

Do I need to handle OAuth or token refresh myself?

No. Modiva handles the Slack OAuth handshake, token storage (envelope-encrypted) and automatic refresh. You call a single unified endpoint.

Can an AI agent use the Slack API?

Yes — that is the point. Modiva exposes Slack as Model Context Protocol (MCP) tools, so agents like Claude, Cursor or your own app can read and act on Slack through one endpoint.

Slack playbooks & guides

Free, step-by-step playbooks on growing with Slack — what works, plus how to run it with Modiva.

How to Automate Slack Notifications From Your Stack With AI Agents

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