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Dev.to
Dev.to
6/16/2026
Building an autonomous Slack agent with OpenCode

Building an autonomous Slack agent with OpenCode

Short summary

Pipa is a Slack-native autonomous agent using OpenCode (reasoning), Inngest (scheduling), E2B (execution), and Composio (integrations). The architecture separates concerns: Slack for interface, OpenCode for agent logic, E2B sandboxes for execution, and Inngest for orchestrating triggers and retries. This pattern powers real systems at Duolingo (180+ MCP tools), Shopify (River), and Mintlify (docs agent).

  • Slack-native autonomous agent combining OpenCode, Inngest, E2B sandbox, and Composio integrations
  • Architecture separates interface (Slack), reasoning (OpenCode), execution (E2B), and orchestration (Inngest)
  • Production adoption by Duolingo, Shopify, and Mintlify validates the pattern for agent autonomy

Generated with AI, which can make mistakes.

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