Slack (Zencoder)
Slack MCP server for channel management and messaging over stdio and Streamable HTTP.
🛡️ AgentReady threat assessment
MAESTRO 7-layer threat model + OWASP AIVSS risk score for Slack (Zencoder), derived from its capabilities.
These scores are auto-generated from public information (the agent's own listing, docs, and repository) using the canonical OWASP AIVSS formula and the MAESTRO framework — an estimate for guidance, not a penetration test, audit, or certification. See the scoring methodology. Are you the vendor? Factual corrections are free.
Overview
Maintained by Zencoder (extending Anthropic's now-archived reference), this MCP server provides Slack channel management and messaging with stdio and Streamable HTTP transports. Backed by a Slack bot/user token; message history is untrusted content and posting is a real side effect.
Key features
- Read and post messages
- Channel management
- stdio and HTTP transports
Use cases
- Summarize channel activity
- Post updates to Slack