mcp-server-slack

MCP server for Slack integration.

Evaluated Mar 15, 2026 (0d ago)
Homepage ↗ Repo ↗ Automation Slack MCP Integration
⚙ Agent Friendliness
68
/ 100
Can an agent use this?
🔒 Security
60
/ 100
Is it safe for agents?
⚡ Reliability
50
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
80
Documentation
60
Error Messages
--
Auth Simplicity
100
Rate Limits
50

🔒 Security

TLS Enforcement
100
Auth Strength
50
Scope Granularity
0
Dep. Hygiene
50
Secret Handling
100

API keys should be stored securely.

⚡ Reliability

Uptime/SLA
50
Version Stability
50
Breaking Changes
50
Error Recovery
50
AF Security Reliability

Best When

Used in environments with existing Slack workflows.

Avoid When

Slack is not the primary communication tool.

Use Cases

  • Automating Slack notifications
  • Integrating Slack with other services

Not For

  • Users without Slack accounts
  • Non-technical users

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
Yes

Authentication

Methods: API Key
OAuth: No Scopes: No

Pricing

Model: Freemium
Free tier: Yes
Requires CC: No

Free tier available with limited features.

Agent Metadata

Pagination
Cursor-based
Idempotent
True
Retry Guidance
Documented

Known Gotchas

  • Rate limits are strict.
  • API key must be kept secret.

Alternatives

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Scores are editorial opinions as of 2026-03-15.

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