slack-fast-mcp
by jeffmm
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| SLACK_MCP_CACHE_TTL | No | Cache TTL in seconds or duration string (1h, 30m, 3600s) | 3600 |
| SLACK_MCP_LOG_LEVEL | No | Log level (debug, info, warning, error) | info |
| SLACK_MCP_XOXB_TOKEN | No | Bot OAuth token (priority 2) | |
| SLACK_MCP_XOXC_TOKEN | No | Browser session token (priority 3, requires XOXD too) | |
| SLACK_MCP_XOXD_TOKEN | No | Browser d cookie value (priority 3, requires XOXC too) | |
| SLACK_MCP_XOXP_TOKEN | No | User OAuth token (priority 1) | |
| SLACK_MCP_USERS_CACHE | No | Path to persistent users cache file | |
| SLACK_MCP_REACTION_TOOL | No | Enable reaction tools (true/1 for all, comma-separated channel IDs for allowlist, !-prefixed channel IDs for blocklist) | |
| SLACK_MCP_CHANNELS_CACHE | No | Path to persistent channels cache file | |
| SLACK_MCP_ATTACHMENT_TOOL | No | Enable attachment download tool (true/1 for all, comma-separated channel IDs for allowlist, !-prefixed channel IDs for blocklist) | |
| SLACK_MCP_ADD_MESSAGE_MARK | No | Mark channel as read when sending a message (true/false) | false |
| SLACK_MCP_ADD_MESSAGE_TOOL | No | Enable message posting tool (true/1 for all, comma-separated channel IDs for allowlist, !-prefixed channel IDs for blocklist) | |
| SLACK_MCP_ADD_MESSAGE_UNFURLING | No | Control link unfurling in sent messages |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
This server cannot be deployed
Maintenance
ActivityInactive
ResponsivenessNo issues