Merge pull request #33 from korotovsky/channels-list-slack-enterprise

Add logic to improve fetching channels list on slack workspaces with enterprise setting

Author: korotovsky

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23 AS build
+FROM golang:1.24 AS build
 
 ENV CGO_ENABLED=0
 ENV GOTOOLCHAIN=local
@@ -21,7 +21,7 @@ RUN --mount=type=cache,target=/go/pkg/mod \
 FROM build AS dev
 
 RUN --mount=type=cache,target=/go/pkg/mod \
-    go install github.com/go-delve/delve/cmd/dlv@v1.23.1 && cp /go/bin/dlv /dlv
+    go install github.com/go-delve/delve/cmd/dlv@v1.25.0 && cp /go/bin/dlv /dlv
 
 WORKDIR /app/mcp-server
 

README.md

@@ -28,7 +28,7 @@ This feature-rich Slack MCP Server has:
 1. `conversations_history`
   - Get messages from the channel by channelID
   - Required inputs:
-    - `channel_id` (string): ID of the channel in format Cxxxxxxxxxx or its name starting with #... aka #general.
+    - `channel_id` (string): ID of the channel in format Cxxxxxxxxxx or its name starting with #... or @... aka #general or @username_dm.
     - `include_activity_messages` (bool, default: false): If true, the response will include activity messages such as 'channel_join' or 'channel_leave'. Default is boolean false.
     - `cursor` (string, default: ""): Cursor for pagination. Use the value of the last row and column in the response as next_cursor field returned from the previous request.
     - `limit` (string, default: 28): Limit of messages to fetch.
@@ -37,7 +37,7 @@ This feature-rich Slack MCP Server has:
 2. `conversations_replies`
   - Get a thread of messages posted to a conversation by channelID and thread_ts
   - Required inputs:
-    - `channel_id` (string): ID of the channel in format Cxxxxxxxxxx or its name starting with #... aka #general.
+    - `channel_id` (string): ID of the channel in format Cxxxxxxxxxx or its name starting with #... or @... aka #general or @username_dm.
     - `thread_ts` (string): Unique identifier of either a thread’s parent message or a message in the thread. ts must be the timestamp in format 1234567890.123456 of an existing message with 0 or more replies.
     - `include_activity_messages` (bool, default: false): If true, the response will include activity messages such as 'channel_join' or 'channel_leave'. Default is boolean false.
     - `cursor` (string, default: ""): Cursor for pagination. Use the value of the last row and column in the response as next_cursor field returned from the previous request.

cmd/slack-mcp-server/main.go

@@ -26,8 +26,10 @@ func main() {
 		p,
 	)
 
-	go newUsersWatcher(p)()
-	go newChannelsWatcher(p)()
+	go func() {
+		newUsersWatcher(p)()
+		newChannelsWatcher(p)()
+	}()
 
 	switch transport {
 	case "stdio":

docker-compose.dev.yml

@@ -4,7 +4,7 @@ services:
         context: .
         target: dev
         dockerfile: Dockerfile
-    # command: /dlv debug /app/cmd/slack-mcp-server/main.go --headless --listen=:40000 --api-version=2 --log -- --transport sse
+    command: /dlv debug /app/cmd/slack-mcp-server/main.go --accept-multiclient --headless --listen=:40000 --api-version=2 --log -- --transport sse
     restart: unless-stopped
     networks:
       - app-tier
@@ -14,8 +14,8 @@ services:
     # Optional: Uncomment to mount the CA certificate if you need to trust a custom CA
     # Don't forget to set SLACK_MCP_SERVER_CA=/usr/local/share/ca-certificates/ca.crt
     #
-    # volumes:
-    #   - ./ca-cert.crt:/usr/local/share/ca-certificates/ca.crt
+    volumes:
+      - ./ca-cert.crt:/usr/local/share/ca-certificates/ca.crt
     #   - ./.users_cache.json:/app/mcp-server/.users_cache.json
     env_file:
       - .env
@@ -24,8 +24,8 @@ services:
       SLACK_MCP_PORT: "3001"
     # Uncomment if you use HTTP Toolkit with proxy on 127.0.0.1:8000
     # on your host, otherwise leave it commented.
-    # extra_hosts:
-    #  - "host.docker.internal:host-gateway"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
 
 networks:
   app-tier:

go.mod

@@ -1,20 +1,70 @@
 module github.com/korotovsky/slack-mcp-server
 
-go 1.23.0
+go 1.24.0
 
-toolchain go1.23.5
+toolchain go1.24.4
 
 require (
-	github.com/bbalet/stopwords v1.0.0
 	github.com/gocarina/gocsv v0.0.0-20240520201108-78e41c74b4b1
+	github.com/google/uuid v1.6.0
 	github.com/mark3labs/mcp-go v0.31.0
+	github.com/rusq/slack v0.9.6-0.20250408103104-dd80d1b6337f
+	github.com/rusq/slackauth v0.6.1
+	github.com/rusq/slackdump/v3 v3.1.6
+	github.com/rusq/tagops v0.1.1
 	github.com/slack-go/slack v0.16.0
+	golang.org/x/sync v0.14.0
+	golang.org/x/time v0.12.0
 )
 
 require (
-	github.com/google/uuid v1.6.0 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/MercuryEngineering/CookieMonster v0.0.0-20180304172713-1584578b3403 // indirect
+	github.com/atotto/clipboard v0.1.4 // indirect
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/catppuccin/go v0.3.0 // indirect
+	github.com/charmbracelet/bubbles v0.21.0 // indirect
+	github.com/charmbracelet/bubbletea v1.3.5 // indirect
+	github.com/charmbracelet/colorprofile v0.3.1 // indirect
+	github.com/charmbracelet/huh v0.7.0 // indirect
+	github.com/charmbracelet/huh/spinner v0.0.0-20250519092748-d6f1597485e0 // indirect
+	github.com/charmbracelet/lipgloss v1.1.0 // indirect
+	github.com/charmbracelet/x/ansi v0.9.2 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.13 // indirect
+	github.com/charmbracelet/x/exp/strings v0.0.0-20250520193441-8304e91a28cb // indirect
+	github.com/charmbracelet/x/term v0.2.1 // indirect
+	github.com/deckarep/golang-set/v2 v2.8.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
+	github.com/fatih/color v1.18.0 // indirect
+	github.com/go-jose/go-jose/v3 v3.0.4 // indirect
+	github.com/go-rod/rod v0.116.2 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/joho/godotenv v1.5.1 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-localereader v0.0.1 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
+	github.com/playwright-community/playwright-go v0.5200.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/rogpeppe/go-internal v1.14.1 // indirect
+	github.com/rusq/chttp v1.1.0 // indirect
+	github.com/rusq/fsadapter v1.1.0 // indirect
 	github.com/spf13/cast v1.7.1 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
-	golang.org/x/text v0.24.0 // indirect
+	github.com/ysmood/fetchup v0.3.0 // indirect
+	github.com/ysmood/goob v0.4.0 // indirect
+	github.com/ysmood/got v0.40.0 // indirect
+	github.com/ysmood/gson v0.7.3 // indirect
+	github.com/ysmood/leakless v0.9.0 // indirect
+	golang.org/x/net v0.40.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/term v0.32.0 // indirect
+	golang.org/x/text v0.25.0 // indirect
 )