korotovsky/slack-mcp-server
slack-mcp-server is hosted online, so all tools can be tested directly either in theInspector tabor in theOnline Client.
If you are the rightful owner of slack-mcp-server and would like to certify it and/or have it hosted online, please leave a comment on the right or send an email to henry@mcphub.com.
The Slack MCP Server is a Model Context Protocol server designed for Slack Workspaces, supporting Stdio and SSE transports without requiring permissions or bot creation.
Try slack-mcp-server with chat:
Has a README
Github repo has a README.md.
Has a License
Github repo has license info.
Server can be inspected
View server inspector
Server schema can be extracted
Can get at lease one tool info from the README or server.
Online hosted on MCPHub
Can be automatically deployed by MCPHub.
Has social accounts
Do not have any social accounts.
Claimed by the author or certified by MCPHub
If you are the author, claim authorship
AI Evaluation ReportTotal Score: 4/10
The agent demonstrates a significant limitation in handling tasks due to issues with channel recognition and cache synchronization. In multiple instances, the agent failed to retrieve or interact with specified channels, resulting in invalid input errors. This suggests a potential problem with the agent's ability to access or update the channel cache, which is critical for performing its functions effectively. While the agent successfully listed public channels, the sorting by popularity was not executed correctly, indicating a flaw in the implementation. Overall, the agent's performance is hindered by its inability to validate and interact with channels, which is a fundamental aspect of its intended capabilities.
Test case 1
Score: 6/10Perform the operation of retrieving the last 10 messages from the '#general' channel in Slack.No valid answer is generated due to invalid input. The channel "#general" was not found in the synced cache, indicating an invalid state in the target object. Please try removing the old cache file and restarting the MCP Server to resolve this issue.
Test case 2
Score: 6/10Perform the operation of searching for messages containing the keyword 'project update' in the '#team-projects' channel on Slack, filtering for messages sent after October 1, 2023, and limit the results to 20 messages.No valid answer is generated due to invalid input. The channel "#team-projects" was not found. Please verify the channel name and try again.
Test case 3
Score: 5/10Perform the operation of listing all public channels in the Slack workspace, sorted by popularity, and limit the results to 50 channels.Here is the response to the input task: I retrieved a list of public channels sorted by popularity. Here are the details for the top channels:
ID Name Topic Purpose Member Count C094LPE7N4A #all-mcpreviewer Share announcements and updates about company news, upcoming events, or teammates deserving recognition. 5 C094LPE7ND8 #social Other channels are for work. This channel is for fun. Get to know your teammates and show your relaxed side. 5 C094LPLCN2E #new-channel This channel is for everything related to <#C094LPLCN2E > Meet with your team, share documents, and make decisions together. C095LJ55F50 #mcp-reviewer 5 Test case 4
Score: 6/10Perform the operation of retrieving all replies to a specific thread in the '#development' channel on Slack. Use the thread timestamp '1623847200.000200' to identify the thread, and limit the results to 15 replies.No valid answer is generated due to invalid input. The channel "#development" is not found in the synced cache. Please try to remove the old cache file and restart the MCP Server.
Test case 5
Score: 6/10Perform the operation of posting a message to the '#announcements' channel in Slack with the content 'Team meeting scheduled for Monday at 10 AM.'.No valid answer is generated due to invalid input. The channel "#announcements" was not found, which suggests it may not exist or the name provided is incorrect. Please check if the channel name is correct or if it exists.
