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MCP server · Blockchain

Slack Stdio

by · github.com/epdlr/slack-stdio-mcp

Agent-agnostic MCP stdio bridge to https://mcp.slack.com/mcp (user OAuth, PKCE, token refresh, tool proxy, local file download overlay)

Unclaimed mcpslackstdiomodel-context-protocoloauthpkce
InstallView source
37Low

Scored a month ago · breakdown

About Slack Stdio

Slack Stdio is an MCP server published by epdlr in the Blockchain category: agent-agnostic MCP stdio bridge to https://mcp.slack.com/mcp (user OAuth, PKCE, token refresh, tool proxy, local file download overlay).

Recent commit activity is the strongest signal that reported issues will get attention.

Install

Claude Code
claude mcp add slack-stdio -- npx -y slack-stdio-mcp
npx
npx -y slack-stdio-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

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Releases

v1.3.0v1.3.0 · 25 Aug 2026Added `slack_stdio_update_message` — edit a message the user posted (`chat.update`) `slack_stdio_delete_message` — delete a message the user posted (`chat.delete`) `slack_stdio_remove_reaction` — remove a reaction the user added…
v1.2.0v1.2.0 · 25 Aug 2026Added `slack_stdio_download_file` — download a Slack `file_id` to disk (50 MB cap). Hosted `slack_read_file` often returns metadata-only for video. `slack_stdio_catalog` — local overlay names vs the current `mcp.slack.com` catalog. The…
Questions

About Slack Stdio

How do I install Slack Stdio?

Run claude mcp add slack-stdio -- npx -y slack-stdio-mcp, then add the server to your MCP client's configuration.

Is Slack Stdio safe to use with an AI agent?

Its trust score is 37 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Slack Stdio still maintained?

Yes — the latest release is v1.3.0 (25 Aug 2026), and the last commit was a month ago. The repository has 0 stars.