slackdump: Save or export your private and public Slack messages, threads, files, and users locally without admin

by rusq · MCP Server · ★ 2.8k

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install slackdump

brew install slackdump

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 67/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

archivebackupchannelsdumpdumpermattermostmattermost-appmcp-servermigration-toolslack

Quick Facts

Stars2,846
Forks175
LanguageGo
CategoryMCP Server
LicenseAGPL-3.0
Quality Score67/100
Open Issues16
Last Updated2026-11-02
Created2021-10-31
Platformsgo, mcp
Est. Tokens~18k

About slackdump

Slack Dumper Purpose: archive your private and public Slack messages, users, channels, files and emojis. Generate Slack Export without admin privileges. Quick links: Installation And Quickstart Join the discussion in Telegram. Buy me a cup of tea, or use GitHub Sponsors button on the top of the page.

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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