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Agent skill

Slackdump Source

by rusq in rusq/slackdump

Explains the different Slackdump sources structure. An agent skill from rusq/slackdump.

AGPL-3.0Auto-check passed

Install Slackdump Source

skills CLI
$ npx skills add rusq/slackdump --skill slackdump-source -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install rusq/slackdump slackdump-source --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/rusq/slackdump.git skills-src && mkdir -p .claude/skills && cp -r skills-src/cmd/slackdump/internal/mcp/assets/skills/slackdump-source .claude/skills/slackdump-source && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
slackdump-source
GitHub stars
2.8k
Token cost
~876 tokens
SKILL.md length
422 words
Files
1
Skills in repo
4
Repo updated
First seen
Licence
AGPL-3.0

At a glance

Explains the different Slackdump sources structure. An agent skill from rusq/slackdump.

  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Slackdump Source is an agent skill from rusq/slackdump. Explains the different Slackdump sources structure.

Its SKILL.md is about 880 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It works with Slack. The repository describes itself as: Save or export your private and public Slack messages, threads, files, and users locally without admin privileges. The licence is AGPL-3.0.

Example prompts

  • “Use the slackdump-source skill to explain the different Slackdump sources structure. An agent skill from rusq/slackdump”
  • “/slackdump-source”

What it can do on your machine

Read from SKILL.md and the folder at commit 88e7c22. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • slack.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Slackdump Source loads about 876 tokens when it runs. Until then it costs about 17 tokens; SKILL.md has 422 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~17
When it runs · the whole SKILL.md, loaded when a task matches
~876

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from rusq/slackdump at commit 88e7c22, republished under its AGPL-3.0 licence (© rusq). 422 words, ~876 tokens.

Download SKILL.mdSave it as .claude/skills/slackdump-source/SKILL.md (or your agent's skills folder).
name
slackdump-source
description
Explains the different Slackdump sources structure.
metadata.audience
general
metadata.workflow
source
Notes about source structure
Directory with database

Databases were introduced in Slackdump version 3.1.

Slackdump directory with database contains:

  • an Sqlite3 database with the Slack workspace data, it is usually in the file slackdump.sqlite, unless renamed by the user afterwards.
  • an optional __uploads directory with the files uploaded to the Slack workspace;
  • an optional __avatars directory.

Fetch the current archive command documentation that contains the database and directory structure description.

Standalone database

A user may choose to access just the slackdump database file. In this case there will be no uploads or avatars, but the structure stays the same.

Chunk directory

Chunk directory preceded database archive format, and were introduced in version 3.0 to address the shortcomings of export and dump formats, such as:

  • high memory consumption during data aggregation
  • inability to extend, for example, it would not be possible to store search results in these formats.

Chunk directory contains:

  • a set of *.json.gz files.

The format and structure are described in the chunk documentation

Dump directory

Dump is the initial format of Slackdump since version 1.0.

It WILL contain one or more of the following files:

  • /[CHANNEL_ID].json - messages from the conversation CHANNEL_ID.

It MIGHT contain additional metadata:

  • /[CHANNEL_ID]/* - attachments from messages in conversation CHANNEL_ID. Each file is named: [FILE_ID]-[original filename].[original extension]
  • /channels.json - raw combined output of the payload from channels.list calls (all channels in the dump)
  • /users.json - raw combined output of the payload from users.list API calls (all users)
  • /workspace.json - workspace information.
Show full SKILL.md (182 more words)Show less
Export directory

Export is a reproduction of the native Slack export format with a file storage extension, described in File storage types section below. Introduced in version 2.0.

JSON structure in the ZIP/directory follows the Slack native format exactly, but some newer features may be missing.

For the JSON structure see Official slack Export description.

Export ZIP file and Dump ZIP file

The structure is exactly the same as Dump or Export directory, but instead of a directory is uses a ZIP file as a container.

File storage types

Native Slack exports are not supposed to store file attachments. Slackdump works around this by adding files to the export, and they can be stored in two different layouts (types):

  • Standard: this is Slackdump's legacy storage format, introduced in version 2.0 Files are stored in the /[CHANNEL_ID]/attachments/ directory and have the same naming as Dump Attachments.
  • Mattermost: the "Mattermost" compatible storage format. All attachments from all channels are stored in the /__uploads/* directory in the root of the directory. Full format is the following:
    /__uploads/[FILE_ID]/[original filename].[original extension]

© rusq, AGPL-3.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in cmd/slackdump/internal/mcp/assets/skills/slackdump-source of rusq/slackdump.

Open the folder on GitHubat commit 88e7c22

Compare with similar skills

Slackdump Source next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Slackdump Source compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Slackdump Source this skillrusq/slackdump2.8k—~876Automated safety check: PassAGPL-3.0
Agent Browser CLIvercel-labs/agent-browser44k24 repos~864Automated safety check: PassApache-2.0
Slack GIF Creatoranthropics/skills180k28 repos~2kAutomated safety check: PassApache-2.0
Code Design Rationale Investigatorcursor/plugins10k9 repos~2.6kAutomated safety check: PassNone
Electron App Automationvercel-labs/agent-browser44k5 repos~1.7kAutomated safety check: PassApache-2.0
Slack Browser Automationvercel-labs/agent-browser44k1 repos~2.1kAutomated safety check: PassApache-2.0

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  • Slackdump Sqlite3

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Works with

Questions about Slackdump Source

What does Slackdump Source do?

Explains the different Slackdump sources structure. An agent skill from rusq/slackdump. Slackdump Source is an agent skill from rusq/slackdump. Explains the different Slackdump sources structure.

How do I install Slackdump Source in Claude Code?

Run `npx skills add rusq/slackdump --skill slackdump-source -a claude-code`. Or copy the skill folder (cmd/slackdump/internal/mcp/assets/skills/slackdump-source in rusq/slackdump) into .claude/skills/slackdump-source in your project. Claude Code loads it when a task matches its description.

How do I install Slackdump Source in Codex?

Run `npx skills add rusq/slackdump --skill slackdump-source -a codex`. Or copy the skill folder (cmd/slackdump/internal/mcp/assets/skills/slackdump-source in rusq/slackdump) into .agents/skills/slackdump-source in your project. Codex loads it when a task matches its description.

Can I use Slackdump Source in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add rusq/slackdump --skill slackdump-source -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/slackdump-source, .gemini/skills/slackdump-source, .github/skills/slackdump-source and .opencode/skills/slackdump-source in your project.

What does Slackdump Source need to run?

SKILL.md names no scripts, command-line tools or credentials: Slackdump Source is instructions for the agent only.

Does Slackdump Source access the network?

SKILL.md names 1 domain. As links in the text: slack.com. This is read from the text; nothing was executed.

Is Slackdump Source safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Slackdump Source use?

Slackdump Source is published under the AGPL-3.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Slackdump Source use?

About 876 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Slackdump Source?

Skills that share tags, products or a category with Slackdump Source: Agent Browser CLI (vercel-labs/agent-browser, 44k stars), Slack GIF Creator (anthropics/skills, 180k stars), Code Design Rationale Investigator (cursor/plugins, 10k stars) and Electron App Automation (vercel-labs/agent-browser, 44k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Slackdump Source?

rusq (a GitHub user) maintains it in rusq/slackdump, which has 2,810 GitHub stars. The repository holds 4 skills in this directory. The repository was last updated on October 3, 2026.

Source: rusq/slackdump on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.