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Slack Messaging
by
charlie-morrison
· GitHub ↗
· v1.0.0
· MIT-0
71
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0
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0
Active Installs
1
Versions
Install in OpenClaw
/install slack-messaging
Description
Slack messaging — send messages, manage channels, upload files, add reactions, and automate team notifications via CLI and API.
Usage Guidance
This instruction-only skill is coherent: it only needs a Slack token and shows explicit Slack API calls. Before installing, verify you will supply a token with the least privilege required (prefer a bot token scoped only to needed actions), avoid using a high-privilege user token unless necessary, rotate and store the token securely, and do not paste the token into chat. Note the skill source/homepage is missing — that doesn't change the technical assessment but means you can't easily audit or contact the author; prefer skills from known publishers or add a workspace-scoped token you can revoke quickly if you stop using the skill.
Capability Analysis
Type: OpenClaw Skill
Name: slack-messaging
Version: 1.0.0
The skill bundle provides standard documentation and functional curl command examples for interacting with the official Slack Web API (slack.com). It correctly identifies the need for a SLACK_TOKEN and outlines legitimate operations such as messaging, channel management, and user lookups without any evidence of data exfiltration, obfuscation, or malicious prompt injection in SKILL.md or _meta.json.
Capability Tags
Capability Assessment
Purpose & Capability
Name/description (send messages, manage channels, upload files, reactions) aligns with the single required env var SLACK_TOKEN and the Slack Web API endpoints used in SKILL.md.
Instruction Scope
SKILL.md contains concrete curl calls to Slack API endpoints and only references SLACK_TOKEN for auth; it does not instruct reading unrelated files, scanning system state, or exfiltrating other credentials. Workflow examples (Sentry webhook integration, CI/CD) are suggestions and don't require additional secrets in the document.
Install Mechanism
Instruction-only skill with no install spec or code files — nothing is downloaded or written to disk by the skill itself, which is the lowest-risk install profile.
Credentials
Only SLACK_TOKEN is required and is appropriate for Slack API access. The SKILL.md explicitly distinguishes bot tokens (xoxb-) and user tokens (xoxp-) so the requested credential is justified by the described capabilities.
Persistence & Privilege
The skill does not request always:true and does not instruct modifying other skills or system-wide configuration. Autonomous invocation is allowed by the platform default but is not elevated by this skill.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install slack-messaging - After installation, invoke the skill by name or use
/slack-messaging - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
Initial release: messaging, channels, files, reactions, and workflow automation via Slack API
Metadata
Frequently Asked Questions
What is Slack Messaging?
Slack messaging — send messages, manage channels, upload files, add reactions, and automate team notifications via CLI and API. It is an AI Agent Skill for Claude Code / OpenClaw, with 71 downloads so far.
How do I install Slack Messaging?
Run "/install slack-messaging" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Slack Messaging free?
Yes, Slack Messaging is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does Slack Messaging support?
Slack Messaging is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Slack Messaging?
It is built and maintained by charlie-morrison (@charlie-morrison); the current version is v1.0.0.
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