slack-automation

Automate Slack messaging, channel management, search, reactions, and threads via Rube MCP (Composio). Send messages, search conversations, manage channels/users, and react to messages programmatically.

Install with Tessl CLI

npx tessl i github:davepoon/buildwithclaude --skill slack-automation

What are skills?

Review — 68%

Does it follow best practices?

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Learn more

Validation — 10 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

100%

62%

New Hire Onboarding Slack Notification Runbook

Setup flow and message sending

Criteria

Without context

With context

RUBE_SEARCH_TOOLS first

100%

RUBE_MANAGE_CONNECTIONS call

100%

ACTIVE status verification

100%

SLACK_FIND_CHANNELS with query

100%

SLACK_LIST_ALL_CHANNELS fallback

100%

markdown_text field usage

100%

No text/blocks as primary

100%

USER_ID mention format

100%

SLACK_FIND_USERS for lookup

100%

Persist channel and ts

50%

100%

Edit with channel and ts

50%

100%

Without context: $1.3574 · 4m 32s · 34 turns · 376 in / 8,400 out tokens

With context: $0.4068 · 1m 45s · 18 turns · 273 in / 5,683 out tokens

93%

10%

Slack Conversation Audit Workflow

Message search and thread retrieval

Criteria

Without context

With context

in: channel modifier

100%

from: user modifier

100%

Date range modifiers

100%

Thread retrieval tool

41%

100%

Not conversation history for threads

100%

Matches field location

100%

Zero-hit detection

100%

next_cursor pagination

60%

De-duplicate by id

62%

Explicit limit/count

100%

Private channel coverage

70%

100%

Without context: $0.3043 · 1m 45s · 14 turns · 18 in / 6,774 out tokens

With context: $0.3780 · 1m 38s · 16 turns · 176 in / 5,458 out tokens

100%

16%

Daily Standup Bot Implementation Plan

Reactions, threading, and scheduling

Criteria

Without context

With context

SLACK_FIND_USERS for DM

25%

100%

SLACK_OPEN_DM for DM channel

80%

100%

Emoji name without colons

100%

Reaction requires channel + ts

100%

Find message before reacting

37%

100%

Unix timestamp for scheduling

100%

No ISO 8601 for post_at

100%

120-day scheduling limit

100%

thread_ts for replies

100%

Persist channel and ts

62%

100%

No top-level reply warning

100%

Without context: $0.2376 · 1m 20s · 13 turns · 20 in / 4,634 out tokens

With context: $0.3957 · 1m 32s · 19 turns · 181 in / 4,846 out tokens

Evaluated: about 18 hours ago
Agent: Claude Code

Table of Contents

New Hire Onboarding Slack Notification Runbook Slack Conversation Audit Workflow Daily Standup Bot Implementation Plan

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