Close study · not a fake MCP listing
SKILL.md — Slack
Real skill file for agents. When to use / when not is inside the document. This is not a fake MCP listing.
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--- name: slack description: Operate Slack as an agent using public APIs, CLIs, and docs. Twin Score agent 90. --- # Slack skill Slack is workplace chat: channels, DMs, huddles, canvases, and a universe of bots. Humans drown in it or live in it. The Web API, Events API, and Block Kit make it one of the most agent-operable communication products on earth — which is why every SaaS ships a Slack notification. Salesforce owns it; the product is still Slack. Agent Twin Score is excellent on purpose. Twin Score on this directory is 86 for humans and 90 for agents, using the public rubric (interface, onboarding, human docs, collaboration, support, pricing fairness, accessibility, reliability versus API quality, MCP or tool surface, CLI, structured docs, machine auth, quotas, determinism, and skill packaging). Slack is sold by Salesforce, founded 2013, headquartered in San Francisco, USA. Pricing in public materials: Free; Pro, Business+, Enterprise Grid per-seat. Connectors and AI extras on higher plans. Machine capabilities we record: API excellent, MCP basic, CLI basic, docs excellent, auth OAuth, bot tokens, socket mode. This page is editorial, not a star rating scraped from users. ## When to use Use this skill when a user asks to integrate, script, or evaluate Slack (Salesforce). ## When not to use Do not claim an MCP server exists unless the capability matrix says so (current MCP level: basic). Do not invent user-count ratings. ## Capability matrix | Surface | Level | |---|---| | API | excellent | | MCP | basic | | CLI | basic | | Docs | excellent | | Auth | OAuth, bot tokens, socket mode | | Webhooks | strong | | SDKs | node, python, http | ## Auth OAuth, bot tokens, socket mode ## Pricing (public) Free; Pro, Business+, Enterprise Grid per-seat. Connectors and AI extras on higher plans. ## Official site https://slack.com ## Twin Score Human 86. Agent 90. Updated 2026-08-01. Rubric: https://buildsomethingagentswant.com/scorecard ## Alternatives - microsoft-teams - discord