nanoclaw-fleet: Skill for Claude Code

.claude/skills/add-slack/SKILL.md

add-slack is a skill for Claude Code from thmtz/nanoclaw-fleet. It costs 12 tokens per session (1,016 once invoked), scanned A, a copy of add-slack, MIT.

An add-on that connects NanoClaw to Slack, a team messaging platform, through a Chat SDK bridge.

In plain words
What is it for?
Use it to install the Slack adapter, create and configure a Slack app with bot permissions, set up the webhook and build the project.
Why use it?
It adds Slack conversations to NanoClaw, which does not include this channel in its main codebase.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is thmtz/nanoclaw-fleet's own configuration. It tells Claude Code how to work on nanoclaw-fleet itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything nanoclaw-fleet configures →

Reuse

Borrowing it

Nothing to install: this file belongs to thmtz/nanoclaw-fleet. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/thmtz/nanoclaw-fleet/main/.claude/skills/add-slack/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/thmtz/nanoclaw-fleet

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for add-slack

README.md
[![agentmods](https://agentmods.dev/badge/skills/thmtz/nanoclaw-fleet/add-slack/github.svg)](https://agentmods.dev/skills/thmtz/nanoclaw-fleet/add-slack)
Your own site
<a href="https://agentmods.dev/skills/thmtz/nanoclaw-fleet/add-slack"><img src="https://agentmods.dev/badge/skills/thmtz/nanoclaw-fleet/add-slack/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for add-slack

Your own site · 80×15
<a href="https://agentmods.dev/skills/thmtz/nanoclaw-fleet/add-slack"><img src="https://agentmods.dev/badge/skills/thmtz/nanoclaw-fleet/add-slack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 12 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,016 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00012 $0.01016
Opus 5 $0.00006 $0.00508
Sonnet 5 $0.00002 $0.00203
Haiku 4.5 $0.00001 $0.00102

Measured 9d ago against content hash 724dcc02827a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

add-slack scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

86% identical to add-slack — 12 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/add-slack/SKILL.md · 113 lines

How it starts

The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Add Slack Channel

Adds Slack support via the Chat SDK bridge.

Install

NanoClaw doesn't ship channels in trunk. This skill copies the Slack adapter in from the channels branch.

Pre-flight (idempotent)

Skip to Credentials if all of these are already in place:

  • src/channels/slack.ts exists
  • src/channels/index.ts contains import './slack.js';
  • @chat-adapter/slack is listed in package.json dependencies

Otherwise continue. Every step below is safe to re-run.

1. Fetch the channels branch

git fetch origin channels

2. Copy the adapter

git show origin/channels:src/channels/slack.ts > src/channels/slack.ts

3. Append the self-registration import

Append to src/channels/index.ts (skip if the line is already present):

import './slack.js';

4. Install the adapter package (pinned)

pnpm install @chat-adapter/[email protected]

5. Build

pnpm run build

Credentials

Create Slack App

  1. Go to api.slack.com/apps and click Create New App > From scratch
  2. Name it (e.g., "NanoClaw") and select your workspace
  3. Go to OAuth & Permissions and add Bot Token Scopes:
    • chat:write, channels:history, groups:history, im:history, channels:read, groups:read, users:read, reactions:write
  4. Click Install to Workspace and copy the Bot User OAuth Token (xoxb-...)
  5. Go to Basic Information and copy the Signing Secret

Enable DMs

  1. Go to App Home and enable the Messages Tab
  2. Check "Allow users to send Slash commands and messages from the messages tab"

Event Subscriptions

  1. Go to Event Subscriptions and toggle Enable Events
  2. Set the Request URL to https://your-domain/webhook/slack — Slack will send a verification challenge; it must pass before you can save
  3. Under Subscribe to bot events, add:
    • message.channels, message.groups, message.im, app_mention
  4. Click Save Changes
  5. Slack will show a banner asking you to reinstall the app — click it to apply the new event subscriptions

Read the full file on GitHub · 113 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 113 lines · 12 tokens per session scan A 724dcc02827a

Subscribe to this mod's changes

add-slack is a skill published in the GitHub repository thmtz/nanoclaw-fleet (5 stars, last pushed 4mo ago), licensed MIT. It adds 12 tokens to every session and 1,016 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to add-slack, differing in 12 lines, and is treated as a copy.

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