add-reactions

add-reactions is a skill for Claude Code from sbusso/claudeclaw. It costs 21 tokens per session (798 once invoked), scanned A, original, MIT.

An emoji-reaction feature for ClaudeClaw's WhatsApp channel. It can receive, send, store, and search reactions, with their history kept in a database.

In plain words
What is it for?
It helps the agent react to WhatsApp messages with emojis, receive and persist users' reactions, and query reaction history through the agent tools.
Why use it?
It lets the agent use reactions as message signals and look back at past reactions instead of treating them as invisible or temporary events.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the claudeclaw plugin — 27 skills shipped together

Good fit It helps the agent react to WhatsApp messages with emojis, receive and persist users' reactions, and query reaction history through the agent tools.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/sbusso/claudeclaw/add-reactions
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add sbusso/claudeclaw --skill add-reactions
Clone the repo
git clone --depth 1 https://github.com/sbusso/claudeclaw

Made for: Claude Code.

Or install claudeclaw, the plugin that ships this one along with the rest of its 27 skills.

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-reactions

README.md
[![agentmods](https://agentmods.dev/badge/skills/sbusso/claudeclaw/add-reactions/github.svg)](https://agentmods.dev/skills/sbusso/claudeclaw/add-reactions)
Your own site
<a href="https://agentmods.dev/skills/sbusso/claudeclaw/add-reactions"><img src="https://agentmods.dev/badge/skills/sbusso/claudeclaw/add-reactions/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-reactions

Your own site · 80×15
<a href="https://agentmods.dev/skills/sbusso/claudeclaw/add-reactions"><img src="https://agentmods.dev/badge/skills/sbusso/claudeclaw/add-reactions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 798 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Agent Snooping · line 51
    Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.
    Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
  • medium MCP Rug Pull · line 57
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
Origin original No closer match found 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 $0.00021 $0.00798
Opus 5 $0.00010 $0.00399
Sonnet 5 $0.00004 $0.00160
Haiku 4.5 $0.00002 $0.00080

Measured 9d ago against content hash effd0a17e90d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

add-reactions 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

Copies of this mod

8 near-identical copies found in the catalogue:

skills/add-reactions/SKILL.md · 120 lines

How it starts

The opening of the file, as written. The whole thing — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Add Reactions

This skill adds emoji reaction support to ClaudeClaw's WhatsApp channel: receive and store reactions, send reactions from the container agent via MCP tool, and query reaction history from SQLite.

Phase 1: Pre-flight

Check if already applied

Check if src/status-tracker.ts exists:

test -f src/status-tracker.ts && echo "Already applied" || echo "Not applied"

If already applied, skip to Phase 3 (Verify).

Phase 2: Apply Code Changes

Ensure WhatsApp fork remote

git remote -v

If whatsapp is missing, add it:

git remote add whatsapp https://github.com/qwibitai/claudeclaw-whatsapp.git

Merge the skill branch

git fetch whatsapp skill/reactions
git merge whatsapp/skill/reactions || {
  git checkout --theirs package-lock.json
  git add package-lock.json
  git merge --continue
}

This adds:

  • scripts/migrate-reactions.ts (database migration for reactions table with composite PK and indexes)
  • src/status-tracker.ts (forward-only emoji state machine for message lifecycle signaling, with persistence and retry)
  • src/status-tracker.test.ts (unit tests for StatusTracker)
  • agent/skills/reactions/SKILL.md (agent-facing documentation for the react_to_message MCP tool)
  • Reaction support in src/orchestrator/db.ts, src/channels/whatsapp.ts, src/orchestrator/types.ts, src/orchestrator/ipc.ts, src/index.ts, src/group-queue.ts, and agent/runner/src/ipc-mcp-stdio.ts

Run database migration

npx tsx scripts/migrate-reactions.ts

Validate code changes

npm test
npm run build

All tests must pass and build must be clean before proceeding.

Phase 3: Verify

Build and restart

npm run build

Service name: Derived from the directory name: com.claudeclaw.<dirname> (macOS) / claudeclaw-<dirname> (Linux). For example, if cwd is my-assistant, the service is com.claudeclaw.my-assistant. Determine the correct service name before running service commands below.

Read the full file on GitHub · 120 lines

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 · 120 lines · 21 tokens per session scan A effd0a17e90d

Subscribe to this mod's changes

add-reactions is a skill published in the GitHub repository sbusso/claudeclaw (192 stars, last pushed 27d ago), licensed MIT. It adds 21 tokens to every session and 798 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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