feat: Slack platform + Claude-powered chat support widget
- Add Slack as customer-facing messaging platform (client, 4 MCP tools, dashboard card) - Add /api/chat endpoint powered by Claude Haiku with SquareMCP system prompt - Add embeddable chat-widget.js injected into all 3 sites (docs, app, www) - Add ANTHROPIC_API_KEY, serve product/ as static files - Update Platform type to include slack Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Garfield
180
product/chat-widget.js
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180
product/chat-widget.js
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(function () {
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'use strict';
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const API = 'https://hermes.squaremcp.com/api/chat';
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const BRAND = '#6c47ff';
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const BRAND_DARK = '#5535e0';
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const css = `
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#smcp-btn {
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position: fixed; bottom: 24px; right: 24px; z-index: 9998;
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width: 56px; height: 56px; border-radius: 50%;
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background: ${BRAND}; border: none; cursor: pointer;
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box-shadow: 0 4px 16px rgba(0,0,0,0.18);
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display: flex; align-items: center; justify-content: center;
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transition: background 0.2s;
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}
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#smcp-btn:hover { background: ${BRAND_DARK}; }
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#smcp-btn svg { width: 26px; height: 26px; }
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#smcp-window {
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position: fixed; bottom: 92px; right: 24px; z-index: 9999;
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width: 360px; height: 520px; border-radius: 16px;
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background: #fff; box-shadow: 0 8px 40px rgba(0,0,0,0.18);
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display: flex; flex-direction: column; overflow: hidden;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
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font-size: 14px;
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}
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#smcp-window.hidden { display: none; }
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#smcp-header {
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background: ${BRAND}; color: #fff;
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padding: 14px 16px; display: flex; align-items: center; gap: 10px;
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font-weight: 600; font-size: 15px; flex-shrink: 0;
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}
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#smcp-header span { flex: 1; }
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#smcp-close {
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background: none; border: none; color: #fff; cursor: pointer;
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font-size: 20px; line-height: 1; padding: 0;
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}
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#smcp-messages {
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flex: 1; overflow-y: auto; padding: 16px;
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display: flex; flex-direction: column; gap: 10px;
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}
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.smcp-msg {
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max-width: 80%; padding: 9px 13px; border-radius: 12px;
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line-height: 1.45; word-break: break-word;
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}
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.smcp-msg.bot {
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background: #f1f0fe; color: #1a1a2e; border-bottom-left-radius: 4px; align-self: flex-start;
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}
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.smcp-msg.user {
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background: ${BRAND}; color: #fff; border-bottom-right-radius: 4px; align-self: flex-end;
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}
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.smcp-msg.typing { color: #888; font-style: italic; }
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#smcp-input-row {
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padding: 10px 12px; border-top: 1px solid #eee;
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display: flex; gap: 8px; flex-shrink: 0;
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}
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#smcp-input {
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flex: 1; border: 1px solid #ddd; border-radius: 8px;
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padding: 8px 12px; font-size: 14px; outline: none;
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font-family: inherit; resize: none; line-height: 1.4;
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}
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#smcp-input:focus { border-color: ${BRAND}; }
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#smcp-send {
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background: ${BRAND}; color: #fff; border: none;
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border-radius: 8px; padding: 0 14px; cursor: pointer;
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font-size: 18px; transition: background 0.2s;
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}
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#smcp-send:hover { background: ${BRAND_DARK}; }
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#smcp-send:disabled { background: #ccc; cursor: default; }
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@media (max-width: 420px) {
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#smcp-window { width: calc(100vw - 24px); right: 12px; bottom: 80px; }
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}
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`;
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const WELCOME = "Hi! I'm the SquareMCP assistant. Ask me anything about connecting your AI agent to social platforms.";
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function inject() {
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const style = document.createElement('style');
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style.textContent = css;
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document.head.appendChild(style);
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document.body.insertAdjacentHTML('beforeend', `
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<button id="smcp-btn" aria-label="Chat with SquareMCP">
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<svg viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/>
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</svg>
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</button>
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<div id="smcp-window" class="hidden">
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<div id="smcp-header">
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<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/>
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</svg>
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<span>SquareMCP Support</span>
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<button id="smcp-close">×</button>
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</div>
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<div id="smcp-messages"></div>
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<div id="smcp-input-row">
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<textarea id="smcp-input" rows="1" placeholder="Ask a question…"></textarea>
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<button id="smcp-send">►</button>
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</div>
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</div>
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`);
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const win = document.getElementById('smcp-window');
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const btn = document.getElementById('smcp-btn');
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const closeBtn = document.getElementById('smcp-close');
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const messages = document.getElementById('smcp-messages');
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const input = document.getElementById('smcp-input');
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const send = document.getElementById('smcp-send');
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const history = [];
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let busy = false;
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function addMsg(text, role, typing) {
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const div = document.createElement('div');
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div.className = 'smcp-msg ' + role + (typing ? ' typing' : '');
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div.textContent = text;
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messages.appendChild(div);
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messages.scrollTop = messages.scrollHeight;
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return div;
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}
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addMsg(WELCOME, 'bot');
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btn.addEventListener('click', () => {
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win.classList.toggle('hidden');
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if (!win.classList.contains('hidden')) input.focus();
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});
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closeBtn.addEventListener('click', () => win.classList.add('hidden'));
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async function submit() {
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const text = input.value.trim();
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if (!text || busy) return;
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busy = true;
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send.disabled = true;
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input.value = '';
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input.style.height = '';
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addMsg(text, 'user');
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history.push({ role: 'user', content: text });
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const indicator = addMsg('Typing…', 'bot', true);
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try {
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const res = await fetch(API, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ messages: history }),
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});
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const data = await res.json();
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const reply = data.reply || 'Sorry, something went wrong. Try again.';
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indicator.textContent = reply;
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indicator.classList.remove('typing');
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history.push({ role: 'assistant', content: reply });
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} catch {
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indicator.textContent = 'Network error. Please try again.';
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indicator.classList.remove('typing');
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}
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busy = false;
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send.disabled = false;
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messages.scrollTop = messages.scrollHeight;
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}
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send.addEventListener('click', submit);
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input.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' && !e.shiftKey) { e.preventDefault(); submit(); }
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});
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input.addEventListener('input', () => {
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input.style.height = '';
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input.style.height = Math.min(input.scrollHeight, 96) + 'px';
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});
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}
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', inject);
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} else {
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inject();
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}
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})();
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