§ Integrations / MCP

Give your AI agent
the open web.

ToolCenter MCP is the missing toolbox for agents. Fifteen curated tools — search, scrape-to-markdown, screenshot, SEO audit, DNS, WHOIS, SSL, diff — with outputs hand-tuned for LLM consumption. One npx install; works with every major MCP client.

npm toolcenter-mcp · v0.1.2 ⚖️ MIT open source 500× fewer tokens
§ Install · 60 seconds

Three steps. Zero glue code.

Paste a single block into your MCP client's config file and your agent instantly gains all fifteen tools. Same block across clients.

01

Get your API key

Free tier: 100 calls/mo, no credit card. Sign up →

02

Paste the config block

See the right-hand snippet. Replace the key with yours.

03

Restart your client

Tools appear under the 🔌 menu. No auth flow, no OAuth, no seat setup.

claude_desktop_config.json
// macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
// Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "toolcenter": {
      "command": "npx",
      "args": ["-y", "toolcenter-mcp"],
      "env": {
        "TOOLCENTER_API_KEY": "tc_live_••••••"
      }
    }
  }
}
§ Compatible clients

Works with all of them.

MCP is a protocol, not a product. Same config block works everywhere — paste it into Claude Desktop today, Cursor tomorrow, a homegrown agent next week. No vendor lock-in.

Claude Desktop

Anthropic's flagship. Tools appear under the 🔌 menu.

~/Library/.../claude_desktop_config.json

Cursor

IDE settings → MCP → Add server. Same JSON block.

Settings · MCP

Claude Code (CLI)

One-liner: claude mcp add toolcenter …

claude mcp add

Zed

Context servers via the settings JSON file.

~/.config/zed/settings.json

Windsurf

MCP Servers panel in the side menu.

Settings · MCP Servers

Continue.dev

Config file inside your repo or global settings.

.continue/config.json

Custom agent

Use any MCP SDK — TypeScript, Python. Stdio transport.

@modelcontextprotocol/sdk

Self-hosted backend

Point at your own ToolCenter via TOOLCENTER_BASE_URL.

env var override
§ The 15 tools

Curated, not exhaustive.

web_searchMCP

Clean SERP results with snippets. Built for agents.

scrape_urlMCP

Fetch → readable markdown. 500× fewer tokens than raw HTML.

screenshotMCP

Full-page screenshots. Custom viewport, dark mode, element-scoped.

get_metadataMCP

Extract title, description, OG, Twitter, canonical, favicon.

url_to_pdfMCP

Render any URL to a print-ready PDF. Custom page size.

website_diffMCP

Detect visual + content changes between two snapshots.

analyze_seoMCP

Scored report — issues grouped by severity with fixes.

analyze_accessibilityMCP

WCAG 2.2 audit — violations by impact.

check_broken_linksMCP

Scan a page for 4xx/5xx/timeout links with status codes.

detect_tech_stackMCP

Framework, CMS, analytics fingerprinting — Wappalyzer-grade.

preview_linkMCP

Slack-style unfurl card: title, image, description, favicon.

dns_lookupMCP

A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, CAA records.

whois_lookupMCP

Registrar, creation/expiry, ownership, DNSSEC.

check_sslMCP

TLS cert — issuer, validity, days to expiry, SANs, cipher.

check_statusMCP

HTTP ping — up/down, status, response time, redirects.

§ Example · competitor research

Build this agent in five minutes.

Ask Claude: "Research Linear's top 3 competitors. For each, give me their pricing page, tech stack, SEO score, and a screenshot of the homepage."

  1. 01web_search → find the competitors
  2. 02scrape_url ×3 → pricing pages as Markdown
  3. 03detect_tech_stack ×3 → fingerprint each stack
  4. 04analyze_seo ×3 → score each site
  5. 05screenshot ×3 → capture homepages
claude ~/research
❯ user Research Linear's top 3 competitors… ⚙ web_search { q: "linear.app alternatives" } ⚙ scrape_url × 3 ⚙ detect_tech_stack × 3 ⚙ analyze_seo × 3 ⚙ screenshot × 3 ❯ claude Linear's closest peers are Height, Shortcut, and Jira. Comparison: | Tool | Stack | SEO | Pricing | |----------|-------------|-----|------------| | Height | Next + Vercel| 94 | $8 / user | | Shortcut | Rails + Heroku| 81| $10 / user | | Jira | React + AWS | 74 | $7.50 / u. | Screenshots attached (3 files, 411 KB total).
§ Ship your agent today

Stop writing glue code.
Start shipping.

Free tier: 100 calls/mo, forever. Upgrade when your agent ships. Cancel when it doesn't.

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