Free unit & live currency conversion tools from toolalize.com (convert_units, convert_currency).

Professional SEO auditing: 15 tools, 9 checks, CWV, E-E-A-T, schema, GEO. Free tier.

Text case conversion MCP.

SEO MCP server: crawl your site, find AI-visibility gaps, and ship the fix from your coding agent.

Search Facebook ads, decode competitor creative strategy, and track brand ad history.

Agent coordination, email pipeline, lead verification, and campaign operations. 38 tools.

Channel-safety for cold outreach: volume limits, SPF/DKIM/DMARC, spam-trigger auditing.

SEO tools via x402: briefs, keywords, SERP, backlinks, audits. $0.50-$3/req USDC on Base.

APITier utility APIs as MCP tools: validation, UK/India address lookup, barcode/QR, data conversion.

Kadam advertising platform — manage ads, campaigns, creatives, audiences and stats

CLI and MCP server for the LinkedIn API

Currency conversion and exchange rates for AI. 170+ currencies, historical data back to 1999.

8 content tools: Case Studies, Newsletters, Webinars, Repurposing, Thought Leadership

Countries, timezones, elements, constants, HTTP status codes, unit conversion, and MIME type lookup.

TikTok video data analytics and content strategy tools

Schema conversion and schema-driven code generation MCP server.

AI-powered keyword research, SEO audits, and AI-visibility scans via the JackpotKeywords REST API.

Ferramentas fiscais brasileiras: CNPJ, NF-e, IBS/CBS, ICMS, Simples Nacional, NCM/CFOP. Sem API key.

31 pay-per-call AI agent tools: document extraction, SEO audits, scraping & more. USDC via x402.

Mailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.