Securitytrails
Registry listedSecurityTrails MCP — wraps SecurityTrails API (securitytrails.com)
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This is the last qualified snapshot, observed 2026-09-08. Source updates are not currently confirmed. Existing results remain available.
SecurityTrails MCP — wraps SecurityTrails API (securitytrails.com)
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Sefaria MCP — the free digital library of Jewish texts.
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Semantic Scholar Academic Graph MCP.
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Semrush MCP Pack — SEO analytics via the Semrush Analytics API.
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Semantic Versioning (semver) MCP.
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US Senate Lobbying Disclosure (LDA) MCP.
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send-that-email MCP — wraps StupidAPIs (requires X-API-Key)
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SEO AI-Visibility MCP — does brand X appear in an LLM's answer (GEO / AI-SEO)
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SEO Backlinks MCP — backlink intelligence via DataForSEO Backlinks API
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SEO Competitors MCP — domain ranked keywords via DataForSEO Labs (dataforseo.com)
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SEO Keywords MCP — search volume & difficulty via DataForSEO Labs (dataforseo.com)
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SEO Keywords (Google Ads volume) MCP — exact Google Ads search volume via
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SEO SERP MCP — Google organic search results via DataForSEO (dataforseo.com)
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SEPTA MCP — Philadelphia SEPTA real-time transit (www3.septa.org/api, keyless)
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SerpApi MCP — wraps SerpApi (serpapi.com) search engines
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Serper MCP — wraps the Serper Google Search API (serper.dev)
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setlist.fm: concert setlists by artist/venue/date. Free key required.
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SF Rec & Park Events MCP.
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SGD (Saccharomyces Genome Database) MCP.
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shakespeare-insult MCP — wraps StupidAPIs (requires X-API-Key)
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