Recently added agent tools.

Swiss National Bank (SNB) data portal MCP. Keyless.

Smithsonian Open Access MCP.

Slack MCP Pack

Skiddle MCP.

Statistical Office of the Republic of Slovenia (SURS) — SiStat PxWeb MCP.

SingStat Table Builder MCP — Department of Statistics Singapore.

Singapore Government Procurement MCP — GeBIZ tender awards (keyless).

CDS SIMBAD — astronomical object database (~14M objects) via TAP/script

simap MCP — Swiss public procurement tenders and awards (keyless).

Shopify MCP Pack — wraps the Shopify Admin REST API (2024-01)

Shodan InternetDB MCP — wraps Shodan InternetDB (internetdb.shodan.io)

Shodan MCP — wraps the full Shodan REST API (api.shodan.io)

ship-on-friday MCP — wraps StupidAPIs (requires X-API-Key)

shakespeare-insult MCP — wraps StupidAPIs (requires X-API-Key)

SGD (Saccharomyces Genome Database) MCP.

SF Rec & Park Events MCP.

setlist.fm: concert setlists by artist/venue/date. Free key required.

Serper MCP — wraps the Serper Google Search API (serper.dev)

SerpApi MCP — wraps SerpApi (serpapi.com) search engines

SEPTA MCP — Philadelphia SEPTA real-time transit (www3.septa.org/api, keyless)

SEO SERP MCP — Google organic search results via DataForSEO (dataforseo.com)

SEO Keywords (Google Ads volume) MCP — exact Google Ads search volume via

SEO Keywords MCP — search volume & difficulty via DataForSEO Labs (dataforseo.com)

SEO Competitors MCP — domain ranked keywords via DataForSEO Labs (dataforseo.com)

SEO Backlinks MCP — backlink intelligence via DataForSEO Backlinks API

SEO AI-Visibility MCP — does brand X appear in an LLM's answer (GEO / AI-SEO)

send-that-email MCP — wraps StupidAPIs (requires X-API-Key)

US Senate Lobbying Disclosure (LDA) MCP.

Semantic Versioning (semver) MCP.

Semrush MCP Pack — SEO analytics via the Semrush Analytics API.

Semantic Scholar Academic Graph MCP.

Sefaria MCP — the free digital library of Jewish texts.

SecurityTrails MCP — wraps SecurityTrails API (securitytrails.com)

Security Feeds MCP.

SEC XBRL MCP — wraps SEC EDGAR XBRL API (data.sec.gov)

SEC Regulations MCP — US securities regulations (17 CFR).

SEC Form D fundraising intelligence.

SEC 8-K event triage — query our pre-classified mirror of every

SEC MCP — SEC EDGAR public APIs (free, no auth)

SeatGeek MCP.

Scryfall MCP — Magic: The Gathering card database.

scream-void MCP — wraps StupidAPIs (requires X-API-Key)

Scrapingdog MCP — wraps Scrapingdog (scrapingdog.com), a proxy-based web

USGS ScienceBase catalog MCP.

Science Feeds MCP.

Science MCP — free science data APIs

schrodingers-boolean MCP — wraps StupidAPIs (requires X-API-Key)

JSON Schema catalog (SchemaStore.org)

Statistics Sweden (SCB) — PxWeb JSON-stat statistical database

SBIR MCP — wraps the SBIR.gov public API (free, no auth)