MCP Server Directory

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

MCP server for SERPJET — Google Search results for AI agents. 1,000 free searches/month, recurring, no credit card required.

Self-hosted relay: agent sessions on different machines share a board, chat and check git conflicts

SFDA Drugs — Saudi Food and Drug Authority drug data

SGD (Saccharomyces Genome Database) MCP.

shakespeare-insult MCP — wraps StupidAPIs (keyless — no credential needed)

Analyze AWS IAM policies and CloudFormation templates with Shieldly to flag privilege-escalation paths, wildcards and over-permissive access.

Non-custodial crypto payments: create payment links and tip jars from a wallet address, with funds settling directly to the merchant's wallet.

ship-on-friday MCP — wraps StupidAPIs (keyless — no credential needed)

Feature flags, A/B experiments, kill switches, dynamic config & i18n — Shipeasy MCP server.

Deploy AI-generated HTML/CSS/JS to instant public HTTPS URLs from any MCP-compatible agent.

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

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

ShopGoodwill auctions — active listings, closed auctions with final sale

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

Shovels MCP — wraps the Shovels.ai API (shovels.ai)

SibFly — satellite-measured ground motion (subsidence / uplift) for any US address.

Ask for a change to your source and get it — made by local MLX models on your Mac, checked by a gate a machine can run before Claude sees it. Unit tests too. MCP server + CLI.

Assinatura eletrônica no Brasil (ICP-Brasil): envie, assine e verifique com sua conta SignDocs.

Leaderboard ranking AI coding operators by token efficiency, with signed submissions, diagnostics and simulations; only token counts leave the machine.

Sigstore Rekor — the public transparency log for software signatures.

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

SIMBAD MCP — CDS astronomical object database.

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

SingStat Table Builder MCP — Department of Statistics Singapore.

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

MCP server for siteglass.io — agent-driven web QA: register a site, scan it, auto-generate and run E2E test flows, read results + replay. Pay-per-action in credits over Bitcoin Lightning.

Sitemap Stats MCP — reads a domain's sitemap(s) and reports their STRUCTURE,

SkillWorks MCP server from Compound Labs. Searches published Claude Code skills, plugins and marketplaces, ranked by installs, with the install command. No key and no signup.

Deterministic chart and dashboard engine for AI agents. JSON in, PNG or SVG out in milliseconds, no browser. Same data, same bytes. Local MCP is free.

Local MCP server for SlimSnap. Gives AI agents your recent screen captures as structured JSON instead of screenshots.

Runtime authorization for AI agents and smart contracts via an immutable on-chain policy registry

Smarty MCP — wraps Smarty's US Address Verification + US Property Enrichment APIs

MCP server for SMS.RU — SMS sending, delivery status, balance (Russia)

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

Render terminal output, syntax-highlighted code, web pages, Markdown, HTML and git diffs as PNG, JPEG, PDF or GIF locally via Playwright.

Browser navigation and verification: compact semantic page digests, ranked text search, and typed diffs after each action with assertions.

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

Snov.io MCP — B2B email finder + contact enrichment + domain search (snov.io)

MCP server that teaches and applies software-design guidance: SOLID/OOP/DRY principles, the 23 GoF design patterns, pattern scaffolding, and heuristic code-smell detection.

MCP server for Solematica — solar estimates, provider comparison, energy prices and blog for Italy

Solscan MCP — Solana block-explorer API (Pro v2)

Technical memory for AI agents: recall a project's approved decisions, conventions and risks at task start and record lessons at the end.

Read-only access to self-hosted SonarQube Community Build: issues, security hotspots, rules and code snippets so an agent can fix findings locally.

App Store Optimization for iOS and Google Play: keyword difficulty and popularity, daily rank tracking, review mining, competitor gaps and revenue estimates.

Sonoma County Animal Services MCP — live shelter intake & outcome records

Sotheby's MCP — realized auction prices from sothebys.com.

South Africa Government Procurement MCP — National Treasury eTenders / OCPO (keyless).