API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| Slack ↔ WxO MCP Gateway Lifts WxO Slack limits: every-message wake-up, multi-channel MCP. https://markusvankempen.github.io/ | TypeScript | - | - |
| slackxmcp TypeScript stdio MCP server and CLI for Slack Socket Mode apps. | TypeScript | - | - |
| SlateHut AI website builder (Wix/Framer alt). SlateHut MCP over HTTP: tools, schemas. Bearer auth. | — | - | - |
| Slatemark Trade journal plus read-only market, research, and brokerage data tools for external AI clients. | — | - | - |
| SLB Florida Business Intelligence 312K+ FL commercial parcels, 6,400+ verified listings, AI visibility reports, x402 micropayments | — | - | - |
| Sleep Provides a simple sleep/wait tool for introducing timed delays between operations, enabling scenarios like API call spacing and time-dependent process simulation. | — | 21 | - |
| Slide MCP server for Slide's backup/BDR (business continuity/disaster recovery) API. | — | - | - |
| Slide-Deck-Automator Front-end slide deck generator and layout compiler. | — | - | - |
| Slidev MCP Generate, render, and host Slidev presentations from markdown | — | - | - |
| Slid Phi Labs CuNi exactness, Chamber two-key JSON, Agent-Rider. Lab signup, agent keys, x402 catalog. | — | - | - |
| Slipstack PDF Generate invoice and receipt PDFs from JSON. Agent-callable document API with a free demo quota. | — | - | - |
| slop-chop Find and remove the writing patterns a profile lists. Deterministic, local, no model and no network. | — | - | - |
| Slop Guard Rule-based prose linter that scores text 0-100 for formulaic AI writing patterns using compiled regex rules, with no LLM or API calls required. | — | 141 | - |
| SlopScore Browse, search and scan a public leaderboard of AI-generated GitHub repos. | — | - | - |
| Slovakia Payments (Stripe — cards / Apple Pay) Slovakia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds. | — | - | - |
| Slovenia Payments (Stripe — cards / Apple Pay) Slovenia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds. | — | - | - |
| Slowave Local adaptive memory for AI coding agents through a five-tool MCP lifecycle. | Python | - | - |
| Slug Generator API URL-friendly slugs from text — transliteration, custom separators. x402 micropayment. | — | 0 | - |
| Sluicer The data a web page declares, with where each value came from. No model, no API key. | Python | - | - |
| smails Free disposable email for AI agents: a throwaway inbox to read verification codes over MCP. | TypeScript | - | - |
| Small Business Intelligence by Brick & Mortar Free joined public records for small business and CRE: Twin Cities parcels, sales, licences | — | - | - |
| Small Site Validate and publish built static websites to a public Small Site URL. | — | - | - |
| SMARD Energy Prices (x402) Paywalled SMARD day-ahead electricity prices (DE-LU, 15‑minute resolution) via x402 on Base mainnet. | — | - | - |
| SmartAgent CRM MCP server for SmartAgent CRM: leads, tasks, sales pipelines, property listings | — | - | - |
| SmartAPIs Products Watch Testing-phase Products Watch endpoint; public discovery remains while new onboarding is paused. | — | - | - |