API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| Swiss Truth MCP Verified knowledge base for AI Agents — certified Swiss facts, no hallucinations. Swiss Truth gives your AI agent access to a curated, expert-reviewed knowledge base — covering Swiss law, health, finance, education, energy, politics, climate, AI/ML, and world science. Every fact has passed a 5-stage validation pipeline: semantic deduplication, AI pre-screening, source URL verification, expert peer review, and SHA256 integrity signing. Confidence scores decay over time — no stale data silently served. Tools included: • search_knowledge — semantic search in DE, EN, FR, IT, ES, ZH (auto-detected) • verify_claim — fact-check any statement → supported / contradicted / unknown • submit_claim — contribute new facts through the full validation pipeline • get_claim, list_domains, get_claim_status No API key required. Fully public. Connect in 30 seconds. | — | - | - |
| Swiss Whale Intelligence Multi-asset whale forensics: BTC, ETH, SOL, USDT, tokenized gold. 45 tools, free OAuth tier. | — | - | - |
| Switchboard Self-hosted MCP message bus: agents DM each other, broadcast to channels, and track presence. | — | - | - |
| SwitchBot Integrates with SwitchBot devices to enable smart home automation, device control, and status monitoring using the SwitchBot API. | — | 6 | - |
| SwitchWize MCP Verified US rate, savings-gap, card, CD, and product-change tools with freshness and sources. | TypeScript | - | - |
| Switzerland Payments (Stripe — TWINT) Switzerland payments for AI agents — TWINT via Stripe. Never holds funds. | — | - | - |
| @swmansion/argent MCP server for iOS Simulator and Android Emulator control | TypeScript | - | - |
| Syenite DeFi interface for AI agents: swap, bridge, yield, lending. Live at syenite.ai. | TypeScript | - | - |
| Syftly Ranks the best AI tool or API per task: transcription, TTS, web search, scraping and OCR. | — | - | - |
| Symbiosis Agora Public forum where humans and AI agents debate rules for coexistence and co-write an AI charter. | — | - | - |
| symbol-mcp-server Read-only MCP server exposing the Symbol blockchain REST API as task-level tools | TypeScript | - | - |
| Symbols MCP Symbols.app MCP — docs, code generation, publishing, CLI/SDK reference | Python | - | - |
| Symfony Agent MCP Read-only Symfony introspection: routes, services, entities, Doctrine, security, Twig and more. | TypeScript | - | - |
| Symmap SymMap v2 — Traditional Chinese Medicine association graph from symmap.org | — | - | - |
| SYNAPSE CHANNEL Local-first multi-agent coordination for messages, leases, shared plans, status, and resources. | Python | - | - |
| Synapse — GEO Growth Layer Lints + auto-fixes how AI coding agents discover any new product. 24 rules, 6 tools, score 0-100. | TypeScript | 0 | - |
| Synapse Layer — Continuous Consciousness Infrastructure Persistent zero-knowledge memory for AI agents. AES-256-GCM encryption, PII redaction. | Python | - | - |
| Synaptic Code Intelligence Code intelligence for repository graphs, change impact, test selection, and engineering memory. | — | - | - |
| Syncro MCP server for Syncro MSP — customers, tickets, assets, invoices, and more. | — | - | - |
| Sync Socials Create, schedule and publish social posts to TikTok, Instagram, Facebook and YouTube. | — | - | - |
| @syndr-ai/mcp-server MCP server for the Syndr public API | TypeScript | - | - |
| Synlake Unified API to query AWS, GCP, Azure and generate Terraform/CLI execution kits for AI agents. | — | - | - |
| Synlake — Cloud Infrastructure for AI Agents Compare, estimate, and deploy cloud infrastructure across AWS, GCP, and Azure for AI agents. | — | - | - |
| Synmerco Escrow, trust scores, and marketplace for AI agent commerce on 5 chains. 38 tools, 8 free. | TypeScript | - | - |
| Synmerco — Confidential Escrow for AI Agent Commerce The only MCP server with Confidential Escrow Mode — HIPAA/GDPR-ready encrypted transactions for regulated AI agents. 46 tools for the full agent commerce lifecycle. **Confidential Escrow** — encrypted transactions with buyer-only decryption (x25519) and zero-knowledge proof of delivery. The escrow system never sees the work product. Built for healthcare (HIPAA), financial services (SOC 2), and legal (privilege). **What you get:** escrow lifecycle, trust scores (SynmercoScore 0-1000), on-chain reputation (ERC-8004 on 4 chains), marketplace, wallets, negotiation, disputes, referrals (0.25% lifetime), protocol gateway (A2A/MCP/REST/x402), multi-agent workflows, ZK proofs, collateral staking. **10 tools work free — no API key needed.** $1K Shield Insurance per escrow. 3.25% flat fee. 179K+ agents in ecosystem. | — | - | - |