Browse MCP Servers · MCP Sentinel

3GPP Scout

by 3gppscout

Hosted 3GPP MCP server for Rel-15–20 TS/TR search. Index stays current.

GitHubsearch

3GPP Specifications

Search, browse, and cross-reference 3GPP telecommunications specifications stored in a local SQLite database.

GitHubdatabase2

@3ngram/server

by GitHub Actions

MCP server and REST API for persistent, typed AI-agent memory.

npmTypeScriptdatabase

3TG Test Generation

by 3tg

3rd Generation Testing (3TG) — generate deterministic test suites from Markdown spec tables via MCP.

dev-tools

402 Bot Discovery Oracle

Discovers and ranks live x402 API endpoints by price, trust, and latency, enabling agents to buy routes, inspect providers, and execute paid data fetches on Base mainnet.

api-integration

402cron

by 402cron

Paid cron for AI agents: we call your https URL on schedule, signed. No account, paid with x402.

ai-ml

402 Index

Search 15,000+ paid API endpoints across L402, x402, and MPP protocols with real-time health monitoring.

GitHubapi-integration3

@402index/mcp-server

by GitHub Actions

MCP server for 402 Index — search 15,000+ paid API endpoints across L402, x402, and MPP protocols with real-time health monitoring

npmTypeScriptfilesystem

402Signal

by 402signalhq

Fail-closed x402 router. Authorize $0.003 USDC; live eligible routes settle, normal misses cost $0.

api-integration

404.directory

by MM-sheng

Search official OpenAI, Microsoft, AWS, and Cloudflare docs; discover and verify read-only tools.

npmTypeScriptfilesystem

@41px/mcp-xmind

by 41px

MCP server for XMind

npmTypeScriptai-ml74

@43world/43chat-mcp-server

by joglex

43Chat MCP Server

npmTypeScriptcommunication

4563

by wt3518274242

GitHubTypeScript

4740

by wt3518274242

GitHubTypeScript

483 Risk Radar

FDA & NHTSA regulatory risk intelligence for AI agents: compliance, 510(k) evidence, postmarket surveillance, and reimbursement data.

GitHubai-ml

4bots

by 4bots

Daily content delivery service for AI briefing agents across 10 topic channels.

GitHubai-ml

4Bots Content

Daily curated content for AI agents across 10 channels including history, investing, and puzzles.

ai-ml

4fetch

by amit755

Fetch a URL and get clean Markdown with metadata. No API key required; rate-limited per IP.

api-integration

4o-image

Provides a bridge between AI systems and the 4o-image API for generating and editing high-quality images through text prompts with real-time progress updates.

npmTypeScriptapi-integration4