"A database or source for finding medical information about esophageal cancer" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.
Accountless pay-per-use code execution for agents. Read-only search and pricing; pay via x402.
Proof and repair for Apple coding agents: validate Swift, run Xcode evidence, and repair failures.
Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.
Paid pre-execution risk verification for AI agents over MCP and x402.
Scientific compute for AI agents: symbolic, numerical, quantum, chemistry, ODE. Paid via x402.
Engineering calculation MCP server for oil and gas engineering applications.
MCP server for Klever blockchain smart contract development.
Docs for hot-module-reload and reactive programming for Python (`hmr` on PyPI)
40+ developer tools from Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML, and Microsoft Learn. Docs lookup, code execution, security scanning. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools
Precision math engine for AI agents. 203 exact methods. Zero hallucination.
Protects AI coding agents from installing malicious open source packages. Every npm and PyPI package is checked against SafeDep’s real-time threat intelligence before installation.
Generate a Flutter app from a JSON spec free; pay only for the compiled APK (USDC on Base).
Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.
Provides access to TakeProfit.com's Indie documentation and tooling — a Python-based scripting language for building custom cloud indicators and trading strategies on the TakeProfit platform.
On-demand GPU nodes for agents: create nodes, run commands, and submit jobs, billed by the minute.
MCP task execution sandbox. 4 tools for claim→execute→submit lifecycle with idempotent claims, duplicate-safe submissions, content validation, and 7-day execution expiry.
Build Apps and run code in 30 languages — sandboxed, with persistent sessions for agent loops.
Run Python code in a secure sandbox without local setup. Declare inline dependencies and execute s…
Build a full backend from Claude Code — boards, data, REST APIs — plus a ready-made admin UI
