"Testing subscribe functionality on a Python server" matching MCP connectors:

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.

Generate a Flutter app from a JSON spec free; pay only for the compiled APK (USDC on Base).

AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases.

MCP server for Klever blockchain smart contract development.

Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.

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

Automate cloud Chrome—navigate, click, type, screenshot, run code, record screen video

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.

Anima MCP connects your AI coding assistant directly to Anima Playground. It bridges the gap between PM prototypes and production code.

Personal assistant MCP server with search, execute, packages, jobs, secrets, and integrations.

Run, build, and validate firmware on virtual hardware from your AI agent. Hardware knowledge corpus.

MCP server for Superserve sandboxes: create, exec, and manage Firecracker microVMs

Confidential AI execution with a post-quantum receipt on every job — verifiable by anyone.

Manage Sprites: sandboxed compute environments with exec, services, and checkpoints.

Deploy serverless TypeScript on Val Town: HTTP vals, cron, SQLite, email, OAuth.

A paid remote MCP for OpenAI Codex harness MCP, built to return verdicts, receipts, usage logs, and

Run Python code in a secure sandbox without local setup. Declare inline dependencies and execute s…

Plan, implement, and validate software changes using a virtual computer equipped with a full coding agent, development tools, browsers, and file access. Coding Agent by OpenHelm enables your agent to carry out work such as: • Implementing new features • Fixing bugs • Refactoring codebases • Updating documentation • Creating and validating pull requests

A paid remote MCP for CodeG, built to return verdicts, receipts, usage logs, and audit-ready JSON.