"Performing Email-Related Operations in Python" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Webhook, email, WebSocket and tunnel testing for AI agents: capture, wait, verify, replay.
Uxia brings AI user testing, usability testing and UX research into ChatGPT. It helps product managers, UX designers, researchers and developers evaluate websites, interactive prototypes and digital product experiences using AI-simulated users. Explore potential usability problems, investigate friction in user journeys and use findings to guide product and design improvements.
Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.
Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.
What is known to be broken in an MCP server or API operation, with the check that found it.
Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.
Whether a registry MCP server works for a stock client, and what changed in its tools. Free, no key.
X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.64
Hosted Python sandbox for package runtime verification: pip install and usable-import evidence.
Point Claude Code, Qwen Code, Cursor, or any MCP client at https://docs.jmeter.ai/api/mcp and your agent answers JMeter questions grounded in this documentation, with a source link for every answer. Free, no API key, no signup.
MCP-native AI browser testing for coding agents. Submit a URL + goal, get back action trail, bugs, screenshots, and WebM video your agent patches from directly. 43 tools, 12 AI evaluation personalities, combo tiers with auto-pause-on-bugs, throwaway email + SMS inboxes.
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools covering mailboxes, mails, attachments, domains, teams, and mock identities.
12 synthetic onboarding document exception cases: duplicate payments, region hold list entries, miss
Test your AI agent over MCP in the Open Chamber: a timed public trial with signed cards.
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Deterministic operations reconciliation for AI agents: COMPLETE, INCOMPLETE, or NEEDS_REVIEW.