"Managing Gmail Account" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
Give AI assistants the context behind client website feedback. Read comments, screenshots, replies, element details, and developer briefs; organize priorities, update statuses, and export feedback from authorized projects. Coding agents with repository access can investigate issues and prepare fixes for review. Connect through Streamable HTTP and browser OAuth using a Simple Commenter account.
Author and validate Calaf workspace seeds against the app's real importer. No account needed.
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
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.
Regex matching, email/URL format validation, and JSON Schema validation.
Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.
Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health, and live SSE results.
Infrastructure for managing mobile phones devices at scale
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).
- wcagc-mcpOAuth unavailablecom.wcagc.mcp
WCAG-Compliance/wcagc-mcp lets an assistant run real axe-core accessibility scans through the user's own wcagc account, rather than guessing accessibility from markup it can see. Tools cover a single URL or PDF, a full-site crawl, saved multi-step journeys, and violation trends.
- wcagc — accessibility scanningOAuth unavailableio.github.WCAG-Compliance
Deterministic axe-core accessibility scans (WCAG 2.1 AA, EN 301 549, PDF/UA) via your account.
- fixture.email — Email Testing for AgentsOAuth unavailableemail.fixture
Disposable test mailboxes on a real domain: send, receive and assert on real email.
A fully free linter for agent skill files: lint_skill validates YAML frontmatter, structure, size budgets, and safety phrasing with a pass/fail verdict; packaging_check validates zip layout against marketplace rules; plus regex_test, json_validate, diff_texts, and cron_explain for skill authors. No license or account required.
