"Information about Java programming language or Java-related topics" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
Scan URLs or HTML for WCAG 2.2 accessibility violations. 75-rule manifest, severity-weighted score, shareable HTML/CSV/JSON reports. Tools: scan_url, scan_html, get_report, list_rules.
Parse WebVTT, SRT, or TTML for conformance, timing, overlaps, line length, and reading speed.
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.
Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).
Drive real Android & iOS devices and web browsers from natural language for mobile + web QA. 290+ tools across device control, app management, automation sessions, browser automation, and flow recording / replay. Bearer-auth — get a token at robotactions.com → Profile → API Tokens.
Load testing and synthetic monitoring platform: test with Playwright, Browser Bot, or Protocol Bots.
Talk with Upforge Echo, compare services and proof, or request a human-approved project review.
Scan URLs or HTML for WCAG 2.2 violations. 75-rule manifest, weighted score, shareable reports.
Guardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.
Runs your code against a contract; HELD or BROKE at the exact input. Deterministic. 0.10 USDC/call.
What is known to be broken in an MCP server or API operation, with the check that found it.
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.
Verify artifacts, hand off public state, and record, check and find evidence about capabilities.
Compare two versions of a JSON row list: what was added, removed or changed, field by field.
Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.
Check what a paid x402 endpoint or MCP server delivered, from probes anyone can repeat.
Scan any website or MCP server for agent readiness: 0-100 score, a fix per failing check. Free.
Pixel-perfect webpage screenshots rendered in a real browser, full-page or viewport, via one POST.
Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.