"Free Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.
Analytics for MCP servers. Find out which of your tools agents get wrong. MCPulse shows you which tools AI agents retry, which come back empty, and which they never call at all. Two lines inside your own server. It never sees your arguments or your results. getmcpulse.com
Free-trial AI fleet spend meter. Quote agent fleet spend from token usage. 100 calls or 14 days. No auth. Official MCP Registry: io.github.mtardy90-sudo/bootlace-ai-spendmap.
npm package trends and weekly downloads over time. Free key at trendsmcp.ai
Privacy-first, cookieless web analytics hosted in the EU. Ask about visitors, pages, traffic sources, countries, goals, funnels and live traffic for your sites, and set up sites, goals and funnels. 25 tools. OAuth 2.1 sign-in in the browser, or an API key as a Bearer token.
Rights-aware censorship, China-economic status, and tamper-evident AI evaluation tools.
Monitor public pages with source URLs, timestamps, hashes, text diffs and signed webhooks. One daily monitor is free for 30 days; the $9, 30-day pass adds five monitors at a 15-minute minimum interval, 15,000 checks and change history. No auto-renewal. Public connection supports preflight and offer tools; obtain a key on the website (POST /v1/keys/free for the free tier) and pass api_key to monitor tools. Public text/HTML/JSON/XML up to 3 MB; no browser rendering or login bypass. Hosted commercial service; engine and source remain private.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
SSRF-safe web intelligence: 4 outcomes, 43 paid x402 tools, 3 free tools and a URL preview.
Free anonymous website, DNS, email and TLS checks, plus monitor read and opt-in write access.
12 HTTP tools (8 free, 4 x402). GSPC board + Ed25519 + trust counts. Measure, never certify.
Read-only WooCommerce checkout and revenue incident diagnosis using privacy-safe store signals and public release evidence.
Check WooCommerce checkout-change risk using public evidence and privacy-safe store signals.
Public read-only demo of Netmon's network monitoring tools over a recorded snapshot.
Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.
Public record of one read only walk over the official MCP registry: who answered, tools, who pays.
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
Vouch — independently measured reliability scores for MCP tools, not self-reported claims.
Free owned-agent uptime monitoring, DNS domain proof, signed alerts and opt-in endpoint checks.
Observatory operated and funded by devlo: real tools on frozen tasks; intervals, cost, limits.
