"Free image analysis tool" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Analytics for MCP servers. Query your tool calls, first-call success, retries and schema cost.
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.
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.
npm package trends and weekly downloads over time. Free key at trendsmcp.ai
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.
Scores a business's online presence 0–100 and names the top issues to fix — search visibility, whether AI assistants can read and recommend it, speed and first impression, trust, and how easy the business is to reach. Give the scan_website tool a URL and it returns the score with the top issues, in chat. English and Arabic. By BottleTech (bottletech.net).
Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.
GEO visibility tests, score trends, sitemap discovery, and domain monitoring for AI agents.
Agent cost, latency and quality analysis, report delivery and order status. Crypto payments paused.
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.
Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
Free owned-agent uptime monitoring, DNS domain proof, signed alerts and opt-in endpoint checks.
Free no-storage MCP that checks A2A Agent Card connection readiness for authorized targets.
npm releases: Node package versions, daily. $0.01/query. Register in-session — free testnet funds.
Free uptime monitoring: HTTP/TCP/TLS/DNS + MCP server checks, cron heartbeats, status pages, alerts.
Check if an MCP server tool changed or hides injection patterns before you trust it.
Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.