MCP servers, called rather than listed

Every remote server in the official MCP registry, sent one real initialize handshake. 16,923 servers across 11,823 hosts.

Search what these servers can do · read the measurement

Last checked 2026-09-06. We send a handshake, we do not authenticate and we do not call a tool.

Gated is not broken. 4,068 of these servers answer with a 401 or 403. They are running and want a credential we do not have. A checker that treats them as dead is wrong about 24.0% of the registry before it starts, so we count them separately and always will.

16,923 matching.

serverresulttoolshost
io.github.Br0ski777/word-counter
https://word-counter-x402-production.up.railway.app/mcp
404 not listed word-counter-x402-production.up.railway.app
io.github.BricePourLe13/merx
https://mcp.merxprotocol.eu/mcp
gated, needs a credential not listed mcp.merxprotocol.eu
io.github.BrightSiteHQ/brightsite
https://onbrightsite.com/api/mcp
gated, needs a credential not listed onbrightsite.com
io.github.Brightdotdev/darwin-rag
https://your-host.com/mcp
unreachable not listed your-host.com
io.github.Brock-Denton/tokenmaxxing
https://www.trytokenmaxxing.com/api/mcp
gated, needs a credential not listed www.trytokenmaxxing.com
io.github.BuildPulseLLC/buildpulse-mcp
https://mcp.buildpulse.io/mcp
answered, not MCP not listed mcp.buildpulse.io
io.github.ByteBunny-io/nanocart-mcp
https://mcp.nanocart.io/mcp
gated, needs a credential not listed mcp.nanocart.io
io.github.COSAI-Labs/toolpipe
https://assessing-scoop-authorities-sheet.trycloudflare.com/mcp
unreachable not listed assessing-scoop-authorities-sheet.trycloudflare.com
io.github.COSAI-Labs/toolpipe-mcp-server
https://toolpipe.dev/mcp
answered, not MCP not listed toolpipe.dev
io.github.CSOAI-ORG/a2a-governance-bridge-mcp
https://api.meok.ai/v1/a2a/governance-bridge
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-audit-logger-mcp
https://api.meok.ai/v1/a2a/audit-logger
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-commerce-payments-mcp
https://api.meok.ai/v1/a2a/commerce-payments
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-commerce-protocol-mcp
https://api.meok.ai/v1/a2a/agent-commerce-protocol
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-content-watermark-mcp
https://api.meok.ai/v1/governance/agent-content-watermark
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-cost-allocator-mcp
https://api.meok.ai/v1/a2a/agent-cost-allocator
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-data-residency-mcp
https://api.meok.ai/v1/a2a/data-residency
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-delegation-mcp
https://api.meok.ai/v1/a2a/delegation
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-handoff-certified-mcp
https://api.meok.ai/v1/a2a/handoff-certified
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-identity-trust-mcp
https://api.meok.ai/v1/a2a/identity-trust
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-incident-relay-mcp
https://api.meok.ai/v1/a2a/agent-incident-relay
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-mcp-router-mcp
https://api.meok.ai/v1/a2a/agent-mcp-router
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-negotiation-mcp
https://api.meok.ai/v1/a2a/negotiation
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-orchestrator-mcp
https://api.meok.ai/v1/a2a/orchestrator
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-policy-enforcement-mcp
https://api.meok.ai/v1/a2a/policy-enforcement
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-prompt-injection-firewall-mcp
https://api.meok.ai/v1/a2a/prompt-injection-firewall
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-rate-limiter-mcp
https://api.meok.ai/v1/a2a/rate-limiter
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-replay-debugger-mcp
https://api.meok.ai/v1/a2a/agent-replay-debugger
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-token-budget-mcp
https://api.meok.ai/v1/a2a/agent-token-budget
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/agent-x402-paywall-mcp
https://api.meok.ai/v1/a2a/agent-x402-paywall
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/bft-progress-council-mcp
https://api.meok.ai/v1/a2a/bft-progress-council
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/eudi-wallet-mcp
https://api.meok.ai/v1/a2a/eudi-wallet
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/gspc
https://councilof.ai/api/assess
JSON-RPC error not listed councilof.ai
io.github.CSOAI-ORG/iso-42005-impact-mcp
https://api.meok.ai/v1/governance/iso-42005-impact
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/korea-ai-basic-act-mcp
https://api.meok.ai/v1/governance/korea-ai-basic-act
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/mcp-spec-compliance-mcp
https://api.meok.ai/v1/dev/mcp-spec-compliance
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-aaif-agent-card-mcp
https://api.meok.ai/v1/a2a/aaif-agent-card
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-abci-bridge-mcp
https://api.meok.ai/v1/dev/meok-abci-bridge
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-agents-md-lint-mcp
https://api.meok.ai/v1/dev/agents-md-lint
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-ap2-mandate-mcp
https://api.meok.ai/v1/a2a/ap2-mandate
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-cra-art14-reporter-mcp
https://api.meok.ai/v1/governance/cra-art14-reporter
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-eu-ai-act-art-13-ifu-mcp
https://api.meok.ai/v1/governance/eu-ai-act-art-13-ifu
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-eu-ai-act-art-26-fria-mcp
https://api.meok.ai/v1/governance/eu-ai-act-fria
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-eu-aia-art-9-rms-mcp
https://api.meok.ai/v1/governance/eu-aia-art-9-rms
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-eu-aigc-icon-mcp
https://api.meok.ai/v1/governance/eu-aigc-icon
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-mcp-cardgen-mcp
https://api.meok.ai/v1/dev/mcp-cardgen
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-mcp-hardening-mcp
https://api.meok.ai/v1/dev/meok-mcp-hardening
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-mcp-test-mcp
https://api.meok.ai/v1/dev/meok-mcp-test
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-stripe-acp-checkout-mcp
https://api.meok.ai/v1/a2a/stripe-acp-checkout
unreachable not listed api.meok.ai
io.github.CSOAI-ORG/meok-w3c-tdm-rights-mcp
https://api.meok.ai/v1/governance/tdm-rights
unreachable not listed api.meok.ai
io.github.CTRLabs/ctrl-mcp
https://ctrl.build/api/mcp
answered, not MCP not listed ctrl.build
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