`register_agent`

66 servers reported a tool by this name when we called them. Names are chosen by whoever wrote the server, so two tools sharing a name do not have to do the same thing. We record what was reported, not what it does.

server	result when we called it	tools
AgentLot Public MCP Edge https://agentlot.io/mcp	answers-mcp	124
com.wingmanprotocol.agent/gateway https://agent.wingmanprotocol.com/mcp	answers-mcp	57
com.wingmanprotocol.agent/gateway https://wingmanprotocol.com/mcp	answers-mcp	57
Molt2Meet https://molt.molt2meet.com/mcp	answers-mcp	54
Laravel MCP Server https://api.ceki.me/mcp/agent	answers-mcp	50
nw-terminal https://namewhisper.ai/mcp	answers-mcp	44
agentsfinance-ai https://tdueqhfxyojmjgactdyc.supabase.co/functions/v1/mcp-server	answers-mcp	43
conductorrelay-mcp https://www.conductorrelay.com/mcp	answers-mcp	40
humanpages https://humanpages.ai/mcp	answers-mcp	40
lastping-mcp https://mcp.lastping.dev	answers-mcp	36
com.sssnack/sssnack https://sssnack.com/api/mcp	answers-mcp	35
AgentPub https://mcp.agentpub.org/mcp/	answers-mcp	34
latticenet https://latticenet.ai/mcp	answers-mcp	33
omniology https://omniology-engine.fly.dev/mcp	answers-mcp	32
Decision Anchor https://mcp.decision-anchor.com/mcp	answers-mcp	30
duami https://duami.ai/mcp	answers-mcp	29
anamized-desk https://anamized.grok.me/mcp	answers-mcp	29
vertical-marketplace https://verticalmarketplace.ai/api/mcp	answers-mcp	27
agent-commons https://agent-commons.alexlabs.dev/mcp	answers-mcp	27
ai.wiplash/wiplash https://mcp.wiplash.ai/mcp	answers-mcp	26
mnemosyne https://mnemosyne.tripnet.be/mcp	answers-mcp	24
verseworks https://verseworks.top/mcp	answers-mcp	24
exmachina-ai https://exmachina-ai.fly.dev/mcp	answers-mcp	23
promptdna https://mcp.promptdna.org/v1/	answers-mcp	20
prxhub https://prxhub.com/api/mcp	answers-mcp	19
the-data-commenter https://datacommenter.com/wp-json/tdc/v1/mcp	answers-mcp	17
relayzero-mcp https://relayzero.ai/mcp	answers-mcp	17
birdfury https://birdfury.com/api/mcp	answers-mcp	16
moltchat https://moltchat-agent-commons.onrender.com/mcp	answers-mcp	16
pronto-mcp https://pronto.stream/mcp	answers-mcp	15
agent-bounty-jobs https://bounty.brelsfordsoftware.com/mcp	answers-mcp	14
agentspub https://mcp.agentspub.ai/mcp	answers-mcp	14
agent-hub https://agent-hub-henna.vercel.app/api/mcp	answers-mcp	14
agent-hub https://agentreputation.dev/api/mcp	answers-mcp	14
delvorn https://delvorn.site/api/mcp	answers-mcp	13
kairos-signal-mcp https://kairossignal.com/mcp	answers-mcp	12
hogswap https://hogswap-v1.liquihog.dev/mcp/	answers-mcp	12
agentdeals https://agentdeals-production.up.railway.app/mcp	answers-mcp	12
agentdeals https://agentdeals.dev/mcp	answers-mcp	12
123skills https://123skills.site/mcp	answers-mcp	12
agent-coliseum https://agentarena.nanocorp.app/api/mcp	answers-mcp	11
pdao-agent-exchange https://agents.privatedao.org/mcp	answers-mcp	11
the drain https://thedrain.ai/mcp	answers-mcp	10
novarail https://agentnet-api.onrender.com/mcp	answers-mcp	10
sibfly https://sibfly.com/mcp	answers-mcp	9
SolvScore https://solvscore.com/mcp	answers-mcp	9
zooidfund-mcp https://fcefnmdlggldmfusydix.supabase.co/functions/v1/mcp	answers-mcp	9
workprotocol https://workprotocol.ai/api/mcp	answers-mcp	9
5arz https://mcp.5arz.com	answers-mcp	9
Arcology Knowledge Node https://arcology-mcp.fly.dev/mcp	answers-mcp	9
cyphrex-remote-mcp https://mcp.cyphrex.io/mcp	answers-mcp	9
htmlweb https://mcp.htmlweb.ru/	answers-mcp	9
zzboard https://zzboard.net/mcp	answers-mcp	8
oaia-arena https://api.oaia.fun/mcp	answers-mcp	7
agent-resolve https://agent-resolve-mcp.onrender.com/mcp	answers-mcp	7
agent-hub https://hub.videtion.com/mcp	answers-mcp	6
agent-identity-registry-agent https://mcp.viridisconservation.com/identity/mcp	answers-mcp	6
harvey-budget https://budget.rugslayer.com/mcp	answers-mcp	6
moltspace https://moltspace.lol/mcp	answers-mcp	6
picoads https://picoads.xyz/mcp	answers-mcp	6
jobero https://jobero.ai/mcp	answers-mcp	5
yo https://getyo.dev/mcp	answers-mcp	5
netstate https://netstate.co/mcp	answers-mcp	4
GovBid Global API https://govbid-mcp-server.gaikotsuimageprocessing.workers.dev/mcp	answers-mcp	4
agentcommunity https://agentcommunity.org/mcp	answers-mcp	4
agent-arena https://agentarena.site/api/mcp	answers-mcp	3

66 of these answered an MCP handshake on the day we checked. That is not a promise the tool works, only that the server was running and told us the tool existed.