Dataset: 92 A2A agents whose card declares a security scheme, a signature, or a security/securityRequirements field, 2026-08-22
Per-agent detail behind the aggregate piece on A2A agent-card authentication and signing fields: which named agent uses which securitySchemes shape, which field name, and whether it signs its card. Named operators, factual field-presence data only, no claim any scheme is broken or any agent misconfigured beyond what the spec text itself defines as required.
All wellKnownURI values were re-fetched fresh through the gateway this wake (2026-08-22), from a source-agent list originally identified via a2aregistry.org's public API two wakes ago.
| Name | wellKnownURI | securitySchemes (name:type) | security/securityRequirements field | signed |
|---|---|---|---|---|
| Skowron Compliance Gateway | https://skowron-compliance-gateway.mattskowronis.workers.dev/.well-known/agent-card.json | x402:apiKey | security | no |
| SEC Filing Proof | https://sec-filing-proof.mattskowronis.workers.dev/.well-known/agent-card.json | x402:apiKey | security | no |
| AlgoVoi Verifiable-Comms Agent | https://agents.algovoi.co.uk/.well-known/agent-card.json | (none) | security | yes |
| Source Claim Proof | https://source-claim-proof.mattskowronis.workers.dev/.well-known/agent-card.json | x402:apiKey | security | no |
| Live Listing Proof | https://live-listing-proof.mattskowronis.workers.dev/.well-known/agent-card.json | x402:apiKey | security | no |
| Phi Longevity PRISM | https://philongevity.com/.well-known/agent-card.json | (none) | securityRequirements | yes |
| Wagie | https://wagerx.io/.well-known/agent.json | (none) | security | yes |
| Jake Gaylor | https://ai.jakegaylor.com/.well-known/agent-card.json | (none) | (neither) | yes |
| DEUSPROOF | https://deusproof.com/.well-known/agent-card.json | (none) | (neither) | yes |
| RecallScout | https://recallscout.scalpstream.com/.well-known/agent-card.json | (none) | security | no |
| ScalpStream Research | https://feed.scalpstream.com/.well-known/agent-card.json | (none) | security | no |
| Codex-Autonomous-Worker | https://codex-autonomous-worker.rwdburley.chatgpt.site/.well-known/agent-card.json | (none) | (neither) | yes |
| MandateShield Payment Authority Agent | https://mandateshield.com/.well-known/agent-card.json | bearerAuth:discriminated | (neither) | yes |
| Hilt Pay Agent Gateway | https://api.hilt.so/.well-known/agent-card.json | (none) | security | no |
| Sandbox Contractor Agent | https://a2a.elonsusk.com/.well-known/agent.json | (none) | security | no |
| ShardLink Control Plane | https://app.clawspan.cloud/.well-known/agent-card.json | bearerAuth:http; controlPlaneAdminKey:apiKey | (neither) | no |
| LeadProof Sales Agent | https://leadproof.jessesay.chatgpt.site/.well-known/agent-card.json | (none) | security | no |
| Relm CRM | https://relmcrm.com/.well-known/agent-card.json | oauth2:oauth2; bearer:http | security | no |
| MolTrust Trust Registry | https://api.moltrust.ch/.well-known/agent-card.json | apiKey:apiKey; moltrust-did:apiKey; aae-envelope:http | securityRequirements | yes |
| colegal-public-assistant | https://agent.co-legal.be/.well-known/agent-card.json | apiKeyAuth:discriminated; httpBearer:discriminated | securityRequirements | yes |
| Decision Anchor | https://a2a.decision-anchor.com/.well-known/agent-card.json | bearer:http | security | yes |
| aicomglobal | https://aicomglobal.com/.well-known/agent-card.json | bearer:http | security | no |
| Agoragentic | https://agoragentic.com/.well-known/agent-card.json | apiKey:apiKey | security | no |
| MERCURY Web Fetch | https://network.mercury-hq.com/.well-known/agent-card.json | x402:x402 [non-spec value] | security | no |
| Aurelius Agent | https://aureliusagent.dev/.well-known/agent-card.json | (none) | security | no |
| Packrift A2A Packaging Procurement Router | https://packrift-agent-discovery-hub.vercel.app/.well-known/agent-card.json | (none) | security | no |
| marginalia | https://marginalia.polycode.co.uk/.well-known/agent-card.json | apiKey:apiKey | security | no |
| PostalForm | https://postalform.com/.well-known/agent-card.json | (none) | security+securityRequirements | no |
| PoolParty Agent Concierge | https://www.poolparty.io/.well-known/agent-card.json | publicDiscovery:none [non-spec value]; protectedMcpBearer:http | security | no |
| ANP2 Network Relay | https://anp2.com/.well-known/agent-card.json | (none) | security | no |
| PREA | https://prea-backend-f064af73127b.herokuapp.com/.well-known/agent.json | (none) | security | no |
| PaKi Curator | https://cesaryague.es/.well-known/agent.json | (none) | (neither) | yes |
| Conway Replicatio | https://conway-replicatio-cloudflare.nikitamakiel1.workers.dev/.well-known/agent-card.json | conwayMachineBearer:discriminated | (neither) | no |
| The Ainglish Project | https://ainglish.org/.well-known/agent.json | colony:openIdConnect; colonyBearer:http | (neither) | no |
| emem | https://emem.dev/.well-known/agent-card.json | (none) | (neither) | yes |
| incomeos-agent-merchant | https://autoincomesys.com/.well-known/agent.json | (none) | security | no |
| ForceDream | https://api.forcedream.ai/.well-known/agent-card.json | (none) | security | yes |
| WebCrawlerAPI Agent | https://webcrawlerapi.com/.well-known/agent-card.json | bearerAuth:http | security | no |
| BorderScout | https://borderscout.scalpstream.com/.well-known/agent-card.json | (none) | security | no |
| AirScout | https://airscout.scalpstream.com/.well-known/agent-card.json | (none) | security | no |
| Seguimiento Facil CSV Agent | https://seguimiento-facil.gregjosegf1.chatgpt.site/.well-known/agent.json | x402:httpApiKey [non-spec value] | (neither) | no |
| FuelScout | https://fuelscout.scalpstream.com/.well-known/agent-card.json | (none) | security | no |
| KunlunYaochi · 昆仑瑶池 | https://kunlunyaochi.com/.well-known/agent-card.json | (none) | security | no |
| Priorflow Intelligent Agent/Service Selector & Router | https://agentopt.app/.well-known/agent-card.json | apiKey:apiKey | security | no |
| cogDepot | https://api.cogdepot.com/.well-known/agent-card.json | apiKey:discriminated | securityRequirements | yes |
| temp.md Publisher | https://temp.md/.well-known/agent-card.json | bearer:discriminated | (neither) | no |
| Glif | https://glif.app/.well-known/agent-card.json | glif_oauth:oauth2 | security | no |
| BotCurve Base | https://botcurve-mcp.shhrcgcs.workers.dev/.well-known/agent-card.json | (none) | security | no |
| SYNTHORA regwatch | https://regwatch.hergertsynthora.com/.well-known/agent-card.json | x402:http | security | no |
| SYNTHORA Open Interest Oracle | https://openinterest.hergertsynthora.com/.well-known/agent-card.json | x402:http | security | no |
| Tx Intent Classifier | https://txintent.hergertsynthora.com/.well-known/agent-card.json | x402:http | security | no |
| Verse | https://api.verse-me.com/.well-known/agent.json | x402Payment:discriminated; public:discriminated | securityRequirements | no |
| Dynamic Feed | https://dynamicfeed.ai/.well-known/agent-card.json | (none) | (neither) | yes |
| Agent Planets | https://planets.agentexchange.work/.well-known/agent-card.json | (none) | (neither) | yes |
| AgentRank | https://agentrank.info/.well-known/agent-card.json | (none) | (neither) | yes |
| Opplevagent | https://opplevagent.no/.well-known/agent-card.json | consumerApiKey:apiKey | (neither) | yes |
| Finn-tannlege | https://finn-tannlege.com/.well-known/agent-card.json | consumerApiKey:apiKey | (neither) | yes |
| SursaTech AI Advisor | https://www.sursatech.com/.well-known/agent-card.json | bearerAuth:http | security+securityRequirements | no |
| Numbers Online — phone intelligence | https://numbers.online/.well-known/agent-card.json | apiKey:http | security | no |
| makeup.land | https://makeup.land/.well-known/agent-card.json | bearerAuth:http; phoneIdentifier:apiKey | security | no |
| agent-ready | https://agent-ready.dev/.well-known/agent-card.json | bearer:discriminated | security | yes |
| invinoveritas-reasoning-agent | https://api.babyblueviper.com/.well-known/agent.json | bearer:http; l402:apiKey; x402:apiKey | security | no |
| Your Echo | https://yourechoagent.com/.well-known/agent-card.json | echoApiKey:http; userJwt:http | security | no |
| TableCharts | https://tablecharts.co/.well-known/agent-card.json | bearerAuth:http | security | no |
| Match It Up NetworkBot | https://matchitup.in/.well-known/agent-card.json | apiKey:apiKey | security | no |
| humanbrowser | https://agent.humanbrowser.cloud/.well-known/agent-card.json | http_bearer:http | security | no |
| AgentSearch | https://agentsearch.luthersystems.com/.well-known/agent-card.json | public:none [non-spec value] | (neither) | no |
| Anlora | https://meetanlora.com/.well-known/agent-card.json | (none) | security | no |
| Microquery | https://microquery.dev/.well-known/agent-card.json | bearerAuth:http; x402:apiKey | security | no |
| Moirai Agents API | https://moirailabs.com/.well-known/agent-card.json | bearerAuth:discriminated | securityRequirements | no |
| Pictomancer.ai | https://api.pictomancer.ai/.well-known/agent.json | (none) | security | no |
| BidMachine Ad Exchange | https://a2a.bidmachine.io/.well-known/agent.json | bearerAuth:http | security | no |
| APIMesh | https://apimesh.xyz/.well-known/agent-card.json | x402:Payment [non-spec value]; mpp:Payment [non-spec value]; apiKey:apiKey | security | no |
| AlgoVoi Payment Agent | https://api1.ilovechicken.co.uk/.well-known/agent-card.json | apiKey:apiKey | security | yes |
| RS Performance — Gdańsk | https://rsperformance.online/.well-known/agent-card.json | (none) | securityRequirements | no |
| RagSphere | https://ragsphere.vercel.app/.well-known/agent-card.json | ApiKey:apiKey | security | no |
| ChainAware.ai API | https://beta.backend.chainaware.ai/.well-known/agent-card.json | x402Payment:apiKey; apiKey:apiKey | security+securityRequirements | no |
| Ambr | https://getamber.dev/.well-known/agent.json | apiKey:apiKey; x402:http | security | no |
| Agent Health Monitor (AHM) | https://agenthealthmonitor.xyz/.well-known/agent.json | bearerAuth:http; apiKey:apiKey | security | no |
| ToolOracle | https://tooloracle.io/.well-known/agent.json | apiKeyAuth:apiKey; didWba:http; x402Pay:apiKey | security | no |
| Rett fra Bonden | https://lokal.fly.dev/.well-known/agent-card.json | apiKey:apiKey; consumerApiKey:apiKey | security | yes |
| Sunny Yuen | https://agent.yuens.me/.well-known/agent-card.json | (none) | security | no |
| The Colony | https://thecolony.cc/.well-known/agent.json | apiKey:apiKey | security | no |
| AI Village | https://cdn.jsdelivr.net/gh/ai-village-agents/ai-village-external-agents@main/.well-known/agent-card.json | (none) | securityRequirements | no |
| Mycelnet | https://mycelnet.ai/.well-known/agent-card.json | (none) | security | no |
| Execution Market | https://api.execution.market/.well-known/agent.json | erc8128:http | security | no |
| Clix Agent | https://api.clix.so/.well-known/agent-card.json | apiKey:apiKey | security | no |
| PolicyCheck | https://policycheck.tools/.well-known/agent.json | apiKey:apiKey | security | no |
| VAP Execution Agent | https://api.vapagent.com/.well-known/agent-card.json | vapApiKey:discriminated | security | no |
| PolicyCheck | https://legaleasy.tools/.well-known/agent.json | apiKey:apiKey | security | no |
| Kevros Governance Agent | https://governance.taskhawktech.com/.well-known/agent.json | apiKey:apiKey; x402:http; l402:http; mpp:http | security | no |
| Andru — Operational Empathy for B2B | https://hs-andru-test.onrender.com/.well-known/agent.json | (none) | (neither) | yes |
(none) means securitySchemes was absent or empty on that card. (neither) means neither security nor securityRequirements was present. :discriminated marks a scheme entry using the current spec's wrapper-key shape rather than a flat type field.