Kin Score › Agent readiness › A2A Agent Card
Agent-readiness dimension

A2A Agent Card

8 of 139 agent-readiness points 5.8% of the agent scoregraded — partial credit agent_card

The provider serves a machine-readable agent discovery manifest at the A2A well-known path (/.well-known/agent-card.json, RFC 8615), advertising its identity, capabilities, skills, endpoint and auth. Weighted above agent_skills despite low adoption for a structural reason: an agent card is the only agent surface in this rubric that CANNOT be derived on a provider's behalf — it is served from the provider's own host or it does not exist. Where mcp_server, agent_skills and agentic_access can all credit an artifact API Evangelist authored, this one is provider-published by construction, and so is immune to the provenance defect that distorts the others.

315providers publish it
1.2%of the 26,590 it applies to
179at full credit
136at partial credit

How it is scored

One signal, read from what the provider publishes, worth 8 points of the 139 in the agent-readiness score.

Signal the scorer readsPoints
a2a/<slug>-a2a.yml manifest, graded on conformance.grade against A2A 1.0.08

Grades and what each earns

This dimension is graded rather than pass/fail: how the signal was evidenced decides what fraction of the points it earns.

GradeCreditPointsProviders
conformant1.0×8.0179
near-conformant0.6×4.836
flavored0.25×2.0100
invalid0.0×0.00

Top providers

All 315 providers publishing this signal, ranked by credit earned, ties broken by composite.

1 Xquik8.0 conformantexemplar 2 OneSignal8.0 conformantexemplar 3 Primitive8.0 conformantthin 4 ClosedLoop AI8.0 conformantstrong 5 Sirenic8.0 conformantdeveloping 6 Agent Ready8.0 conformantstrong 7 Ultravioleta DAO8.0 conformantstrong 8 FeedOracle Technologies8.0 conformantstrong 9 Leadping8.0 conformantexemplar 10 Kann KI das? Sponsoring Agent8.0 conformantdeveloping 11 Rhombus Systems8.0 conformantstrong 12 Starbridge8.0 conformantstrong 13 API Evangelist8.0 conformantexemplar 14 Emboss8.0 conformantexemplar 15 Relevance AI8.0 conformantexemplar 16 Cymetica8.0 conformantexemplar 17 Sarj AI Developer API8.0 conformantthin 18 invinoveritas8.0 conformantstrong 19 Relm8.0 conformantstrong 20 Record Creative Co. LLC8.0 conformantexemplar 21 Space Frontiers8.0 conformantstrong 22 Mavenlink8.0 conformantdeveloping 23 Hightouch8.0 conformantexemplar 24 PostalForm8.0 conformantstrong 25 Parallel Web Systems8.0 conformantstrong 26 Explorium8.0 conformantstrong 27 cogDepot8.0 conformantstrong 28 Piknik.Spot8.0 conformantdeveloping 29 ClawSpan8.0 conformantstrong 30 Vortx AI Private Limited8.0 conformantdeveloping 31 Virix Labs8.0 conformantstrong 32 Fodda (PSFK)8.0 conformantexemplar 33 Sylvia API8.0 conformantdeveloping 34 BudgetPixel8.0 conformantstrong 35 KG-NINJA8.0 conformantthin 36 Whisper Security8.0 conformantdeveloping 37 ForceDream8.0 conformantexemplar 38 Agoragentic8.0 conformantexemplar 39 AlgoVoi8.0 conformantexemplar 40 Gr4vy8.0 conformantexemplar 41 temp.md8.0 conformantstrong 42 AgentsPodium8.0 conformantstrong 43 Moirai Labs8.0 conformantdeveloping 44 Honeycomb8.0 conformantthin 45 AlphaLatitude Inc.8.0 conformantdeveloping 46 POLICYANDPLAY LTD8.0 conformantdeveloping 47 Live Direct Marketing8.0 conformantstrong 48 Move Home Organisation CIC8.0 conformantdeveloping 49 Numbers Online8.0 conformantstrong 50 2s8.0 conformantstrong 51 LVL LTD CO8.0 conformantdeveloping 52 Sendoso8.0 conformantdeveloping 53 Decision Anchor8.0 conformantdeveloping 54 AI Crawler Index8.0 conformantdeveloping 55 BuiltWith8.0 conformantdeveloping 56 TESSA Marketing & Technology8.0 conformantthin 57 Rett fra Bonden8.0 conformantdeveloping 58 XGuard8.0 conformantdeveloping 59 Clix8.0 conformantstrong 60 Wib&Wob (symbients)8.0 conformantthin 61 Macaroon Network8.0 conformantdeveloping 62 Match It Up8.0 conformantstrong 63 GitDealFlow8.0 conformantstrong 64 Neuronto ARD Registry8.0 conformantdeveloping 65 Hive Civilization8.0 conformantexemplar 66 CryptoKRI GmbH8.0 conformantstrong 67 Koala8.0 conformantstrong 68 ABBYY8.0 conformantdeveloping 69 HostDeFi8.0 conformantdeveloping 70 aicomglobal8.0 conformantstrong 71 iwant.fyi8.0 conformantstrong 72 anchor-x4028.0 conformantdeveloping 73 PoolParty8.0 conformantdeveloping 74 CONNSKILL GmbH & Co. KG8.0 conformantstrong 75 Coin Railz8.0 conformantdeveloping 76 Sunny Yuen8.0 conformantthin 77 Uphold8.0 conformantexemplar 78 Emotive8.0 conformantdeveloping 79 iDenfy8.0 conformantstrong 80 gpt55-token-gateway8.0 conformantstrong 81 PydanticAI8.0 conformantstrong 82 SchemaSure8.0 conformantdeveloping 83 ViewsMeet8.0 conformantdeveloping 84 SSSNACK8.0 conformantdeveloping 85 WunderCorp8.0 conformantdeveloping 86 Agent Exchange8.0 conformantdeveloping 87 FieldPulse8.0 conformantstrong 88 Solvela8.0 conformantdeveloping 89 Claix8.0 conformantdeveloping 90 TypeSafe AI8.0 conformantdeveloping 91 BMC XIV8.0 conformantthin 92 Sift Stack8.0 conformantstrong 93 Vaultfire Protocol8.0 conformantstrong 94 AgentMesh8.0 conformantdeveloping 95 Machine Realms8.0 conformantdeveloping 96 Superscale8.0 conformantthin 97 broke2built8.0 conformantstrong 98 A2A4028.0 conformantthin 99 Plyrium8.0 conformantdeveloping 100 The HORIZ音s株式会社8.0 conformantstrong 101 Dynamic Feed8.0 conformantstrong 102 RS Performance8.0 conformantdeveloping 103 MERCURY8.0 conformantstrong 104 Qorevia8.0 conformantthin 105 PolicyCheck8.0 conformantdeveloping 106 AGENTUM8.0 conformantdeveloping 107 IBANforge8.0 conformantthin 108 The Culture Commons8.0 conformantthin 109 AIScan8.0 conformantthin 110 Verified Digital Agents (VDA)8.0 conformantdeveloping 111 RenooLab8.0 conformantthin 112 ChainAware.ai8.0 conformantdeveloping 113 micro18.0 conformantdeveloping 114 agent402.dev8.0 conformantdeveloping 115 Enfuce8.0 conformantdeveloping 116 Avalix8.0 conformantdeveloping 117 AgentWorld8.0 conformantthin 118 Dant38.0 conformantstrong 119 Kimetsu8.0 conformantdeveloping 120 PaulieB148.0 conformantdeveloping 121 liars.town8.0 conformantthin 122 Atomadic Tech8.0 conformantstrong 123 Opplevagent8.0 conformantdeveloping 124 01Mind8.0 conformantdeveloping 125 Finn-tannlege8.0 conformantthin 126 Futureverse8.0 conformantthin 127 Pictomancer.ai8.0 conformantdeveloping 128 Ocient8.0 conformantdeveloping 129 APIMesh8.0 conformantdeveloping 130 Superset8.0 conformantminimal 131 IntentGuard8.0 conformantthin 132 Agentic AI Foundation8.0 conformantdeveloping 133 Hergert Synthora8.0 conformantdeveloping 134 WagerX8.0 conformantdeveloping 135 Travel World8.0 conformantemerging 136 allagents8.0 conformantemerging 137 Agent Failure Mode Registry8.0 conformantthin 138 CharitySense8.0 conformantdeveloping 139 Artem / A2A Sandbox8.0 conformantthin 140 AgentCheck8.0 conformantdeveloping 141 whiteclover8.0 conformantthin 142 SursaTech8.0 conformantemerging 143 Cape Partners8.0 conformantthin 144 Gogs8.0 conformantthin 145 PrivateDAO8.0 conformantdeveloping 146 Mycelnet8.0 conformantthin 147 Scro Orphan Desk8.0 conformantthin 148 X402 AI 自助门店8.0 conformantthin 149 Polycode Limited8.0 conformantdeveloping 150 openclaw / evm-lab8.0 conformantthin 151 TARXAN Inc8.0 conformantdeveloping 152 Agent Bench8.0 conformantemerging 153 Scrapfly8.0 conformantthin 154 GRITH8.0 conformantdeveloping 155 1inch8.0 conformantthin 156 Genspark8.0 conformantemerging 157 Pixeltable8.0 conformantdeveloping 158 Perkoon8.0 conformantthin 159 HaneruTo8.0 conformantthin 160 Phi Longevity8.0 conformantdeveloping 161 Co-Legal B.V.8.0 conformantthin 162 Money You're Owed8.0 conformantemerging 163 Jake Gaylor8.0 conformantemerging 164 AfterQuery8.0 conformantemerging 165 ScalpStream8.0 conformantthin 166 Grok & Mon8.0 conformantemerging 167 sapjilcoding8.0 conformantemerging 168 Buddy8.0 conformantminimal 169 Phishin8.0 conformantminimal 170 SINCOR8.0 conformantthin 171 A2APark8.0 conformantthin 172 Priorflow8.0 conformantthin 173 William8.0 conformantemerging 174 Neva8.0 conformantemerging 175 Finite State8.0 conformantthin 176 OPC / 彼岸花开8.0 conformantemerging 177 Bot Hub8.0 conformantemerging 178 ReDoc8.0 conformantthin 179 Asgardian Village · Canadian house8.0 conformantemerging 180 APIs.io4.8 near-conformantexemplar 181 Cracked API4.8 near-conformantexemplar 182 Caretta4.8 near-conformantdeveloping 183 ActiveCampaign4.8 near-conformantexemplar 184 Leadpages4.8 near-conformantdeveloping 185 anew4.8 near-conformantdeveloping 186 TaskHawk Systems4.8 near-conformantexemplar 187 Tavily4.8 near-conformantdeveloping 188 Sendcloud4.8 near-conformantexemplar 189 Pagesnap4.8 near-conformantstrong 190 SNHP4.8 near-conformantdeveloping 191 ingest0r4.8 near-conformantdeveloping 192 ANP24.8 near-conformantdeveloping 193 WRONG BEAUTY 000 / THE SWARM4.8 near-conformantthin 194 Marz Greta-Lock Network4.8 near-conformantdeveloping 195 Hive Agent IQ4.8 near-conformantdeveloping 196 Decart4.8 near-conformantstrong 197 OpenSea4.8 near-conformantdeveloping 198 Novita AI4.8 near-conformantdeveloping 199 Rosentic4.8 near-conformantdeveloping 200 ARAKEL Machine Evidence Network4.8 near-conformantthin 201 Interfaze4.8 near-conformantdeveloping 202 Helius4.8 near-conformantthin 203 Luther Systems4.8 near-conformantdeveloping 204 TrueFoundry4.8 near-conformantdeveloping 205 Chado Studio4.8 near-conformantthin 206 Vidyard4.8 near-conformantexemplar 207 Requesty4.8 near-conformantdeveloping 208 AppliedAI (AAICO)4.8 near-conformantthin 209 ChilledSites4.8 near-conformantthin 210 沈阳百事通网络科技有限公司4.8 near-conformantthin 211 TensorFeed4.8 near-conformantminimal 212 Kaxo Technologies4.8 near-conformantthin 213 FastMCP4.8 near-conformantemerging 214 Urantia Papers4.8 near-conformantminimal 215 Model Context Protocol (MCP)4.8 near-conformantthin 216 Taskfolk2.0 flavoredstrong 217 Agentcard2.0 flavoredstrong 218 The Colony2.0 flavoredstrong 219 Sageox2.0 flavoredemerging 220 Cloudflare2.0 flavoredexemplar 221 Meow2.0 flavoredemerging 222 Customer.io2.0 flavoredexemplar 223 Curlec2.0 flavoredstrong 224 Art Blocks2.0 flavoredthin 225 IntegrationOS2.0 flavoredstrong 226 Nylas2.0 flavoredexemplar 227 Delx2.0 flavoredexemplar 228 The Ainglish Project2.0 flavoredstrong 229 Dash02.0 flavoredstrong 230 Lacuna2.0 flavoredstrong 231 brick.blue2.0 flavoreddeveloping 232 Deployxa2.0 flavoredstrong 233 ClawdChat 虾聊2.0 flavoreddeveloping 234 Monday.com2.0 flavoredthin 235 Brale2.0 flavoredstrong 236 Permutive2.0 flavoreddeveloping 237 Agent Disco2.0 flavoredstrong 238 Green Helix2.0 flavoredstrong 239 Attio2.0 flavoredthin 240 Streamkap2.0 flavoredthin 241 WikiKV2.0 flavoredthin 242 א. ט. הפקות בע״מ / A.T. Hafakot Ltd.2.0 flavoredstrong 243 Phos Labs2.0 flavoreddeveloping 244 Block Lottos2.0 flavoredstrong 245 Criteo2.0 flavoredstrong 246 MandateShield2.0 flavoredexemplar 247 SMKlog2.0 flavoreddeveloping 248 Savvly2.0 flavoredemerging 249 Smartlead2.0 flavoredstrong 250 RoxyAPI2.0 flavoredstrong 251 Apstal2.0 flavoreddeveloping 252 GONNA2.0 flavoreddeveloping 253 DELTA Witness — Trust Layer for Autonomous Actions2.0 flavoredthin 254 Berrer2.0 flavoredthin 255 MUJ428 LLC2.0 flavoreddeveloping 256 Velvt2.0 flavoredthin 257 Hilos2.0 flavoreddeveloping 258 Seekr2.0 flavoredexemplar 259 Agent Zero2.0 flavoreddeveloping 260 HumanMirror2.0 flavoredstrong 261 BuyWhere2.0 flavoreddeveloping 262 AVORA Agent Forge2.0 flavoredthin 263 FarmDash Agent Hub2.0 flavoreddeveloping 264 Pinecone2.0 flavoredstrong 265 Rockerbox2.0 flavoreddeveloping 266 Luminary Lane2.0 flavoredthin 267 CanFly2.0 flavoreddeveloping 268 Seshat Markets2.0 flavoreddeveloping 269 Digital Intensity Ltd2.0 flavoreddeveloping 270 TrustBoost PII Sanitizer2.0 flavoreddeveloping 271 WarpPay402 Studio2.0 flavoreddeveloping 272 Gravitee2.0 flavoredstrong 273 Nefesh AI2.0 flavoredstrong 274 Forter2.0 flavoredthin 275 Stack Auth2.0 flavoredemerging 276 Tigris2.0 flavoredminimal 277 Speakeasy2.0 flavoreddeveloping 278 Liquid Agent2.0 flavoreddeveloping 279 Maker.me2.0 flavoredminimal 280 IRIZ Platform2.0 flavoredemerging 281 Apideck2.0 flavoredstrong 282 R.E. Merrill & Associates, Inc.2.0 flavoredemerging 283 Tano2.0 flavoredemerging 284 Merchant-02.0 flavoredthin 285 AgMsg2.0 flavoredthin 286 Automation Preflight API2.0 flavoreddeveloping 287 AUX by PrdictionEdge2.0 flavoreddeveloping 288 Stacklok2.0 flavoredemerging 289 Razorpay2.0 flavoreddeveloping 290 Inworld AI2.0 flavoredthin 291 Inth2.0 flavoreddeveloping 292 Direct Hire2.0 flavoredthin 293 QuickNode2.0 flavoredthin 294 Teamwork.com2.0 flavoredthin 295 DEUSPROOF2.0 flavoredthin 296 Verse (autonomous agent)2.0 flavoredemerging 297 Symbiotic2.0 flavoredemerging 298 Anlora2.0 flavoredthin 299 Ambr2.0 flavoreddeveloping 300 p0stman2.0 flavoredemerging 301 KOA Labs2.0 flavoredemerging 302 AI City Social Town2.0 flavoredemerging 303 AI Dev Jobs2.0 flavoredminimal 304 Voidly2.0 flavoredminimal 305 Elderly Care Match2.0 flavoredemerging 306 digiantnz2.0 flavoredemerging 307 Moss2.0 flavoredminimal 308 Relay2.0 flavoredemerging 309 Orbit Fab2.0 flavoredminimal 310 Genie-us Software, Inc.2.0 flavoredthin 311 Glif2.0 flavoredemerging 312 HeroHunt People Search2.0 flavoredminimal 313 Suprsonic2.0 flavoredminimal 314 Scopely2.0 flavoredminimal 315 Light Anchor2.0 flavoredminimal

The other 18 dimensions

Machine-Readable ContractAgentic Access ContractDocumented ReversibilityMCP ServerMachine-Readable AuthIdempotencyStable Error SemanticsRequest/Response ExamplesRate-Limit SignalingTyped Event SurfaceAgent SkillsWell-Known CatalogConsent & Bot IdentityA2A Agent CardDry-Run / Simulate ModeDelegated User IdentityProtected Resource MetadataRegistration Without a HumanAgentic Commerce Well-Known Document
Contract QualityAccess ClarityDeveloper ErgonomicsOperational TransparencyContract GovernanceDiscoverabilityRegulatory PostureOpen Source SurfaceCreate-or-Update Ergonomics
Move this number. Every provider in the catalog is profiled from a public repository at github.com/api-evangelist/<provider>, and each check above names the exact artifact it reads. Publish the artifact, open a pull request, and the next scoring run picks it up — no gatekeeping and no fee. The full rubric is at apis.io/rating/, and the Influence plan is the fast lane if you would rather work your own listing through the API — remediation, projections and re-check requests.

Scored on rubric v0.22.0 across 26,590 providers · lists rebuilt 2026-09-23 · capped at the top 500 per page.