emerging · 0.0 marketcapability domainschema

Agent Discovery

Score 20.7 / 100 14 providers +7 via APIs 17 APIs Search apis.io →
Business capabilities this tag reaches
Information & Data Management 1

Providers using this tag (14)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 2 Complete, well-documented, and agent-ready
APIs.ioAPI AggregationAPI DirectoryAPI DiscoveryAPI Indexing20 APIs93.6FeedOracle TechnologiesCompanyMCPAgent InfrastructureA2A10 APIs70.1
Strong 2 Solid coverage with minor gaps
aicomglobalAgentsAgentic CommerceA2AMCP2 APIs62.2brick.blueAI AgentsAgent MarketplaceTask Exchange2 APIs57.4
Developing 5 Usable, with meaningful gaps to close
AgentMeshAI AgentsAgent NetworksA2A2 APIs51.8Luther SystemsAgentsMCPA2A4 APIs50.1AGNTCYAI AgentsInteroperabilitySpecificationOpen Source5 APIs49.0KimetsuCompanyAI AgentsAgent MemoryCoding Agents4 APIs45.0Machine RealmsAgentsA2AMCPResearch2 APIs43.2
Thin 2 Limited public surface area
Direct HireCompanyAgentsAI AgentsA2A4 APIs35.9PriorflowAI AgentsAgent SelectionA2A1 API31.9
Emerging 2 Early or largely undocumented
KOA LabsAgentsMCPA2A2 APIs26.1Agentic Resource Discovery (ARD)Agentic Resource DiscoveryARDAI Catalog2 APIs23.6
Minimal 1 Almost no public developer surface
Asgardian Village · Canadian houseCompanyA2AAI Agents1 API8.9

APIs with this tag (17)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 1 Complete, well-documented, and agent-ready
OracleNet A2A AgentA2A 0.3 JSON-RPC agent at https://tooloracle.io/a2a/jsonrpc (message/send, tasks/*, push-notification confi...70.1
Strong 2 Solid coverage with minor gaps
Airia Agent Discovery APIThe AgentDiscovery API from Airia — 1 operation(s) for agentdiscovery.64.0ArthurAI Agent Discovery APIThe Agent Discovery API from ArthurAI — 2 operation(s) for agent discovery.58.4
Developing 9 Usable, with meaningful gaps to close
Photon Agent discovery APIMachine-readable discovery resources for agents and integrations.52.8AgentMesh MCP ServerHosted streamable-HTTP MCP server at https://app.agentmesh.link/mcp (MCP protocol 2025-06-18, server versio...51.8TARX Courier and Souls APIPlain REST endpoints on tarx.com documented only for visiting AI agents in we.txt, skill.md and courier.md:...50.4Agent Directory (DIR)Distributed announce and discovery of multi-agent systems. gRPC-first, with services for storage (content-a...49.0Agent2Agent (A2A)Agent2Agent (A2A) is an open protocol that lets AI agents built by different organisations, on different fr...48.9GRITH Gate A2A AgentThe A2A 1.0 JSON-RPC bridge at https://grithgate.com/api/a2a (also on grithland.com and grithhold.com), des...44.9Marz Greta-Lock Network A2A Agent CardA2A agent card served at /.well-known/agent-card.json (aliases /.well-known/agent.json and /.well-known/age...43.4Machine Realms A2A AgentAgent2Agent 1.0 surface: an agent card at https://machinerealms.com/.well-known/agent-card.json (version ne...43.2Machine Realms Network APIPublic HTTP+JSON surface indexed at https://machinerealms.com/api/v1 and /.well-known/machine-realms.json: ...43.2
Thin 2 Limited public surface area
Direct Hire A2A Meta-AgentDirect Hire's A2A v1.0 discovery agent, published at /.well-known/agent-card.json with a JSON-RPC interface...35.9Priorflow Intelligent Agent/Service Selector APIOne operation: POST /v1/select with JSON {query, top_n?, constraints?, weights?, caller_agent?} returns ord...31.9
Emerging 2 Early or largely undocumented
BotMarket MCP ServerRemote Model Context Protocol server at https://botmarket.bot/mcp (JSON-RPC 2.0 over HTTP, POST only, proto...26.1BotMarket REST APIAnonymous JSON read surface for the BotMarket directory at https://botmarket.bot/v1 — documented in llms.tx...26.1
Minimal 1 Almost no public developer surface
Asgardian Village A2A Agent CardA2A agent card served at https://asgardian-village.grok.me/.well-known/agent-card.json (HTTP 200, applicati...8.9

Companies reaching this through an API (7)

These companies publish an API, specification or operation carrying “Agent Discovery” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Agentic AI Foundation Airia ArthurAI GRITH Marz Greta-Lock Network Photon TARXAN

Score breakdown

Frequency
40.9
log-scaled weighted occurrences
Breadth
0.3
spread across providers
Quality lift
50.6
mean composite of providers using it
Cohesion
1.7
strength of nearest seed neighbor

Related tags

A2A 19 co-occurrences A2A Verified 14 co-occurrences x402 5 co-occurrences Agent-Native 9 co-occurrences Discovery 5 co-occurrences AI Agents 12 co-occurrences Agents 11 co-occurrences MCP 17 co-occurrences

Where this tag comes from

Api tag17
Provider tag14
Openapi tag3
Openapi op tag6

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Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

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This tag 
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As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/agent-discovery"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/agent-discovery/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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