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 4 Complete, well-documented, and agent-ready

Salesforce Pub/Sub APIThe Salesforce Pub/Sub API is a gRPC-based API for publishing and subscribing to platform events, change da...88.8 ClickHouse gRPC InterfacegRPC interface defined by clickhouse_grpc.proto for efficient binary communication.72.0 Qlik Server-Side Extension ProtocolgRPC/protobuf contract for extending the Qlik Associative Engine with external compute. A plugin implements...71.0 Service Cloud Pub/Sub APIThe gRPC event API. Publish and subscribe to platform events and Change Data Capture events (including /dat...70.4

Strong 10 Solid coverage with minor gaps

Spectro Cloud Grpc APIThe grpc API from Spectro Cloud — 1 operation(s) for grpc.65.9 Hermes Search Engine gRPC APISelf-hosted, MIT-licensed Rust search engine published by Space Frontiers (github.com/SpaceFrontiers/hermes...63.4 Nakama APIThe Nakama API is the core REST and WebSocket API for Heroic Labs' open-source game backend server. It prov...58.8 Junos Telemetry Interface (JTI)Streaming telemetry from Junos and Junos EVO devices to a collector over gRPC (gNMI and native sensors) or ...58.7 Sift gRPC APIThe gRPC contract that is Sift's primary API — 51 services and 330 RPCs defined across 66 proto3 files publ...57.4 daglo Realtime Streaming STT (gRPC)Bidirectional gRPC streaming speech recognition served from apis.daglo.ai. The provider publishes the proto...57.0 Salesforce Pub/Sub APIgRPC-based API for publishing and subscribing to platform events, change data capture events, and real-time...56.6 Goldmane Flows APIGoldmane is the Calico flow aggregation and network-observability service introduced in Calico Open Source ...56.0 Tailor Platform Operator APIThe Tailor Platform control plane. A single tailor.v1.OperatorService with 254 RPCs covering organizations,...54.9 Decart Oasis Action-to-Video (gRPC)A gRPC session protocol for Oasis 3 Preview, Decart's promptable real-time world model. A client initialize...54.5

Developing 45 Usable, with meaningful gaps to close

AimDK Protocol (Link-U OS Robot Interface)The AimDK protocol is AgiBot's first-party Protocol Buffers definition of its robots' interfaces, published...53.5 bitdrift Public APIThe bitdrift Capture public API — schema-first protobuf service definitions exposed over gRPC, Connect, and...52.8 Arango Managed Platform (AMP) APIThe control-plane API of the Arango Managed Platform (formerly ArangoGraph Insights Platform / Oasis) — the...52.7 Antimetal Agent APIs (Protobuf)Public protobuf/Connect definitions for the Antimetal system agent — the component that connects customer i...52.5 Kaiko StreamReal-time crypto market data delivered over gRPC server-streaming. Feeds include tick-level trades, top-of-...50.9 Agentic RTB Framework gRPCThe Agentic Real-Time Framework (ARTF) 1.0 defines gRPC extension points an exchange calls during an auctio...50.8 Bruno API ClientBruno is an open-source API client for exploring and testing REST, GraphQL, and gRPC APIs. Collections are ...50.4 Bruno API ClientThe core open-source, git-native desktop API client (a lightweight Postman/Insomnia alternative). Compose a...50.4 Zenoss Cloud gRPC ServicesFirst-party proto3 service contracts published at github.com/zenoss/zenoss-protobufs and released as a Go m...50.1 Luther Platform Protobuf ContractsBuf-managed Protocol Buffers published at github.com/luthersystems/protos (module buf.build/luthersystems/p...49.6 Aptos Transaction Stream APIgRPC streaming API that delivers historical and real-time transaction data from the Aptos blockchain. Used ...49.5 Agent Directory (DIR)Distributed announce and discovery of multi-agent systems. gRPC-first, with services for storage (content-a...49.0 0G DA (Data Availability) gRPCgRPC surface for the 0G data-availability layer. The Disperser service accepts blobs asynchronously (Disper...48.8 etcd gRPC APIThe etcd v3 API is a gRPC-based interface providing key-value operations (put, get, delete, range), watch s...48.5 Defakto Management APIThe Defakto control-plane API. A gRPC service surface of sixteen versioned services covering trust domains,...48.1 SPIRL Management API (legacy)The pre-rebrand SPIRL control-plane endpoint, still documented and still serving the legacy app.spirl.com c...48.1 KurrentDB gRPC APIThe primary protocol for KurrentDB. The published protocol buffer definitions cover the v2 streams service ...46.8 Telia ACE Audio Stream Forwarding APIBidirectional streaming gRPC service over HTTP/2 that forwards copies of the audio streams in Telia ACE con...46.8 MAVSDK gRPC APIMAVSDK is the Dronecode Foundation's programmable interface to any MAVLink vehicle, and the only surface in...46.6 Rigetti QCS Controller Service (gRPC)gRPC Controller service that executes encrypted Controller Jobs on a Rigetti QPU endpoint and returns measu...46.6 Rigetti QCS Translation Service (gRPC)gRPC Translation service that compiles native Quil programs into encrypted Controller Jobs for execution on...46.6 RegScale gRPC Ingestion ServicesRegScale publishes a gRPC contract library, rs-data, covering three high-volume ingestion services: AssetIn...46.5 HappyCo API (Happy API)HappyCo's gRPC API for property inspections, reports, templates, accounts, users, partner account provision...46.1 Akash Chain Node (gRPC / REST / RPC)Direct access to the Akash Cosmos-SDK chain over gRPC, REST (LCD), and Tendermint RPC. Used to query state,...46.0 Bazel Remote Execution APIBazel speaks the open Remote Execution API (REAPI), a gRPC protocol for content-addressable storage and dis...46.0 Picarro Edge — SAM FOUP gRPC APIThe first-party gRPC/ProtoBuf interface Picarro publishes for external access to Picarro SAM (semiconductor...45.5 Picarro Platform Server APIThe gRPC interface to the host computer underneath a Picarro SAM deployment. `platformserver` exposes NetCo...45.5 Bear Base APIThe on-robot gRPC service for direct local control of a Bear robot, used where the cloud is not in the path...45.1 Starlink Local Device APISpaceX's officially supported local gRPC API on Starlink hardware, defined in protobuf and published verbat...43.3 Sui gRPC APIThe Sui full-node gRPC API (Protobuf, sui.rpc.v2) exposing LedgerService, StateService, TransactionExecutio...43.0 Cerbos PDP gRPC APIThe Cerbos PDP gRPC API exposes the cerbos.svc.v1.CerbosService and related management services on port 359...42.7 Rentberry Geocoder (gRPC)Open-source gRPC geocoding and timezone-lookup service Rentberry built and runs for its own property search...42.7 Envoy xDS APIsThe xDS (x Discovery Service) APIs provide dynamic configuration for Envoy proxies via a management server,...42.6 Hubble Relay APIThe Hubble Relay API is a gRPC service that aggregates and relays network flow data from multiple Hubble ag...42.6 SPIRE Server APIThe SPIRE Server exposes a gRPC API used by administrators and the SPIRE Agent to manage registration entri...42.4 SPIRE Workload APIThe SPIRE Agent exposes the SPIFFE Workload API as a Unix domain socket, allowing workloads running on the ...42.4 Triton One Yellowstone gRPC (Dragon's Mouth)Dragon's Mouth — Triton's high-performance Solana streaming gRPC service. Subscribe to slots, blocks, trans...42.2 LinQ Wallet Public APIgRPC / Protocol Buffers API for integrating a game with LinQ Wallet services. Covers geo restriction checks...41.6 Envoy Gateway Extension ServerA gRPC contract an operator implements to extend Envoy Gateway. Envoy Gateway is the client: during xDS tra...40.9 Envoy Gateway Remote Infrastructure ProviderA gRPC contract added in v1.9.0 that lets an operator supply their own infrastructure management strategy i...40.9 Sora APIgRPC service for collecting, storing and analysing device location time series. DeviceService (5 RPCs) take...40.6 Contour ExtensionService APIKubernetes Custom Resource Definition for binding gRPC-based extension services to the Contour API. Extensi...40.0 QORTEX DTC APIThe QORTEX DTC API is the integration surface of Quanergy's detect-track-classify perception server. A gRPC...39.9 ImandraX APIThe ImandraX cloud-native automated reasoning engine, exposed as a protobuf-defined gRPC API. Services incl...39.8 Synse Plugin gRPC API (V3Plugin)The internal gRPC API for bi-directional communication between Synse Server and Synse plugins. The publishe...39.8

Thin 65 Limited public surface area

Cisco NX-OS gNMI/gRPC APIgRPC Network Management Interface for streaming telemetry and configuration management on Nexus switches.39.2 Milvus gRPC APIgRPC is the canonical, high-throughput interface to Milvus. The official SDKs are gRPC-based; the REST API ...38.7 OpenTelemetry Protocol (OTLP) gRPC APIThe OTLP gRPC API defines Protocol Buffers service definitions for exporting traces, metrics, and logs over...38.6 Jito Block Engine Validator gRPCgRPC interface between Jito-Solana validators / relayers and the Block Engine — BlockEngineValidator with S...37.6 Jito Relayer gRPCRelayer gRPC service that sits in front of a Jito-Solana validator, exposing GetTpuConfigs and SubscribePac...37.6 Jito Searcher gRPC ServicegRPC SearcherService exposing SubscribeBundleResults, SendBundle, GetNextScheduledLeader, GetConnectedLeade...37.6 Jito Streaming SurfacesReal-time streaming surfaces from Jito infrastructure — the wss tip_stream for continuous bundle-tip percen...37.6 Triton GRPC APIHigh-performance gRPC API for model inference with support for streaming and binary tensor data.36.7 Vitess VTCtld APIVTCtld is the Vitess topology management daemon that exposes a gRPC and HTTP API for administrative operati...36.4 Vitess VTGate APIVTGate is the stateless proxy that routes queries to the appropriate VTTablet instances. It exposes a MySQL...36.4 Spacetime Federation API (East-West Interface)The Federation API, or East-West Interface, allows peer networks to request and to supply network resources...36.3 Spacetime Northbound Interface (NBI)The Northbound Interface allows humans or applications to define and orchestrate a Spacetime network. It ca...36.3 Spacetime Southbound Interface (SBI / CDPI)The Southbound Interface, also called the Control to Data-plane Interface (CDPI), is the collection of gRPC...36.3 Spacetime Status APIThe Status API is a small operational gRPC service exposed by every Spacetime instance. GetVersion returns ...36.3 QUODD Snap gRPC APIgRPC delivery of pricing snapshots (Snap) and ticker information (Ticker Info) for high-performance, low-ov...36.2 OpenXBuild Real-Time Bidstream APIAn inverted API — OpenX is the caller. A partner implements an enrichment service that OpenX hosts as a con...36.1 OpenMLDB Cluster RPC ServicesThe Protobuf/brpc service contracts behind an OpenMLDB cluster — TabletServer, NameServer, TaskManager, the...36.0 Pocket Network Shannon Chain APICosmos SDK-based REST and gRPC API for interacting with the Pocket Network Shannon protocol chain. Provides...36.0 Envoy Proxy External Authorization APIThe Envoy External Authorization API provides a gRPC or HTTP interface for delegating authorization decisio...35.9 Envoy Proxy External Processing APIThe Envoy External Processing API is a gRPC-based service that enables an external server to inspect and mo...35.9 Envoy Proxy gRPC Access Log Service APIThe Envoy gRPC Access Log Service (ALS) API provides a streaming gRPC interface for receiving access log en...35.9 Envoy Proxy Health Discovery Service APIThe Envoy Health Discovery Service (HDS) is a gRPC-based API that enables a management server to instruct E...35.9 Envoy Proxy Metrics Service APIThe Envoy Metrics Service API is a gRPC-based interface for streaming Envoy's statistics and metrics to a r...35.9 Envoy Proxy Rate Limit Service APIThe Envoy Rate Limit Service (RLS) is a gRPC-based API that allows Envoy to delegate rate limiting decision...35.9 Envoy Proxy Tap Service APIThe Envoy Tap Service API provides a mechanism for intercepting and recording HTTP and TCP traffic passing ...35.9 Linkerd Proxy Control Plane APIThe Linkerd Proxy Control Plane gRPC API defines the protobuf service contracts used by the data-plane prox...35.9 Jaeger Collector APIThe Jaeger Collector API receives trace spans from instrumented applications and SDKs. Since Jaeger v1.11 t...35.5 Jaeger Remote Sampling APIThe Jaeger Remote Sampling API provides HTTP and gRPC endpoints that SDKs use to retrieve sampling strategi...35.5 Jaeger Remote Storage APIThe Jaeger Remote Storage API is a gRPC-based interface that allows extending Jaeger with custom storage ba...35.5 Falco gRPC APIThe Falco gRPC API provided a streaming interface for consuming Falco alert outputs and querying version in...35.4 QuickNode Core RPC APIMulti-chain JSON-RPC, REST, and gRPC endpoints across 77+ blockchains (Ethereum, Solana, Polygon, Arbitrum,...35.1 OpenSCOW / CraneSched research-computing APIsOpenSCOW ("Super Computing On Web") is an HPC portal and management system authored at Peking University; C...33.9 CRI-O CRI gRPC APICRI-O implements the Kubernetes Container Runtime Interface (CRI) gRPC API that the kubelet uses to manage ...33.3 Cassandra gRPC API (Stargate)High-performance gRPC API for Cassandra through Stargate, designed for low-latency service-to-service commu...33.1 Code Protobuf APIThe Code payments gRPC/Protobuf API — account, currency, messaging, and transaction (intent/swap) services ...33.1 Hailo Media Library ServiceThe Hailo Media Library is the C++ media and vision stack for the Hailo-15 AI vision processor. It exposes ...32.9 SPIFFE Workload APIThe SPIFFE Workload API is a gRPC streaming interface through which workloads request and receive SPIFFE Ve...32.9 Towns ProtocolTowns Protocol is an open, decentralized messaging protocol built on Base. Builders integrate via first-par...32.8 Helius LaserStreamLow-latency gRPC streaming of Solana account, slot, transaction, and block updates (Geyser-compatible).32.4 Seldon Inference APIThe Seldon Inference API provides REST and gRPC endpoints for serving machine learning model predictions at...32.0 Anduril Lattice SDKThe Lattice SDK provides programmatic access to Anduril's Lattice platform so partners can publish entities...31.9 Vert.x gRPCA Vert.x-native gRPC implementation providing a reactive, non-blocking gRPC client and server built on top ...31.9 Akave IPC Node gRPC APIgRPC services IPCNodeAPI and IPCArchivalAPI (package ipcnodeapi) used by the Akave Go SDK and CLI to talk t...31.8 Akka gRPCAkka gRPC provides support for building streaming gRPC servers and clients on top of Akka Streams, with cod...31.4 Cresta Platform APICresta's production API host. https://api.cresta.com resolves and answers anonymously with a gRPC-JSON tran...31.4 Thru gRPC APIHigh-performance proto3 gRPC API (with gRPC-Web for browsers) for the Thru blockchain. QueryService exposes...31.2 Mango OPI Storage Bridge gRPC APIMangoBoost ships an Open Programmable Infrastructure (OPI) gRPC bridge that translates standard OPI storage...30.8 Containerd gRPC APICore gRPC API for managing the full container lifecycle including containers, images, content, snapshots, n...30.0 Harmonic Searcher API (gRPC)gRPC bundle-submission interface for searchers. Authenticate with a Solana keypair (challenge-response to B...29.9 Harmonic Validator API (gRPC)gRPC services the Harmonic validator clients (Salsa/Samba) use to bind to a block builder: subscribe to pac...29.9 TypeSpec Protobuf EmitterEmits Protocol Buffer `.proto` files from TypeSpec service definitions, enabling gRPC service generation fr...29.7 Provenance Blockchain APIPublic Cosmos SDK REST (LCD / gRPC-gateway), gRPC, and Tendermint RPC interface to the Provenance Blockchai...29.4 Apache Arrow Flight RPCArrow Flight is a high-performance RPC framework built on gRPC for transferring large datasets using the Ar...29.3 HYPERLABS Radium gRPC API (TDR11100)Public gRPC control and acquisition interface for the HYPERLABS TDR11100 Time Domain Reflectometer. The pro...28.9 Apache Beam Job Service APIThe Beam Job Service API provides a gRPC-based interface for submitting, managing, and monitoring Apache Be...28.8 KratosKratos is a Go framework for building cloud-native microservices, originally created at Bilibili. It provid...27.9 XMTP Network gRPC APICore gRPC-based API for the XMTP decentralized messaging network. Provides operations for sending and retri...27.2 HARIX Robot Skill API (gRPC)The gRPC surface a HARIX skill application uses to drive a CloudMinds cloud robot and to consume HARIX clou...27.0 SeaweedFS gRPC APIgRPC services exposed by SeaweedFS cluster components (Seaweed master, VolumeServer, SeaweedFiler, SeaweedS...27.0 FirehoseOpen-source flat-file extraction layer that powers Substreams. Provides chain-specific gRPC streams of bloc...26.7 The Graph SubstreamsgRPC streaming protocol for parallelized blockchain dataflows backed by Firehose. Substreams power high-thr...26.7 Pachyderm gRPC APIPachyderm's platform API, exposed over gRPC/protobuf. Core services are PFS (data versioning — repos, commi...26.6 StellarStation APIPublic gRPC API for the StellarStation ground-station-as-a-service platform. Lets satellite operators list ...26.4 Tailcall GraphQL RuntimeHigh-performance GraphQL runtime for composing multiple upstream REST, gRPC, and GraphQL APIs into a unifie...26.3 Bitquery Solana CoreCast (gRPC)gRPC streaming API for Solana that delivers decoded block, transaction, and instruction data with sub-secon...26.2

Emerging 23 Early or largely undocumented

Nuance Mix ASRaaS gRPC APIAutomatic Speech Recognition as a Service — convert speech to text in real time over a gRPC streaming API (...25.1 Nuance Mix DLGaaS gRPC APIDialog as a Service — execute conversational dialog flows authored in Mix.dialog over a gRPC Dialog service.25.1 Nuance Mix NLUaaS gRPC APINatural Language Understanding as a Service — interpret user input against NLU models built in Mix.nlu, ove...25.1 Nuance Mix NRaaS gRPC APIGrammar-based recognition as a Service — grammar-driven speech recognition over a gRPC runtime service.25.1 Nuance Mix TTSaaS gRPC APIText-to-Speech as a Service — turn text into synthesized speech (including neural voices) over a gRPC Synth...25.1 Kestrel Kubernetes OperatorThe Kestrel Kubernetes Operator is an open-source Go-based operator that connects Kubernetes clusters to th...25.0 BandChain gRPC APIThe BandChain gRPC API provides high-performance protocol buffer access to BandChain nodes for querying ora...24.5 Protocol BuffersProtocol Buffers (Protobuf) is Google's language-neutral, platform-neutral, extensible mechanism for serial...24.5 PyBand Python SDKPyBand is a Python SDK that offers a comprehensive set of features for interacting with BandChain via gRPC....24.5 Lightwalletd gRPC APIA bandwidth-efficient gRPC service that provides a compact block streaming interface to the Zcash blockchai...23.2 Apache SkyWalking gRPC Data Collect ProtocolThe SkyWalking data collection protocol defines gRPC service definitions for telemetry data ingestion from ...22.4 PyAnsysOpen-source Python ecosystem for Ansys products. The pyansys metapackage bundles 45+ libraries including Py...21.7 Boston Dynamics Spot SDKThe Spot SDK is an open-source SDK for developing applications and payloads for the Spot quadruped robot. B...20.8 Tekton Results APITekton Results provides a long-term store and a gRPC + REST API for completed PipelineRun/TaskRun records a...20.8 EigenDA Churner APIgRPC service that handles operator registration via the Churn RPC. The Churner decides whether new operator...18.6 EigenDA Disperser APIgRPC API exposed by the EigenDA Disperser. Rollups submit raw blobs to DisperseBlob, then poll GetBlobStatu...18.6 EigenDA Relay APIgRPC service exposing GetBlob, GetChunks, and GetValidatorChunks against blobs stored by the relay layer. R...18.6 EigenDA Retriever APIgRPC service that fans out chunk requests to EigenDA operator nodes and reconstructs the original blob from...18.6 EigenDA Validator Node APIgRPC API served by EigenDA operator nodes. Validators receive chunk dispersals from the Disperser, sign agg...18.6 Dex gRPC APIgRPC management API for Dex covering OAuth2 client lifecycle (Create, Get, Update, Delete, List), password ...18.3 Dash Platform DAPI (Decentralized API)Decentralized HTTP API exposing gRPC and JSON-RPC endpoints for both Dash Core layer 1 and Dash Platform la...14.2 YaakYaak is an open-source desktop API client for organizing and executing REST, GraphQL, WebSockets, Server Se...13.9 VOLTHAVOLTHA (Virtual Optical Line Termination Hardware Abstraction) is an open source platform that virtualizes ...11.9

Minimal 5 Almost no public developer surface

Grpcurlgrpcurl is an open source command-line tool for interacting with gRPC servers, like curl for gRPC with supp...10.0 KreyaKreya is a GUI client for gRPC and REST APIs with innovative features for environments, authorizations, and...10.0 Ezyezy is a graphical gRPC and gRPC-Web client for testing and debugging gRPC services with an intuitive deskt...4.6 Apparatus (Topl) Node and Genus gRPC APIThe gRPC interface to the Apparatus (Topl) blockchain: NodeRpc on the Bifrost full node for submitting tran...0.0 test.ai ClassifiergRPC service that classifies UI element screenshots into semantic labels. A single RPC, ClassifyElements, t...0.0

Companies reaching this through an API (68)

These companies publish an API, specification or operation carrying “gRPC” 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.

0G Labs 4Paradigm Akash Network Akka Anduril Industries Ansys Antimetal Apache Beam Apache Cassandra Apache SkyWalking ArangoDB Band Protocol Bazel Bitquery Bruno Cerbos Cilium Cisco Nexus Dashboard ClickHouse Contour CRI-O Dash Envoy Envoy Proxy Etcd Falco Helius Here Not There Labs IAB Tech Lab Jaeger Jito Labs Juniper Networks Kaiko Kestrel LF Broadband Linkerd Luther Systems MangoBoost Milvus OpenTelemetry Peking University Pocket Network Qlik Sense QuickNode QUODD RegScale Rentberry Rigetti Computing Salesforce Salesforce Sales Cloud

Show all 68 companies ↓

Salesforce Service Cloud APIs Seldon Space Frontiers Spectro Cloud SPIFFE SPIRE Starlink Swift Navigation Tekton Telia Company The Graph Tigera Triton Inference Server TypeSpec Vert.x Vitess XMTP Zcash

Score breakdown

Frequency

63.0

log-scaled weighted occurrences

Breadth

2.0

spread across providers

Quality lift

36.5

mean composite of providers using it

Cohesion

6.4

strength of nearest seed neighbor

Where this tag comes from

Api tag152

Provider tag92

Openapi tag1

Openapi op tag1

Markets provisional

Kin Score markets whose measured providers carry this tag. Share is the fraction of the market's measured providers that carry it — it describes the market, not this tag.

Market	Share of the market's providers
Buf Schema Registry (public Protocol Buffers modules, gRPC / ConnectRPC schema publishers)	58%

Cohort brief

Auto-generated

The 90 providers in the APIs.io catalog tagged gRPC, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

all scored

Mean Kin Score

34.8

+12.6 vs catalog 22.2

Mean Agent Readiness

20.1

+8.1 vs catalog 12

Spread

0–78

median 34.3 · σ 15.3

How the 90 split by band

Exemplar 1Strong 7Developing 29Thin 34Emerging 12Minimal 7

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	50.5	23.2	+27.3	90
Contract Quality	30.5	17.2	+13.3	90
Operational Transparency	26.1	13	+13.1	90
Discoverability	65.6	57.9	+7.7	90
Contract Governance	8	6.5	+1.5	90
Access Clarity	24.6	23.9	+0.7	90

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	20%	13%	+7
MCP server (first-party)	19%	12%	+7
Agent Skills	0%	0%	0
OAuth scopes	10%	11%	-1
Security	96%	98%	-2
Arazzo workflows	2%	2%	0
Governance rules	14%	16%	-2

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Postman 78
2 Stack Moxie 64.5
3 Buf 63.9
4 Viam 59.2
5 Heroic Labs 58.8
6 Sift Stack 57.4
7 Nord Security 56.9
8 Tailor 54.9
9 Kentik 54
10 AgiBot 53.5

Work with this as data

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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.

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gRPC

Providers using this tag (90)

APIs with this tag (152)