Feature
MCP Server
Model Context Protocol server for AI agents.
94 providers
575 APIs
75 declared variants
The provider publishes a Model Context Protocol server so agents and assistants can call its capabilities as tools without a bespoke integration. The fastest-growing surface in the catalog.
94 API providers on the APIs.io network offer mcp server. The highest-rated are Messagebird, ActiveCampaign, Novu, Postman, Merge.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 15 Complete, well-documented, and agent-ready
MessagebirdMessageBird, which trades as Bird, is a Dutch cloud communications company whose platform carries email, SM...ActiveCampaignActiveCampaign is a marketing automation and customer experience platform used by more than 180,000 busines...NovuNovu is the open-source notification infrastructure for developers. A single REST API and workflow engine r...PostmanPostman is the world's leading API platform, used by 35+ million developers to design, build, test, documen...MergeMerge is the connective infrastructure for production AI. The Merge Unified API offers one API surface acro...KnockKnock is notifications infrastructure as a service — a product and customer messaging platform you use to p...CloudflareCloudflare is a global network designed to make everything you connect to the Internet secure, private, fas...APIMaticAPIMatic is a developer experience platform for APIs that specializes in automated SDK generation, API docu...Commerce LayerCommerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m...falfal (Features and Labels, Inc.) is a generative media platform providing the world's fastest API for runnin...AvalaraAvalara helps businesses of all sizes get tax compliance right. We deliver cloud-based solutions that work ...HealthieHealthie is a cloud, API-first EHR and practice management platform purpose-built for digital health startu...WSO2WSO2 API Manager is an open-source API management platform supporting REST, SOAP, and GraphQL with flexible...TaboolaTaboola (NASDAQ: TBLA) is a New-York-headquartered native and discovery advertising company founded in 2007...DeelDeel is a global workforce platform combining payroll, Employer of Record (EOR), independent contractor man...
Strong 32 Solid coverage with minor gaps
S&P GlobalS&P Global (NYSE SPGI) is the parent of S&P Global Ratings, S&P Global Market Intelligence, S&P Dow Jones I...CumulocityCumulocity is an enterprise AIoT (Artificial Intelligence of Things) platform that connects, manages, and a...FastlyFastly is an edge cloud platform that helps customers create great digital experiences quickly, securely, a...Better StackBetter Stack is an infrastructure monitoring and observability platform that combines uptime monitoring, he...E2BE2B (e2b-dev) provides secure, isolated cloud sandboxes for AI agents and AI-generated code, built on a for...BuildkiteBuildkite is a hybrid CI/CD platform that combines a hosted control plane (pipelines.buildkite.com) with se...Tomorrow.ioTomorrow.io is a Boston-based weather intelligence platform combining a global proprietary numerical weathe...parcelLabparcelLab is a Munich-headquartered post-purchase experience platform (parcelLab GmbH) used by retailers in...FireblocksFireblocks is an institutional digital-asset and stablecoin infrastructure company providing MPC-secured cu...GitHub CopilotAPIs and resources for GitHub Copilot, an AI pair programmer that helps you write code faster.PropelAuthPropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz...Apollo.ioApollo.io is a sales intelligence and go-to-market platform combining a database of 240M+ contacts and 30M+...StytchStytch is an authentication and identity infrastructure provider. Its Consumer and B2B APIs cover passwordl...PrismaticThe integration platform for B2B SaaS teams. Prismatic empowers everyone on your team with integration tool...OktaOkta is the workforce identity incumbent — its Identity Cloud platform (also called the Okta Workforce Iden...Solo.ioSolo.io is a cloud-native application-networking company founded in 2017 that builds enterprise and open-so...BoomiBoomi is a leading integration platform that allows organizations to connect applications, data, and people...WalmartWalmart is a multinational retail corporation that operates a chain of hypermarkets, discount department st...Arcade.devArcade.dev (formerly Arcade AI) is the MCP runtime for production AI agents — a platform that lets agents s...emnifyemnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN...HyperbolicHyperbolic is an open-access AI cloud and decentralized GPU marketplace serving 200,000+ builders with affo...GreyNoise IntelligenceGreyNoise Intelligence collects and analyzes Internet-wide scan and attack traffic from a global network of...ExaExa is a web search API and AI research platform built specifically for LLMs and agents — semantic and keyw...WHOOPWHOOP is a fitness and recovery wearable platform providing a REST API for accessing sleep, recovery, strai...FigmaFigma is a collaborative interface design tool with a comprehensive REST API for accessing and manipulating...Leonardo.AILeonardo.AI is an Australian generative-AI company (acquired by Canva in July 2024) offering a Production A...TruliooTrulioo is a Vancouver-based global identity verification platform that operates GlobalGateway, a single-AP...US Census BureauThe U.S. Census Bureau is the federal statistical agency responsible for producing data about the American ...CivitaiCivitai is the largest open community for Stable Diffusion, SDXL, Flux, and video AI models — hosting over ...ConektaConekta is a Mexico-based payment processor that lets businesses accept credit and debit cards, OXXO cash v...PipedreamPipedream is a developer-centric integration platform providing three product lines: Workflows (code-level ...AgentGatewayAgentGateway is an open-source, AI-native proxy and gateway for routing, observing, and governing traffic t...
Developing 27 Usable, with meaningful gaps to close
EncoreEncore is a backend application framework and developer cloud that lets engineering teams build type-safe d...SpeakeasyThe platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform ...OxylabsOxylabs is a Lithuanian (Vilnius-based) web intelligence platform providing premium proxy networks (Residen...ApidogApidog is an all-in-one API development platform that connects the entire API lifecycle: visual API design,...1NCE1NCE is a Cologne-headquartered global IoT connectivity provider best known for the IoT Lifetime Flat — a s...ToolhouseToolhouse is a Backend-as-a-Service platform for building, deploying, and managing "AI workers" (Toolhouse'...Instabug (Luciq)Instabug — now rebranded as Luciq — is an agentic mobile observability platform covering bug reporting, cra...Bright DataBright Data is an Israeli web data platform and operator of the world's largest legitimate residential prox...WunderGraphFull Lifecycle API Management for (Federated) GraphQL. Schema Registry, composition checks, analytics, metr...CrewAI CloudCrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ...Apollo GraphQLApollo Graph, Inc. — trading publicly as Apollo and Apollo GraphQL — is the San Francisco company behind th...APIContextAPIContext (formerly APImetrics) is a synthetic API testing, monitoring and conformance platform. It calls ...BifrostBifrost is a high-performance open-source AI gateway that unifies access to 20+ AI providers through a sing...ContinueContinue is the open-source AI code assistant for VS Code and JetBrains, distributed under Apache 2.0. The ...Agentic AI FoundationThe Agentic AI Foundation (AAIF) is a Linux Foundation project, announced 9 December 2025, that gives the c...WeatherAPIWeatherAPI.com provides real-time, forecast, historical, marine, future, astronomy, air quality, pollen, sp...Aligned NewsAligned News is an AI-native intelligence and news platform that synthesizes AI-powered briefings from 63 c...ChoreoWSO2 Choreo is an enterprise-grade Internal Developer Platform (IDP) and application orchestration platform...BlockdaemonBlockdaemon is an institutional blockchain infrastructure company founded in 2017 by Konstantin Richter. It...StackOneStackOne is an AI-powered embedded integration platform as a service (iPaaS) designed to simplify and accel...WrikeWrike is a collaborative work management platform used by 30,000+ organizations. The Wrike Developer Platfo...APIToolkit (Monoscope)APIToolkit (now Monoscope) is an open-source-friendly API observability and monitoring platform that helps ...Epidemic SoundEpidemic Sound is a Stockholm-based royalty-free music and sound effects licensing platform for video creat...ActivepiecesActivepieces is an open-source, no-code automation platform that enables users to streamline workflows by c...LangflowLangflow is an open-source low-code visual builder for AI agents, RAG pipelines, and LangChain-based workfl...LakeraLakera is an AI security company building runtime defenses for generative AI applications. Its flagship Lak...Apache DorisApache Doris is a high-performance, real-time analytical database based on MPP (Massively Parallel Processi...
Thin 15 Limited public surface area
ACI.devACI.dev (Aipolabs Agent-Computer Interface) is an open-source tool-calling platform that hooks AI agents in...AppiumAppium is an open-source test automation framework governed by the OpenJS Foundation, designed to facilitat...ApifyApify is a full-stack web scraping and browser automation platform that enables developers to build, run, a...io.netio.net is a decentralized GPU network for AI compute, built on Solana, that aggregates idle consumer and da...WixWix is a cloud-based web development platform that allows users to create professional websites and online ...KnitKnit is a unified API platform for B2B products, AI agents, and MCP clients, providing integrations infrast...FactoryFactory is an agent-native software development platform whose Droids act as autonomous AI engineers that p...Eyevinn TechnologyEyevinn Technology is a Stockholm, Sweden based video streaming consultancy and open source company special...SourcegraphSourcegraph is a code intelligence platform that lets developers and AI agents search, navigate, understand...The Philadelphia InquirerThe Philadelphia Inquirer is the largest newspaper in Pennsylvania, owned by the nonprofit Lenfest Institut...GlamaGlama is an all-in-one AI workspace combining an MCP server marketplace and registry, a managed MCP gateway...Agent SkillsA collection of resources, APIs, and standards related to AI agent skills and capabilities. Agent skills re...IsometricIsometric is a London- and New York-based certifier of climate solutions building an AI-native, science-led...SiteMinderSiteMinder is an Australian hotel commerce platform (ASX SDR) that connects hotels with more than 450 onlin...BlissfullyBlissfully was a SaaS management platform providing SaaS discovery, spend optimization, and workflow automa...
Emerging 5 Early or largely undocumented
NxNx is a smart, fast, extensible monorepo build system and integrated CI platform created and maintained by ...CasdoorCasdoor is an open-source, AI-first identity and access management (IAM) and MCP gateway authentication ser...FastMCPFastMCP is the fast, Pythonic framework for building Model Context Protocol (MCP) servers, clients, and app...Refact.aiRefact.ai is an open-source, local-first AI coding assistant and autonomous software-engineering agent buil...AutoGen StudioAutoGen Studio is a low-code / no-code developer GUI from Microsoft Research for rapidly prototyping, compo...
What Providers Actually Declared
This feature is a canonical term. These are the free-text strings
providers wrote in their own apis.yml that map onto it.
1NCE MCP Server (Python) exposes the 1NCE Management API to LLM agents over Model Context ProtocolAI Coding Agent Support (MCP Server)AI voiceover generation via the MCP server (browse artists, generate, status, download)Agent Handler MCP server surface for AI agentsAgents SDK on Durable Objects with WebSockets, scheduling, MCP supportApidog MCP ServerCitySDK JavaScript library and official Census Data API MCP server for AI assistantsCommunity SDKs (Python `hedgertronic/whoop`, MCP server `shashankswe2020-ux/whoop-mcp`)Continue Hub registry for sharing assistants, blocks, models, rules, prompts, docs, and MCP serversDeel MCP Server for AI agent integration with Claude Code, Cursor, and other MCP clientsDewey MCP ServerDocumentation MCP server at docs.emnify.com/_mcp/server for AI client integration (Claude Code, Cursor)Downloadable single-file MCP server for Claude Code, Claude Desktop, Cursor, and WindsurfEncore MCP Server exposing services, traces, metrics, source, and docs to AI agentsExa MCP server and Websets MCP server for agent tool integrationFastMCP Server, Client, and AppsFireblocks MCP Server for AI agentsGenerate MCP ServersHealthie Dev Assist — official MCP server for AI-assisted Healthie developmentHosted MCP server at mcp.bird.com (credential-less OAuth) plus local stdio via the bird CLIHosted MCP server exposing Standard, protocols, and docs to AI agentsHosted remote MCP server at https://mcp.apollo.io/mcp over Streamable HTTP with OAuth 2.0 — no API key, no local installKnock MCP server (remote) at mcp.knock.app/mcp — OAuth 2.1 + PKCE; tool groups for resources, commits, debug, data, and docsLocal MCP server for the Metrics API (commercelayer/mcp-server-metrics) for AI-agent accessLuciq MCP Server with 10 tools across applications, crashes, occurrences, app hangs, bugs, reviewsMCP (Model Context Protocol) client — attach any local or remote MCP server as agent toolsMCP (Model Context Protocol) tool integration via `autogenstudio/mcp` and `/api/mcp` routesMCP GatewayMCP Gateway and MCP server integrations that expose sandboxes as tools to Claude, ChatGPT, and other MCP clientsMCP IntegrationMCP ServerMCP Server ConnectivityMCP Server DeploymentMCP Server GenerationMCP Server IntegrationMCP Server MonitoringMCP Server SupportMCP Server for AI AgentsMCP Server for AI-driven Fastly controlMCP Server for agentic KYB integrations
Showing 40 of 75 declared variants
Work with this as data
Every feature here is available over the APIs.io API and to AI agents over MCP. Features is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.