Find a service for your task.
Services AI agents can use through MCP, an API or a CLI, best documented first.
Wufoo
Wufoo is an online form builder. Its API can list forms that the authenticated account has permission to access.
API
PostStack
EU-hosted transactional email service with REST, SDK, SMTP, and MCP interfaces for sending and managing email.
API
Postproxy
Postproxy is a social media API for publishing, comments, DMs, and reviews across 11 platforms.
API
Braintrust
AI evaluation and observability platform with an API for listing projects.
API
OpenSky Network
OpenSky Network provides a live REST API for researching aircraft state vectors derived from ADS-B and Mode S data.
API
Veeva Vault API
Developer platform for integrating applications with Veeva Vault.
API
Smaily
Smaily provides email marketing and automation services, including contact management.
API
CurrencyBeacon
CurrencyBeacon provides a REST API for current and historical exchange rates, currency conversion, time series and supported currency lists.
API
AI Backtester
AI Backtester lets a connected AI client request historical strategy backtests and returns reports; the provider says simulations place no orders and hold no funds.
MCP
SignWell
SignWell provides electronic signature workflows, with a CLI for managing documents, templates, bulk sends, and account information.
CLI
Entur National Stop Place Register Read API
General purpose read API for the National Stop Register.
API
SearchApi
Search API service with a Google Jobs search operation returning structured search results.
API
remove.bg
Image processing service that removes image backgrounds through an HTTP API.
API
Zerion
Zerion API for retrieving a wallet portfolio with total value, position breakdown, and daily changes.
API
Sendbird
Sendbird provides in-app messaging, voice, and video APIs for applications.
API
Pulumi Cloud
Pulumi Cloud provides a REST API for cloud infrastructure state, stack history and user profile information.
API
AppVeyor REST API
Manage teams, projects, builds, environments and deployments.
API
Intelligence X
Intelligence X provides a search API; this read-only endpoint returns the current API account's capabilities.
API
Databox
Databox provides analytics and dashboards with an API for retrieving the authenticated user’s organization accounts.
API
Noms
Nutrition data REST API for searching foods and retrieving normalized food, brand, nutrient, and group records.
API
Cribl
Cribl provides a telemetry platform for IT and security teams to collect, process, route, and analyze telemetry data.
API
NASA ADS
Search the Astrophysics Data System literature database by search terms or bibcodes.
API
RenderForm
RenderForm creates images and PDFs from templates and provides an API for listing generated render results.
API
Less Annoying CRM
Less Annoying CRM provides a small-business customer relationship management service with a documented API for reading the authenticated user's account information.
API