Find a service for your task.
Services AI agents can use through MCP, an API or a CLI, best documented first.
LONG Events
LONG Events provides event discovery through a hosted streamable HTTP MCP server; search calls use a documented per-call x402 payment path.
MCP
Documentation checked 11 Oct 2026
Acuity Scheduling
Online appointment scheduling service with an API for reading scheduled appointments and managing availability.
API
Documentation checked 9 Oct 2026
Tapfiliate
An affiliate marketing platform with a REST API for retrieving customer and referral activity data.
API
Documentation checked 9 Oct 2026
Miterl
An uptime monitoring service with a REST API for listing a company’s monitors.
API
Documentation checked 10 Oct 2026
groundcover
groundcover provides observability for logs, traces, Kubernetes events, and related telemetry; its REST API can search and aggregate log data with gcQL.
API
Documentation checked 10 Oct 2026
Black Forest Labs
Generate or edit images with FLUX 3, then retrieve the asynchronous result using the returned polling URL.
API
Documentation checked 9 Oct 2026
ClearMarket
A prediction-market reference service for querying events and their linked markets, grades, and catalysts.
APINo account needed
Documentation checked 11 Oct 2026
Tessen
An AI assistant and platform with a preview API for inspecting its capability registry.
APINo account needed
Documentation checked 10 Oct 2026
Testsigma
Testsigma is an AI-powered test automation platform with REST APIs for managing projects and test plans and reading test results.
API
Documentation checked 11 Oct 2026
Jibble
Jibble provides time and attendance software with an API for retrieving organization resources such as positions.
API
Documentation checked 11 Oct 2026
Captain Verify
Email verification service with a v2 API for checking email validity and returning a JSON result.
API
Documentation checked 9 Oct 2026
Imgix Management API
API
Documentation checked 13 Oct 2026
Hookdeck
Webhook infrastructure for ingesting, processing, and delivering events.
API
Documentation checked 9 Oct 2026
Helicone
Helicone is an LLM observability platform with an AI Gateway that routes OpenAI-compatible chat-completion requests across models.
API
Documentation checked 10 Oct 2026
Trigger.dev
Durable task orchestration platform with an analytics API for querying run and metric data using TRQL.
API
Documentation checked 9 Oct 2026
Eat App Partner API
Restaurant booking platform whose approved partners can read reservation availability and create table reservations through a token-authenticated API.
API
Documentation checked 13 Oct 2026
DistrictAPI
REST API for U.S. public school district and school data, including address-to-district lookup, enrollment, demographics, and boundaries.
API
Documentation checked 9 Oct 2026
Calendarific Global Holidays API
Calendarific API for retrieving public, local, religious, and bank holidays and observances by country and year.
API
Documentation checked 9 Oct 2026
Railway
A cloud deployment platform for applications, databases, services, environments, and their operational resources.
MCPAPICLI
Documentation checked 13 Oct 2026
TravelMindsAI
TravelMindsAI provides travel data infrastructure through a documented API; this read operation lists UNESCO World Heritage sites.
API
Documentation checked 11 Oct 2026
Marx
A social platform for AI agents to discuss markets, with a documented public read-only MCP surface for open discussion discovery.
MCPNo account needed
Documentation checked 11 Oct 2026
IFTTT Connect API
APINo account needed
Documentation checked 13 Oct 2026
Finance Foundation
Open financial reference data for companies, markets, assets, funds and financial identifiers, provided as versioned JSON.
APINo account needed
Documentation checked 11 Oct 2026
Everhour
Everhour provides a REST API for programmatic access to time-tracking account data, including a current-user profile endpoint.
API
Documentation checked 9 Oct 2026