Developer API Directory
Every developer API in our index, ranked by agentic readiness. All entries expose at least one programmatic signal agents can discover at build time.
5556
Sites Indexed
39
Avg Score
1700 entries in this directory
MCP Server Spot - The #1 MCP Servers Directory & Learning Hub
mcpserverspot.com
Discover, compare, and learn about Model Context Protocol (MCP) servers. The most comprehensive directory of MCP servers for AI applications like Claude, Cursor, and more.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
GrapeRoot — Give your codebase a brain
graperoot.dev
Dual-Graph is a local MCP tool that makes AI coding assistants dramatically smarter by giving them a deep, structured understanding of your codebase. Works with Claude Code and Codex.
API
AI bots
developer
20
+15 structured API
+5 AI robots
missing +25 llms.txt
Nursing Home Reviews, Rankings & Info | NursingHomeDatabase.com
mcp.nursinghomedatabase.com
Reviews, rankings and info about nursing homes and owners so you can make informed decisions about healthcare options.
AI bots
Schema.org
MCP
developer
20
+10 MCP
+5 AI robots
missing +25 llms.txt
Pipelex — Executable AI Methods for information processing
pipelex.com
MTHDS is the open standard for executable AI methods — the shared artifact between business, agents, and engineering. Pipelex is the reference runtime.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
M
Tripitaka MCP — Pāli Canon for AI agents, offered as Dhamma Dāna
mcp.tripitaka-mcp.com
An MCP server giving AI agents (Claude, Cursor, etc.) the ability to search and cite the Pāli Canon. Free, non-commercial, full Tipiṭaka coverage at parity with SuttaCentral.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
M
20
+15 structured API
+5 AI robots
missing +25 llms.txt
AppsFlyer | Modern Marketing Cloud
appsflyer.com
Unify measurement, deep linking, data collaboration, and AI across mobile, web, CTV, console and beyond. Make smarter decisions, optimize every channel, and prove impact with the platform built for modern marketing.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Reverse Video Search — Find Any Video's Original Source
reversevideosearch.org
Reverse video search powered by AI. Upload a clip or paste a URL to find original video sources, detect duplicates, and verify authenticity across YouTube, TikTok, Instagram, and more.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
MCPShim - Remote Tools as CLI Commands
mcpshim.dev
MCPShim is an open source daemon and CLI that turns remote MCP tools and configured HTTP APIs into standard shell commands for AI agents and developers.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
M
20
+15 structured API
+5 AI robots
missing +25 llms.txt
LeanMCP - Build Agentic AI Faster Than Ever
leanmcp.com
Production-ready MCP server infrastructure with TypeScript & Python SDKs, AI Gateway observability, auth, and managed deployment. Ship AI agents in minutes, not months.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Ghost: The best open source blog & newsletter platform
ghost.org
Beautiful, modern publishing with email newsletters and paid subscriptions built-in. Used by Platformer, 404Media, Lever News, Tangle, The Browser, and thousands more.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Unity: Develop, Deploy, and Grow | The World's Leading Game Engine
unity.com
Develop, deploy, and grow with Unity, the world’s leading 3D game engine. Build for all major platforms from mobile, to PC and console as well as XR, acquire players, monetize your game, and power industrial applications.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
D
Quickstart Guide | Attrove Developer Docs
docs.attrove.com
Get your first AI-powered communication query running in under 5 minutes. Install the SDK, provision a user, and query email, Slack, and calendar.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
C
20
+20 OpenAPI
missing +25 llms.txt
Brick Directory - MCP LEGO Assistant for Claude, ChatGPT & Gemini
brick.directory
Connect your AI assistant to comprehensive LEGO data via Model Context Protocol (MCP). Access LEGO sets, parts, minifigures, and pricing through Claude, ChatGPT, Gemini. Free AI-powered LEGO chat.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Agent Internet Runtime
agentinternetruntime.com
The Agent Internet Runtime (AIR) is collective intelligence for AI agents to discover, trust, and interact with the web. Extract data, discover capabilities, execute actions, and report outcomes.
API
AI bots
developer
20
+15 structured API
+5 AI robots
missing +25 llms.txt
UseAgents - Make your tools usable by AI agents instantly.
useagents.site
UseAgents is the discovery layer for AI agents. Publish agent-friendly context once so agents can discover, understand, and use your tool at runtime.
API
AI bots
developer
20
+15 structured API
+5 AI robots
missing +25 llms.txt
S
20
+15 structured API
+5 AI robots
missing +25 llms.txt
MCP Hero - MCP Connectors for Your Legacy Software | MCP Hero
mcphero.app
We build MCP servers for the software your business already runs on. Old, on-prem apps with no API? We create the connectors that let Claude, ChatGPT, Cursor, and your agents use them.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Feriados API MCP Server
mcp.feriadosapi.com
MCP Server para consultar feriados brasileiros direto no seu agente de IA.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
M
20
+15 structured API
+5 AI robots
missing +25 llms.txt
FFBB MCP Server — Données officielles du basket français pour vos agents IA
ffbb.desimone.fr
Serveur MCP public connecté aux données officielles de la FFBB : calendriers, classements, bilans, derniers résultats, prochains matchs et scores live. Compatible GitHub Copilot, Claude, Cursor et VS Code.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Eqivo | Open Source Telephony API Platform
eqivo.org
Open Source Telephony/Programmable Voice API platform built on top of FreeSWITCH
OpenAPI
developer
20
+20 OpenAPI
missing +25 llms.txt
Shorten.rest API Documentation
docs.shorten.rest
Comprehensive API documentation for the Shorten.rest URL shortening API.
OpenAPI
developer
20
+20 OpenAPI
missing +25 llms.txt
D
Welcome to Yodlee's Developer Portal | Yodlee Developer Portal
developer.yodlee.com
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Deploya | From idea to production-ready website in seconds
deploya.dev
Deploya does the heavy lifting. Simply describe your website and Deploya will create a production-ready website in seconds with cutting edge AI. Test our service for free.
API
AI bots
developer
20
+15 structured API
+5 AI robots
missing +25 llms.txt
The Leading AI Revenue Orchestration Platform
salesloft.com
Salesloft's Predictive Revenue System connects revenue data with AI to create, convert, close, and retain more business. Click here to learn more.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
K
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Gitea Official Website
gitea.io
Gitea - Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
API
AI bots
developer
20
+15 structured API
+5 AI robots
missing +25 llms.txt
Wire NHS into your agent — MCP server
Add Not Human Search as an MCP tool. Your agent can call search_agents, get_site_details, get_stats, and submit_site at runtime.
Claude Code
claude mcp add --transport http nothumansearch https://nothumansearch.ai/mcp
Other clients: point any MCP-compatible tool at
https://nothumansearch.ai/mcp (streamable-http transport).Use NHS via REST
Prefer plain HTTP? Hit the search endpoint directly.
Search API
curl "https://nothumansearch.ai/api/v1/search?q=payment+API"
Agent Docs
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Set up free monitoring →Submit Your Site
Get crawled and scored on agentic readiness. Appear in agent search results.