Top 100 Agent-Ready Sites
The sites AI agents can actually use. Ranked by agentic readiness — publish llms.txt, OpenAPI, ai-plugin, MCP, or a structured API to appear here.
4308
Sites Indexed
37
Avg Score
4307 entries in this directory
Portfolio Optimizer
portfoliooptimizer.io
The Nobel Prize-winning science of portfolio optimization, available as a Web API.
API
Schema.org
other
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Electronic Components Search Engine | Find Parts Fast | Octopart
octopart.com
The most accurate and comprehensive electronic part data at your fingertips. Search across distributors, manufacturers and parts to compare pricing and view inventory & datasheets.
API
Schema.org
ecommerce
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Affordable Blockchain Developer API | Access RPC Nodes & WebSocket | NOWNodes
nownodes.io
Get instant access to over 100 blockchain RPC nodes and block explorers. Use our affordable blockchain API to connect to Ethereum, Bitcoin, BSC, Polygon, and more. Includes WebSocket, testnet, and shared or private nodes.
API
Schema.org
finance
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
ObjectCut - The easiest way to crop objects from images
objectcut.com
Automatic background removal real-time service powered by AI.
API
Schema.org
other
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
MyAnimeList.net - Anime and Manga Database and Community
myanimelist.net
Welcome to MyAnimeList, the world's most active online anime and manga community and database. Join the online community, create your anime and manga list, read reviews, explore the forums, follow news, and so much more!
API
AI bots
data
20
+15 structured API
+5 AI robots
missing +25 llms.txt
Home \ Anthropic
anthropic.com
Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
API
AI bots
ai-tools
20
+15 structured API
+5 AI robots
missing +25 llms.txt
20
+15 structured API
+5 AI robots
missing +25 llms.txt
GIPHY - Be Animated
giphy.com
GIPHY is the platform that animates your world. Find the GIFs, Clips, and Stickers that make your conversations more positive, more expressive, and more you.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
The World's Most Distributed Cloud Computing Platform | Akamai
linode.com
Build and deliver low-latency, edge native applications on Akamai Connected Cloud.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Ssemble — AI YouTube to Shorts Clip Maker
ssemble.com
Turn YouTube videos into viral TikTok & Instagram Shorts with AI. Auto-clip, caption, and post. Trusted by 2.4M+ creators. Plans from $6/mo.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
SMS Messaging, Voice, Email, Video & Verification APIs | Sinch
sinch.com
Unlock meaningful conversations across the customer journey with programmable SMS, voice, email, video, & verification APIs!
API
Schema.org
communication
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Plugged.in - Enterprise MCP Platform for AI Integration
plugged.in
Plugged.in is the enterprise Model Context Protocol (MCP) platform for seamless AI integration. Connect 7,000+ tools and 1,500+ MCP servers with SOC 2 certified security. Start free today.
API
Schema.org
developer
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Jan - Open-Source ChatGPT Replacement
jan.ai
Jan is an open-source alternative to ChatGPT. Run open-source AI models locally or connect to cloud models like GPT, Claude and others.
API
Schema.org
ai-tools
20
+15 structured API
+5 Schema.org
missing +25 llms.txt
Cobrowse - Enterprise Cobrowsing on Web, iOS & Android
cobrowse.io
Collaboratively browse and navigate your digital channels with your customers in real time. Book a demo or kickoff a free technical proof-of-concept today.
API
other
15
+15 structured API
missing +25 llms.txt
D
Documentation - Climatiq API Reference - Automated Carbon Emission Calculations
docs.climatiq.io
A complete data toolkit to guide your company’s journey to net-zero.
API
data
15
+15 structured API
missing +25 llms.txt
B
Powerful multichain search by Blockscout
blockscout.com
Explore crypto activities with Blockscout's multichain search. Find transactions, addresses, tokens, and dapps across top blockchain networks — your go-to explorer for cross-chain blockchain data
API
finance
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Merriam-Webster Dictionary API
dictionaryapi.com
A comprehensive resource of dictionary and thesaurus data powered by Merriam-Webster's trusted references. Affordable, comprehensive, and easy to use. Free for non-commercial use.
API
other
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Kakao Developers
developers.kakao.com
카카오 API를 활용하여 다양한 어플리케이션을 개발해 보세요. 카카오 로그인, 메시지 보내기, 친구 API, 인공지능 API 등을 제공합니다.
API
developer
15
+15 structured API
missing +25 llms.txt
GIPHY Developers
developers.giphy.com
The GIPHY Developer Portal is how you integrate the world's best GIF API into your business, app or project.
API
developer
15
+15 structured API
missing +25 llms.txt
X Developer Platform
developer.twitter.com
Use the X API with an all-new Developer Console and consumption-based billing. No fixed monthly costs, no monthly caps.
API
developer
15
+15 structured API
missing +25 llms.txt
Todoist Developers — Build with Todoist
developer.todoist.com
The central hub for the Todoist developer platform: REST API, MCP server, CLI, SDKs, and webhooks — built for developers and AI agents.
API
productivity
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Oxford Dictionaries API
developer.oxforddictionaries.com
The Oxford Dictionaries API gives you access to our world-renowned dictionary data, including definitions, translations, synonyms, and audio pronunciations.
API
developer
15
+15 structured API
missing +25 llms.txt
Webex for Developers
developer.ciscospark.com
Build the future of business collaboration with Webex! Learn more about the Webex API and SDKs to create the next great collaboration app on the Webex Platform.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Fitbit SDK
dev.fitbit.com
You'll fit in here. Using JavaScript, CSS, and SVG, developers now have a fast, easy way to build apps and clock faces for Fitbit OS.
API
developer
15
+15 structured API
missing +25 llms.txt
Ultimate Cloud Storage - DDownload
ddownload.com
ddownload.com - Fast and Free File Hosting. Make Money Uploading Files, No Files Deletion, Unlimited Bandwidth, Unlimited Storage, Unlimited File Size
API
developer
15
+15 structured API
missing +25 llms.txt
Data USA
datausa.io
The most comprehensive visualization of U.S. public data. Data USA provides an open, easy-to-use platform that turns data into knowledge.
API
data
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Accueil — Open Data Nantes Métropole
data.nantesmetropole.fr
Données publiques ouvertes (Open data) mises à disposition par la Ville de Nantes et Nantes Métropole.
API
data
15
+15 structured API
missing +25 llms.txt
Aevo - Trade Perps, Options and Strategies
aevo.xyz
Aevo is the world's first high-performance decentralized exchange focussed on options and perps trading. The exchange runs on a custom EVM roll-up that rolls up to Ethereum. Aevo operates an off-chain orderbook with on-chain settlements.
API
finance
15
+15 structured API
missing +25 llms.txt
The world’s largest collection of open access research papers
core.ac.uk
The world’s largest collection of open access research papers
API
other
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Cat as a service (CATAAS)
cataas.com
Cat as a service (CATAAS) is a REST API to spread peace and love (or not) thanks to cats.
API
other
15
+15 structured API
missing +25 llms.txt
Service for real time website screenshots - Browshot
browshot.com
Browshot is a service to take screenshot of web pages. Use any of our mobile and desktop browsers. We provide a powerful API and libraries.
API
other
15
+15 structured API
missing +25 llms.txt
Brasil API
brasilapi.com.br
API gratuita para consultar as mais diversas informações, desde CEP até tabela FIPE!
API
other
15
+15 structured API
missing +25 llms.txt
Mock APIs - Free REST & SOAP APIs for Devs & QA
beeceptor.com
Create AI-powered mock servers in seconds. Generate realistic responses from prompts or real traffic for REST, SOAP, GraphQL, and gRPC. No code, no dependencies. Free
API
ai-tools
15
+15 structured API
missing +25 llms.txt
MangaDex API documentation
api.mangadex.org
MangaDex is an ad-free manga reader offering high-quality images.
API
data
15
+15 structured API
missing +25 llms.txt
Aletheia API | Real-Time Financial Data API
aletheiaapi.com
Aletheia is a free, real-time financial data API, providing stock data, financials, SEC filings, fundamental analysis, insider trading, and more. Unlimited access to millions of transactions and data points, both real-time and historical.
API
data
15
+15 structured API
missing +25 llms.txt
Česká televize
ceskatelevize.cz
Sledujte ČT on-line. Zpravodajství, publicistika, sport, počasí, pořady od A do Z. Programy ČT1, ČT2, ČT24, ČT sport a videoarchiv iVysílání. Česká veřejnoprávní televize.
API
other
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
O
Open Data DC
opendata.dc.gov
On this site, the District of Columbia government shares hundreds of datasets. The District invites you to browse the data, download it as a file, analyze it with your tools, or build apps using our APIs.
API
data
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
M
Magic The Gathering API - Now part of Scrydex
magicthegathering.io
The ultimate Magic: The Gathering developer resource. The MTG API allows developers to easily consume MTG card and set data in JSON format.
API
other
15
+15 structured API
missing +25 llms.txt
Getty Images API | Documentation, SDK & Sample Code | Getty Images API
developers.gettyimages.com
API
developer
15
+15 structured API
missing +25 llms.txt
C
15
+15 structured API
missing +25 llms.txt
ZenStack – Modern data layer for TypeScript apps
zenstack.dev
ZenStack is the modern data layer for TypeScript apps - with a type-safe ORM, built-in access control, and automatic query services.
API
developer
15
+15 structured API
missing +25 llms.txt
X
XEOLint — Make your vibecoded project discoverable
xeolint.com
Vibecoded projects ship fast but often have discovery problems. XEOLint ensures your Next.js site is discoverable by LLMs and search engines.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
W
15
+15 structured API
missing +25 llms.txt
OpenFang — The Agent Operating System
openfang.sh
Open-source Agent OS built in Rust. 7 autonomous Hands that work for you on schedules. 16 security systems. 53 tools. 40 channels. 27 LLM providers. WASM sandbox, Merkle audit trail, taint tracking. Single binary.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
DoltHub
dolthub.com
DoltHub is where people collaboratively build, manage, and distribute Dolt databases. Dolt is the world's first and only version controlled database, think Git and MySQL had a baby.
API
data
15
+15 structured API
missing +25 llms.txt
Tracecat | Open source SOAR for AI-native security teams
tracecat.com
Tracecat is the open source SOAR for AI-native security teams. Scale security work with agents, workflows, and cases you own.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
T
Tamga - Modern Python Logging
tamga.vercel.app
A modern, thread-safe Python logging library with significantly faster performance, beautiful console output, and extensive integrations.
API
developer
15
+15 structured API
missing +25 llms.txt
OpenAPI Design & Documentation Management Tool | Stoplight
stoplight.io
With Stoplight, you can create OpenAPI descriptions, documentation, and mock servers much faster than other API tools — with no specialized knowledge required — all in one centralized platform.
API
developer
15
+15 structured API
missing +25 llms.txt
the best interface for Claude Code | spacecake
spacecake.ai
run agents in the terminal. edit markdown visually.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Osaurus — Own your AI
osaurus.ai
The native macOS harness for AI agents. Any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
Create mock APIs in seconds with Mockoon
mockoon.com
Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.
API
developer
15
+15 structured API
missing +25 llms.txt
N
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
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"
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