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
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
15
+15 structured API
missing +25 llms.txt
Casibase | Casibase · Open-Source LangChain-like AI Knowledge Database & Chat Bot with Admin UI and multi-model support (ChatGPT, Claude, Llama 3, DeepSeek R1, HuggingFace, etc.)
casibase.org
⚡️Open-Source LangChain-like AI Knowledge Database & Chat Bot with Admin UI and multi-model support (ChatGPT, Claude, Llama 3, DeepSeek R1, HuggingFace, etc.)
API
data
15
+15 structured API
missing +25 llms.txt
API Platform
api-platform.com
Create REST and GraphQL APIs, scaffold Jamstack webapps, stream changes in real-time.
API
developer
15
+15 structured API
missing +25 llms.txt
Airweave | Context Retrieval Layer for AI
airweave.ai
Airweave is an open-source context retrieval layer that lets AI retrieve relevant context from apps and databases by acting as a shared information retrieval layer between AI systems and data sources.
API
data
15
+15 structured API
missing +25 llms.txt
A
15
+15 structured API
missing +25 llms.txt
API Documentation & Design Tools for Teams | Swagger
swagger.io
Simplify API development for users, teams, and enterprises with our open source and professional toolset. Findogut how Swagger can help you and get started today.
API
developer
15
+15 structured API
missing +25 llms.txt
Electronic signature - Custom eSignature workflows | airSlate SignNow
signnow.com
Sign documents with airSlate SignNow’s legally-binding eSignature trusted by millions. Enjoy a seamless online signature experience anytime, anywhere, on any device.
API
other
15
+15 structured API
missing +25 llms.txt
AI Innovation Workspace | Miro
miro.com
Speed up product development from ideation to launch. Align teams, break tool silos, and ship what customers need in one AI-powered visual platform.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
LiteLLM
litellm.ai
LLM Gateway (OpenAI Proxy) to manage authentication, loadbalancing, and spend tracking across 100+ LLMs. All in the OpenAI format.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
OpenClaw Cortex
openclaw-cortex.vercel.app
Hybrid semantic memory system for AI agents. Store and retrieve memories using multi-factor ranking with Memgraph, vector search, and graph traversal.
API
developer
15
+15 structured API
missing +25 llms.txt
OpenTabs — AI agents for any web app
opentabs.dev
OpenTabs gives AI agents access to any web application through your authenticated browser session. MCP server + Chrome extension + plugin SDK.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Context Engine - MCP Retrieval Stack
context-engine.ai
MCP retrieval stack for AI coding assistants. Hybrid code search, ReFRAG micro-chunking, local LLM enhancement.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
Y
15
+15 structured API
missing +25 llms.txt
X
15
+15 structured API
missing +25 llms.txt
Y
15
+15 structured API
missing +25 llms.txt
W
15
+15 structured API
missing +25 llms.txt
W
15
+15 structured API
missing +25 llms.txt
W
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Get Started | Vantage by Cavendo AI
vantage.cavendo.ai
Don't lose what you learn in AI. Capture signals, query them later, and let your agent use what you've collected.
API
ai-tools
15
+15 structured API
missing +25 llms.txt
U
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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