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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.

4309
Sites Indexed
37
Avg Score
1316 entries in this directory
Hydrata - Hydraulic Model Verification
hydrata.com
The verification platform for consultants. Prove your HEC-RAS or ANUGA hydraulic model is correct. Designed by engineers, for engineers. Open source. Auditable.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
FramePack Studio | FramePack AI, FramePack Studio, and Image-to-Video Workflows
framepack.studio
Explore FramePack and FramePack AI through an independent browser-first workspace built for image-to-video prompting, reference-led clip generation, and FramePack Studio workflow guides.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Keeper.sh — Open-Source Calendar Syncing for Google, Outlook & iCloud
keeper.sh
Keep your personal, work, and school calendars in sync automatically. Open-source (AGPL-3.0) calendar syncing for Google Calendar, Outlook, iCloud, FastMail, and CalDAV.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Web Design and Website Support in Swindon | O’Brien Media
obrienmedia.co.uk
Website design, and website support for WordPress from our Swindon based designers who go above and beyond to help you grow your business.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
D
High-Performance Blockchain Infrastructure
developers.icy.tools
Build and scale blockchain applications on fast, reliable, enterprise-grade infrastructure across 80+ chains. Developer-ready, globally optimized.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Saigon Technology | AI-Driven Software Development Company in Vietnam
saigontechnology.com
Saigon Technology is an ISO-certified Agile software development company in Vietnam, with headquarters in Ho Chi Minh City, three development centers, and over 400 engineers.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
WhatsApp para desenvolvedores · AraraHQ
ararahq.com
A Resend para WhatsApp: uma chamada de API e a mensagem chega. Docs em português, SDKs em 4 linguagens, preço em reais e número em produção em 10 minutos. Sem código? A Arara também opera por você.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Ori Mnemos — Open Source Memory Layer for AI Agents
orimnemos.com
Open source, local-first persistent memory infrastructure for AI agents. Markdown-native, wiki-linked knowledge graphs with three-signal retrieval. Works with any MCP client. You own your memory.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
GeoKit | AI-Readiness Audit for the Web by GLINR
geokit.dev
What Lighthouse is to web performance, GeoKit is to Generative Engine Optimization. Measure and improve your site's AI-readiness score. Built by GLINR Studios (GLINCKER).
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
File uploading, processing & delivery for web and mobile apps | Uploadcare
uploadcare.com
Uploadcare provides companies with simple, powerful, developer-friendly building blocks to handle file uploading, processing, and delivery. A complete out-of-the-box solution, built for engineers by engineers.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
TypeScript AI Framework for Agents and Apps | Mastra
mastra.ai
Ship AI agents that reason, remember, and act in TypeScript. Mastra provides memory, tools, MCP, and observability to go from prototype to production.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Frigade: AI-powered product assistance for modern software teams
frigade.com
Frigade Assistant is the AI digital adoption platform for in-app user onboarding, product adoption, and feature adoption. It learns your product by using it, then guides users through real workflows in real time. No flow design, no prompt tuning, no docs to maintain.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Fern: Docs, SDKs, and CLIs for your API
buildwithfern.com
Start with OpenAPI. Generate SDKs in multiple languages, interactive API documentation, and an agent-first CLI.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Continuous Integration & Delivery - Semaphore
semaphoreci.com
Semaphore CI built for coding agents - fast, affordable, and enterprise-ready.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Pulumi - Infrastructure as Code in Any Programming Language
pulumi.com
Pulumi is an open-source infrastructure as code platform that helps humans and agents build and manage cloud infrastructure with real programming languages.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Alchemy | Blockchain infrastructure for developers
alchemy.com
Build and scale apps onchain with Alchemy's RPC APIs, data APIs, and developer tools across 100+ blockchains. Get started for free.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
An Integrated IoT Platform-as-a-Service | Particle
particle.io
Particle helps the world's most innovative companies power their connected machines, vehicles, and products.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Domain Names, Registration, Websites & Hosting | name.com
name.com
name.com is your complete source for domain names, hosting and other online presence solutions.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Reliable DNS Hosting and Domain Management with DNSimple
dnsimple.com
Discover reliable DNS hosting and domain management with DNSimple's secure REST API. Simplify your domain registration, transfer, SSL setup, and DNS management.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Video API for developers | Mux
mux.com
Mux helps teams ship high-performance and cost-effective video in minutes, not months. Build better video into anything from websites to platforms to AI workflows.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Image and Video Upload, Storage, Optimization and CDN
cloudinary.com
Streamline media management and improve user experience by automatically delivering images and videos, enhanced and optimized for every user.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Modal: High-performance AI infrastructure
modal.com
Bring your own code, and run CPU, GPU, and data-intensive compute at scale. The serverless platform for AI and data teams.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Composio
composio.dev
Just-in-time tool calls, secure delegated auth, sandboxed environments, and parallel execution across 1,000+ apps.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Bun — A fast all-in-one JavaScript runtime
bun.sh
Bundle, install, and run JavaScript & TypeScript — all in Bun. Bun is a new JavaScript runtime with a native bundler, transpiler, task runner, and npm client built-in.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Railway | The all-in-one intelligent cloud provider
railway.app
Railway is a full-stack cloud for deploying web apps, servers, databases, and more with automatic scaling, monitoring, and security.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Agno: Agent Framework and High-Performance Runtime for Multi-Agent Systems
phidata.com
Agno pairs the fastest framework available with the first enterprise-ready agentic operating system, AgentOS. Build, run, and manage secure multi-agent systems inside your cloud.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
D
Welcome to LlamaIndex 🦙 ! | Developer Documentation
docs.llamaindex.ai
llms.txt API AI bots developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
Agentic Infrastructure - Vercel
vercel.com
The autonomous stack for every app and agent.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
The File Infrastructure Platform | Transloadit
transloadit.com
Upload, process, store, and deliver any file through one API. Transloadit handles file infrastructure so product teams don’t have to.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin
MCP Servers you can Trust – MseeP.ai
mseep.ai
Find trusted MCP servers for AI integrations. Browse 7793 verified Model Context Protocol endpoints with real-time trust ratings and security scores.
llms.txt API Schema.org developer
45
+25 llms.txt +15 structured API missing +20 ai-plugin

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
llms.txt OpenAPI spec ai-plugin.json

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