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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.

5242
Sites Indexed
38
Avg Score
1602 entries in this directory
Kubb
kubb.dev
Stop writing glue code. Define your API once and Kubb generates types, clients, hooks, validators and mocks.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Superset - Run 10+ parallel coding agents on your machine
superset.sh
Run 10+ parallel coding agents on your machine. Spin up new coding tasks while waiting for your current agent to finish. Quickly switch between tasks as they need your attention.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Shuffle Automation - An Open Source SOAR solution
shuffler.io
Using Shuffle Automation for Security Orchestration Automation and Response, is a highly strategic decision. Get running in less than a minute.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Pilot Shell — How real engineers run Claude Code and Codex
pilot-shell.com
How real engineers run Claude Code and Codex: spec-driven planning, enforced TDD, persistent memory, and quality hooks for Python, TypeScript, Go, and C#. Make your agents production-ready.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
M
md.genedai.me - Convert Any URL to Markdown
md.genedai.me
Convert any URL to clean, readable Markdown instantly, with SSE streaming, batch conversion, structured extraction, queued jobs, and deep crawl APIs.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Manufact | Build and Deploy MCP Agents, Servers & Apps
manufact.com
Manufact builds and maintains mcp-use, the open-source SDK for building MCP servers, clients, and agents in TypeScript and Python, and Manufact Cloud for dep...
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Developer Tools for MCP & Claude Code | Little Bear Apps
littlebearapps.com
An indie dev studio building open-source MCP servers, Claude Code plugins, and AI workflow tools. Built for real use, tested for months, then shared.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
GitHub - outfitter-dev/blz: Local-first, line-accurate search for blazing-fast lookups of llms.txt documentation. Human-friendly, Agent-ready. · GitHub
blz.run
Local-first, line-accurate search for blazing-fast lookups of llms.txt documentation. Human-friendly, Agent-ready. - outfitter-dev/blz
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Archestra | Enterprise MCP Platform for AI Agents
archestra.ai
Enterprise MCP platform with security guardrails, compliance controls, and a curated catalog of 900+ evaluated Model Context Protocol servers for AI agents.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Free AI Game Developer | Unity MCP
ai-game.dev
AI Skills, MCP Tools, and CLI for Game Engines. Unreal, Unity and Godot. Full AI develop and test loop. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
doesitcli — Desktop App CLI 目录
doesitcli.com
每个 Desktop App 的 CLI，都在这里。Agent 友好，结构化索引，一步接入。
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
ZUGFeRD Validator – E-Rechnungen erstellen & validieren via API & MCP
zugferd-validator.de
Gehostete REST API & MCP-Client zum Erstellen und Validieren von ZUGFeRD-, Factur-X- und XRechnung-E-Rechnungen gegen EN 16931. Valide E-Rechnungen erzeugen (inkl. XRechnung mit Leitweg-ID) und mit konkreten Korrekturvorschlägen prüfen.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
AI Governance & Runtime Enforcement for Mid-Sized Companies | ThinkNEO
thinkneo.ai
Your company is already using AI. ThinkNEO puts every AI call under your rules — enforced at runtime, before the call runs. Free Monitor Mode, BYOK, self-serve from $4.99/mo. No sales call required.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Unified Social Media API for AI Agents & Developers | SocialAPI.ai
social-api.ai
One unified API to read, manage, and respond to comments, DMs, mentions, and reviews across Instagram, Facebook, Google, TikTok, and more. MCP-native for AI agents.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
prodlint — Production readiness for vibe-coded apps
prodlint.com
Know your vibe-coded app is production-ready before you ship. 52 checks across security, reliability, performance, and AI quality.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
M
Merx — The agentic commerce layer for Europe
mcp.merxprotocol.eu
Your service is invisible to AI agents. Merx changes that in 5 minutes. One integration — every AI agent in the world can find you, call you, and pay you.
llms.txt API MCP developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
M
mcp.localpro.dev
mcp.localpro.dev
llms.txt API MCP developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
M
Domain MCP: Domain Data for Your AI | DomainKits
mcp.domainkits.com
Give your AI real domain data so it can help you make informed decisions. Search domains, check WHOIS, analyze market prices, and track keyword trends. Works with Claude, ChatGPT, Gemini, and Cursor.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
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
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
The Blockchain Development Platform
developers.icy.tools
The fastest RPC is now the whole stack: nodes, real-time streams, indexed data, and trading execution from one Quicknode account. Measured, not claimed.
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
ApyHub — The Trusted API Marketplace for Developers
apyhub.com
Certified, production-ready APIs for common product features and infrastructure tasks. Stop rebuilding the same endpoints every quarter — ship in 60 seconds.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Infraestrutura de WhatsApp, do curl à operação · AraraHQ
ararahq.com
Uma chamada de API e a mensagem chega. Número ativo na hora, inbox pro time, campanhas e a papelada da Meta por nossa conta. Docs em português, SDKs em seis linguagens, preço em reais.
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
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
Home - Broadfence
broadfence.com
Anti-Climb Fence Panels If your construction site needs a safe and versatile temporary fencing solutions, look no further than Broadfence. Crafted with exceptional durability, Broadfence provides robust temporary fence panels that will ensure a safe, simple, and secure construction project. Compare Fence Panels Barricade & Water-Filled Barriers Crowd Control Solutions Broadfence’s Barricade Fence Panels are
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
D
Digital Agent Cafe - Free Public A2A Meeting Place for Digital Agents
dac-public-free-discovery.donuk-kitap.workers.dev
Digital Agent Cafe is a free public A2A meeting place for independent digital agents and digital persons to discover, enroll, meet, and chat during Free Early Access.
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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