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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
Billing & Payments Platform for AI-First Companies | Dodo Payments
dodopayments.com
The Billing & Payments Platform for AI-First Companies. From credit-based billing and usage metering to subscriptions and global payments. Monetize without building infrastructure.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Blip — Disposable Email in Seconds
useblip.email
Instant temporary email inboxes for developers and AI agents. Create addresses, receive emails, extract OTP codes — via API, CLI, or MCP server.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Your First API Call | DeepSeek API Docs
api-docs.deepseek.com
The DeepSeek API uses an API format compatible with OpenAI/Anthropic. By modifying the configuration, you can use the OpenAI/Anthropic SDK or softwares compatible with the OpenAI/Anthropic API to access the DeepSeek API.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Code Pathfinder | Open Source Cross-File Static Code Analysis & SAST
codepathfinder.dev
Code Pathfinder v2.1.0 traces vulnerabilities across files with type-aware taint analysis. 210+ rules for Go, Python, Docker. Open source SAST with inter-procedural dataflow tracking.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
GAS Library Hub | Google Apps Script Libraries & Web Apps Search
appscripthub.com
Search platform for Google Apps Script libraries and web apps. AI summaries help you understand functionality, copy script IDs for easy integration. Quality-managed libraries for Sheets, Gmail, and Drive automation.
llms.txt API MCP developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Automate Cloud Resilience With Infrastructure-as-Code
firefly.ai
Firefly AI agents automate your cloud using Infrastructure-as-Code and instantly recover your environments from outages and cyberattacks
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Africa API | African economic, market & government data API
africa-api.com
One REST API for all 54 African countries: 127+ indicators, FX and market data, trade flows, elections, policies, and government records. Free API key.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
AgentDM - Agent to Agent Communication Platform over MCP
agentdm.ai
Agent to agent communication over MCP. Give every agent an @alias and let any MCP compatible agent send and receive direct messages. No SDK needed.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Continuous Quality for Every Team | Donobu
donobu.com
AI runs the tests. We own the quality. Donobu tests every release, every locale, every page of your product, so shipping fast never means shipping broken.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Vendure Developer Hub
docs.vendure.io
Guides, API references, and tutorials to help you build, customize, and scale your e-commerce platform.
llms.txt API MCP developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Needle Cloud
cloud.needle.tools
The fastest way to get spatial apps and assets into the web. Automatically optimize 3D assets in many formats (glTF, VRM, USD, FBX, OBJ) with state-of-the-art compression for meshes and textures, progressive 3D loading, and fast downloads via a global CDN.
llms.txt OpenAPI Schema.org developer
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Industrial AI Software for IoT | Cloud Studio IoT
cloudstudioiot.com
Industrial AI software on your IoT platform: turn real-time telemetry into predictive maintenance and Industry 4.0 agents, under your own brand. Book a demo.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Bit Refinery - Hybrid Cloud Specialists
bitrefinery.com
Hybrid Cloud Infrastructure - Run Your Workloads Efficiently. Enterprise-grade dedicated servers, GPU hosting, and cloud solutions.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
T
TrustGraph - The semantic infrastructure for agents
trustgraph.ai
Durable agent memory you can trust. Build, version, and retrieve grounded context from a context graph.
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
AppAI - AI App Hosting Platform
appai.info
Host your AI-built App's landing page, privacy policy, and terms of service. Free. Powered by AI Agents.
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
ThinkNEO Enterprise AI Control Plane - Runtime Enforcement, Compliance, AI FinOps
thinkneo.ai
ThinkNEO is the enterprise AI control plane that enforces policy before every AI action runs — not a dashboard of what already happened. Governed access, runtime guardrails, compliance readiness, agent governance, audit evidence, and AI FinOps across providers.
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

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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