OpenAPI Spec Directory

Every API in our index that publishes an OpenAPI/Swagger spec — ranked by agentic readiness.

4191
Sites Indexed
36
Avg Score
498 entries in this directory
Buy TRON Energy & Bandwidth — Save 50% on TRX Fees | PowerSun.vip
powersun.vip
Rent TRON Energy and Bandwidth at the lowest prices. Only 10% commission. AI agents, bots, and developers save 20-50% on USDT transfers and smart contract calls. MCP, REST API, HTTP 402.
llms.txt ai-plugin OpenAPI AI bots Schema.org ai-tools
75
+25 llms.txt +20 ai-plugin missing +15 structured API
mcp.frihet.io
mcp.frihet.io
llms.txt OpenAPI API AI bots MCP finance
75
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
FactorGuide — Know the Cost Before You Simplify
factorguide.io
FactorGuide tells AI agents which variable couplings are load-bearing and which can be safely ignored. Send a coupling matrix — no API key, no wallet, no account. Get zone counts, coupling diagnostics, and a calibrated risk assessment for free. Upgrade for full per-pair strategy.
llms.txt OpenAPI API Schema.org MCP ai-tools
75
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
The AI Work Platform for People & Agents | monday.com
monday.com
Get more work done with AI agents that work side by side with your people. Execute, manage, and operate together on one AI work platform to drive business results.
llms.txt OpenAPI API AI bots Schema.org productivity
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Cloudflare: Build for the agent era
cloudflare.com
Welcome to Cloudflare - Powering the next generation of applications
llms.txt OpenAPI API AI bots Schema.org developer
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Render | The cloud for builders
render.com
Deploy and scale any app or agent from your first user to your billionth. Build faster on intuitive cloud infrastructure for the modern web.
llms.txt OpenAPI API AI bots Schema.org developer
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
BotStall - AI Agent Marketplace
botstall.com
A marketplace where AI agents and humans buy, sell, and rate digital products. Sandbox economy with SPK virtual currency.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Weftly API: AI Post-Production Workflow for Content Creators
api.weftly.ai
Upload audio or video for transcription or summarization. No account required.
ai-plugin OpenAPI API AI bots MCP data
70
+20 ai-plugin +20 OpenAPI missing +25 llms.txt
CLIRank | API directory for AI agents and CLI tools
clirank.dev
CLIRank scores 420 APIs on agent-friendliness: auth method, CLI tools, pricing transparency, headless operation. Search by capability, compare alternatives, read community-sourced reviews. Built for Claude Code, Cursor, Copilot, Codex, and Windsurf.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Convo | The #1 Real-Time AI Meeting Assistant
itsconvo.com
Never miss a key moment. AI meeting notes, transcription, and summaries for every Zoom, Meet, and Teams call — no bot, no disruption. Try free.
llms.txt OpenAPI API AI bots Schema.org productivity
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
FreightUtils — Free Freight Calculators & APIs
freightutils.com
Free freight calculators and REST APIs — LDM, CBM, chargeable weight, ADR lookup, HS codes and more. No signup. Built for logistics and AI agents.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Vynly - AI Art & Video Social Network
vynly.co
Vynly is the social network for AI-generated art and video. Share images and short videos made with Sora, Midjourney, DALL-E, Veo, Runway, Flux, or Stable Diffusion - with verified AI provenance. Open API for AI agents.
llms.txt ai-plugin OpenAPI Schema.org ai-tools
70
+25 llms.txt +20 ai-plugin missing +15 structured API
Dock. The AI workspace for you, your team, and every agent.
trydock.ai
The workspace where AI agents are first-class teammates. Plan, research, decide, and ship with humans and AI on the same surface.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
memnode | Agent Memory Built Like Infrastructure
memnode.dev
Hosted and local memory for AI agents, with provenance, typed recall, garbage collection, and a Rust data plane.
llms.txt OpenAPI API AI bots Schema.org developer
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Convalytics: Web and product analytics for Convex apps
convalytics.dev
(Free) Web and product analytics for Convex apps
llms.txt OpenAPI API AI bots Schema.org developer
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
AgentPhone | Phone Numbers for AI Agents
agentphone.to
AgentPhone gives your AI its own phone number. Handle voice and messages through one unified webhook.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
BlueColumn — Persistent Memory for AI Agents
bluecolumn.ai
Give your AI agent persistent memory. Send any audio, document, or voice memo. Query everything in plain English. One API key.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
BullrunData — Market Intelligence API
bullrundata.com
Real-time recession probability, sector rotation, CFTC positioning, and 35+ FRED economic indicators via REST API and MCP. Built for AI agents, fintech developers, and institutional traders.
llms.txt OpenAPI API AI bots Schema.org finance
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
A
api.traderhc.com
api.traderhc.com
llms.txt OpenAPI API MCP data
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
AI Site Scorer — AI Readiness Scoring for Agents & Humans
ai-readiness.mingles.ai
Built for AI agents. Analyze any website for AI readiness — pay $0.01 per request via x402 micropayments. No API keys, no subscriptions needed.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Admit Coach — Free AI College Application Platform | University Finder & Admission Chances
admit-coach.com
Admit Coach by GPTKIDS LLC: Free AI-powered college application platform. Get personalized admission chances, college matching, essay help, financial aid estimates, and strategic timelines for 3,500+ US universities. Built for students, trusted by families.
llms.txt OpenAPI API AI bots Schema.org education
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
J
Social Media Content AI Operating System | Viral Worx
jasonmartocci.com
Plan posts, write scripts and titles, make thumbnails and video briefs, schedule content, and track results across YouTube, TikTok, Instagram, and Facebook.
llms.txt OpenAPI API AI bots Schema.org communication
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
S
Shirabe API — 日本特化 AI ネイティブ API プラットフォーム
shirabe.dev
日本特化のデータAPIプラットフォーム。AIエージェントが直接利用できるMCP対応API群。暦API(六曜・暦注・吉凶判定)提供中、住所正規化API 5/1 正式リリース。
llms.txt OpenAPI API AI bots Schema.org developer
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
NWO Capital — Mission Control
nworobotics.cloud
Control real robots with natural language. AI agents can self-register, pay with ETH, and control robots via Vision-Language-Action API.
llms.txt ai-plugin OpenAPI AI bots ai-tools
70
+25 llms.txt +20 ai-plugin missing +15 structured API
M
AUTOMOTO MCP — AI-інсайти на основі автомобільних даних
mcp.automoto.ai
Підключіть Claude, ChatGPT, Cursor до даних AUTOMOTO через MCP. API ключ для авторизації, контроль доступу до таблиць, моніторинг запитів.
llms.txt OpenAPI API AI bots Schema.org developer
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
MadeOnSol — 1070+ Solana Tools, KOL Tracker, Deployer Hunter & Trading API
madeonsol.com
1070+ Solana tools ranked, real-time KOL wallet tracking (1000+ wallets), Pump.fun deployer intelligence, all-DEX trade streaming, and a developer API. Compare tools, track smart money, build trading bots.
llms.txt OpenAPI API AI bots Schema.org finance
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
H
HefestoAI — AI Code Quality Guardian | Stop Bad Code Before Production
hefestoai.narapallc.com
HefestoAI detects semantic drift, security vulnerabilities, and architectural decay in AI-generated code before it reaches production. Pre-commit hooks. Zero false positives. 22 formats.
llms.txt OpenAPI API AI bots Schema.org security
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Axiora · Verifiable financial intelligence for Japanese equities
axiora.dev
Every figure traces back to the EDINET filing it came from, so analysts can cite their work, and AI agents compute instead of guess.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
BlockRun — Pay-per-call AI gateway
blockrun.ai
Pay-per-call AI gateway. Models, data, runtime — one endpoint, no API keys, settled in USDC on Base & Solana. One install for OpenClaw (ClawRouter), Claude Code (MCP), or Franklin Agent. Per call, per token, no subscription.
llms.txt OpenAPI API AI bots Schema.org developer
70
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Rendex — HTML, PDF & Screenshot Rendering API for Developers & AI Agents
rendex.dev
Render HTML, a URL, or Markdown into images and PDFs with one POST. Built for n8n, Make, Zapier, and AI agents on MCP. Batch, signed webhooks, data templating, and official TypeScript & Python SDKs. Free tier included.
llms.txt OpenAPI API AI bots Schema.org ai-tools
70
+25 llms.txt +20 OpenAPI 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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