OpenAPI Spec Directory
Every API in our index that publishes an OpenAPI/Swagger spec — ranked by agentic readiness.
5748
Sites Indexed
39
Avg Score
988 entries in this directory
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
A
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
E
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
M
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
ship.page — throw HTML at an API, get a live URL back
ship.page
Deploy a single HTML file or a whole static build with one curl — no account, no config. Every drop lands on its own unguessable subdomain, live worldwide in seconds.
OpenAPI
API
MCP
developer
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
A
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
OwnerRez API v2 — Reference
api.ownerrez.com
OwnerRez API v2 reference documentation, organized by resource.
llms.txt
OpenAPI
data
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
H
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
A
滴个龟龟 — 爬宠数字身份登记与溯源平台
api.digeguigui.com
六部位拍照上户口 · Git哈希不可篡改 · 一龟一证终身可查。人工繁育商家入驻，卖龟自带身份证。
OpenAPI
API
MCP
data
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
S
Sentimatix — Indian Stock Market Sentiment API
sentimatix-production.up.railway.app
OpenAPI
API
MCP
developer
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
M
Mengram — AI Memory That Learns Your Workflows. One memory across Claude Code, Cursor, Codex
mengram.io
AI memory that learns how you work. Mengram stores facts, events, and procedural workflows that evolve from successes and failures — one memory across Claude Code, Cursor, Codex, and ChatGPT. Import your existing Claude Code history in one command. Free tier, $5/mo. Mem0 / Letta / Zep / claude-mem alternative.
OpenAPI
API
AI bots
Schema.org
communication
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
A
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
A
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
A
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
Time to become unautomated in your career
unautomated.xyz
Get instant insights into your career's automation risk and discover strategies to future-proof your professional journey in the age of AI.
llms.txt
OpenAPI
jobs
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
jprokay
jprokay.com
Julian Prokay is a principal engineer with 15 years of experience architecting systems, building teams, and deploying infrastructure.
llms.txt
OpenAPI
developer
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Keyboard-driven task manager and list making tool | Checkvist
checkvist.com
Create professional checklists, organize research notes, manage tasks. Work in teams. A generous free plan.
llms.txt
OpenAPI
other
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
WarpGBM MCP - GPU-Accelerated Gradient Boosting via Model Context Protocol
warpgbm.ai
Cloud MCP service for GPU-accelerated gradient boosting. Train on A10G GPUs, get portable artifacts, cache for millisecond inference. Neural-speed GBDT for AI agents.
OpenAPI
API
MCP
ai-tools
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
T
ToolRoute — AI Model Routing Platform | The Right Model for Every Task
toolroute.io
ToolRoute is an AI model routing platform for agent developers. The right model for every task, at the right cost — routing decisions backed by real execution data.
OpenAPI
API
MCP
ai-tools
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
A
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
D
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
S
Blaze Sports Intel: College Baseball MCP
sabermetrics.blazesportsintel.com
Source-tagged NCAA Division I college baseball scores, standings, rankings, schedules, match detail, traditional player stats, and web context through MCP and REST.
OpenAPI
API
MCP
data
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
AxProver — Axiomatic AI
prover.axiomatic-ai.com
AxProver — Automated theorem proving powered by Axiomatic AI
llms.txt
OpenAPI
ai-tools
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
M
45
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
M
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
45
+20 OpenAPI
+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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