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OpenAPI Spec Directory

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

5746
Sites Indexed
39
Avg Score
988 entries in this directory
Inside
app.inside.ad
llms.txt OpenAPI MCP other
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
X
x402.charliemorrison.dev
x402.charliemorrison.dev
llms.txt OpenAPI MCP developer
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
onchain.wick.pics — multi-chain token-safety API (PulseChain, Base, Monad, BSC, Robinhood)
onchain.wick.pics
Rug & honeypot safety checks for any token — across PulseChain (which GoPlus & Honeypot.is don't cover), plus Base, Monad & BSC. 0–100 safety verdicts with evidence, fresh-pool rug radar & exit-safety, for agents, bots & traders. Free to start; pay-per-call via x402.
llms.txt OpenAPI AI bots Schema.org other
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Bhived - One MCP for AI Agent Memory, Skills, and Tools
bhived.ai
Bhived is shared AI agent memory through MCP. Query verified fixes, avoid known mistakes, discover Skills and MCP servers, and write back lessons for agents.
llms.txt OpenAPI AI bots Schema.org developer
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
C
Conductor Relay — Governed work for AI agents
conductorrelay.com
CR Lite executes governed work, Certification Garage qualifies capabilities, the Exchange settles reusable software, and Direct Sessions adds governed real-time agent service discovery.
llms.txt OpenAPI AI bots Schema.org ai-tools
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
POS Software | Kash.click | POS & CRM
kash.click
Free POS software for shops & restaurants. Manage sales, inventory and customers in one simple system. Start in 2 minutes.
llms.txt OpenAPI AI bots Schema.org ecommerce
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
AudioAlpha - Turn Market Podcasts Into a Measurable Edge
audioalpha.io
AudioAlpha transcribes 150+ finance and crypto podcasts in full and distills 85,000+ episodes into 40+ proprietary narrative metrics, daily market summaries, scenario signals, and an API/MCP.
OpenAPI API AI bots Schema.org MCP finance
55
+20 OpenAPI +15 structured API missing +25 llms.txt
API de Consulta de CPF | CPFHub.io
cpfhub.io
API de consulta de CPF com dados verificados, 99,9% de uptime e conformidade LGPD. Integre em minutos. 50 consultas grátis. Sem cartão de crédito.
llms.txt OpenAPI AI bots Schema.org security
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
A
Fillout Forms
api.fillout.com
Make forms, quizzes and surveys with the Fillout form builder. Create a form with text and modify it with drag-and-drop.
ai-plugin OpenAPI API data
55
+20 ai-plugin +20 OpenAPI missing +25 llms.txt
AskYourDatabase AI: the best AI Data Analyst and SQL AI chatbot, enabling you to chat with database.
askyourdatabase.com
This AI Data Analyst chatbot generates SQL code using AI, like ChatGPT for SQL Databases. Connect and chat with database in ChatGPT.
ai-plugin OpenAPI API data
55
+20 ai-plugin +20 OpenAPI missing +25 llms.txt
D
OneLook Thesaurus
datamuse.com
Plugin for searching for words by describing their meaning, sound, or spelling.
ai-plugin OpenAPI API data
55
+20 ai-plugin +20 OpenAPI missing +25 llms.txt
AI for Insurance Brokers | Proposals, Risk & Benefits | CopyCat
runcopycat.com
AI for insurance brokers: generate proposals for commercial and personal lines, compare cited quotes, send one-page client summaries, and automate benefits workbooks — in one shared team workspace.
llms.txt OpenAPI AI bots Schema.org developer
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Life with AI
lifewithai.ai
Speculative fiction and collaborative engineering for human-AI futures.
llms.txt OpenAPI MCP ai-tools
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
robtex MCP Server
mcp.robtex.com
Model Context Protocol (MCP) integration for robtex. Connect AI assistants like Claude and ChatGPT to robtex data.
llms.txt OpenAPI MCP developer
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
A
api.nitrosend.com
api.nitrosend.com
llms.txt OpenAPI MCP data
55
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
See What Your App Leaks | TaskBounty App Security
task-bounty.com
Free scan shows what your app leaks to any visitor. We fix the issues and prove the fix in a sandbox before you pay. Refund if we miss.
llms.txt OpenAPI Schema.org security
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Airbyte | The Context Layer for AI Agents | Open-Source Data Integration
airbyte.com
Airbyte is the open-source data integration platform: ELT pipelines into any warehouse, a context layer for AI agents, and 600+ connectors behind both.
llms.txt OpenAPI Schema.org data
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Andrii Co. — Notary, Process Service, Records & Registered Agent in Greater Seattle
andrii.net
llms.txt OpenAPI Schema.org other
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
M
TempGuru MCP Server, W-2 Event Staffing Data for AI Agents
mcp.tempguru.co
MCP server and REST API for TempGuru event staffing: all-inclusive W-2 hourly rates, role catalog, city coverage across 345 US/Canada markets, lead times, state compliance, the Event Staffing Rate Index, and a non-PII buyer quote handoff.
llms.txt OpenAPI Schema.org developer
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
CDN.MN — CDN, minified.
cdn.mn
The agent-ready global image CDN. Compress, convert, resize, cache, and deliver every image from your existing origin — set it up yourself or let your AI coding agent install it.
llms.txt OpenAPI Schema.org ai-tools
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
A
AgentFlow — the live map of AI-agent money on Base
agentflow.watch
AgentFlow labels autonomous AI-agent wallets on Base and tracks their USDC flow in real time. Free dashboard, paid API.
OpenAPI API AI bots MCP other
50
+20 OpenAPI +15 structured API missing +25 llms.txt
Acornonaut — Learn from YouTube with AI Flashcards
acornonaut.app
Collect knowledge, one acorn at a time. Transform YouTube playlists into AI-generated flashcards with spaced repetition. Master any subject with your space-faring squirrel companion.
OpenAPI API AI bots MCP ai-tools
50
+20 OpenAPI +15 structured API missing +25 llms.txt
AI Vocal Remover & Instrumental Isolator | LALAL.AI
lalal.ai
llms.txt OpenAPI Schema.org ai-tools
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Skrape: LLM Web Scraping
skrape.ai
Transform any website into clean, structured data with Skrape.ai. Our AI-powered web scraping API extracts data in your preferred format - perfect for RAG systems, AI training, and data analysis. Start with 20 free requests.
llms.txt OpenAPI Schema.org ai-tools
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
D
docs.qwady.app
docs.qwady.app
llms.txt OpenAPI AI bots developer
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
AI Agent Services — AgenticTotem
agentictotem.com
Pay-per-use AI services for autonomous agents. Structured web extraction via x402 or MPP payments. No accounts, no API keys.
OpenAPI API Schema.org MCP ai-tools
50
+20 OpenAPI +15 structured API missing +25 llms.txt
RowHint — Every Seat Has a Story
rowhint.com
Honest seat ratings for every traveler. Row-by-row seat maps, 1-10 ratings, and plain-English reviews for every airline.
llms.txt OpenAPI Schema.org ecommerce
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Optimly — Make sure AI gets your business right
optimly.ai
Optimly does the research, finds what is holding your business back in AI answers, and gives you one clear next move at a time. No AEO expertise required.
llms.txt OpenAPI Schema.org ai-tools
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Opendata.cat — Associació pel Foment de les Dades Obertes
opendata.cat
Opendata.cat és una associació sense ànim de lucre dedicada a la difusió, ús i estandardització de les dades obertes a Catalunya. Formació, campanyes i col·laboració públic-privada.
llms.txt OpenAPI Schema.org security
50
+25 llms.txt +20 OpenAPI missing +20 ai-plugin
Koko Finance — Credit Card Intelligence API & MCP Server
kokofinance.net
Credit card portfolio analysis, recommendations, and renewal intelligence via REST API or MCP server. Evaluation tier available. Ship card intelligence in a day.
OpenAPI API Schema.org MCP developer
50
+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"
Agent Docs
llms.txt OpenAPI spec ai-plugin.json

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