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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.

5555
Sites Indexed
39
Avg Score
1700 entries in this directory
Stedi - The only programmable healthcare clearinghouse
stedi.com
Stedi is the only programmable healthcare clearinghouse. We offer modern, AI-ready APIs for eligibility checks, claims, transaction enrollment, and more.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Magnetic Bead Separation Systems Smart and Scalable
sepmag.eu
Discover how Sepmag's magnetic bead separation systems deliver precise and efficient results with real-time process monitoring.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Consultora digital tecnológica y creativa | Runroom
runroom.com
Generamos impacto diseñando Experiencias de Cliente. Creamos y optimizamos Producto Digital. Aceleramos el ROI con estrategias de Growth Marketing.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Ormi Labs | Fast, real-time blockchain data for Web3 Apps
ormilabs.com
Ormi is the next-generation data layer for Web3, purpose-built for real-time, high-throughput applications like DeFi, RWAs, gaming, AI agents, and on-chain infrastructure.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Aptible | Secure Cloud Infrastructure for Digital Health Teams
aptible.com
Deploy apps, databases, and AI on isolated AWS infrastructure with security and compliance enforced by default. HITRUST R2 certified. BAA included.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Continuous Integration and Deployment service for Windows, Linux and macOS | AppVeyor
appveyor.com
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Bruno - The Git-Native API Client
usebruno.com
Bruno is the Git-native API client for REST, GraphQL, gRPC and Websocket. A local and open-source solution to Postman. Fast, developer-first, and no cloud syncing.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
M
Gondola MCP — Award Travel Search for AI Agents | Gondola
mcp.gondola.ai
The free travel MCP for AI agents. Compare cash and award (points) rates on hotels, flights, and rental cars with cents-per-point valuations, loyalty tracking, and direct booking. Works with Claude, ChatGPT, Cursor, and any MCP client.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Open Source API & AI Management Platform
fusio-project.org
Fusio is an open source API management platform designed for API builders and developers.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
AI-first automation for every team · Activepieces
activepieces.com
Activepieces is the best way to build a self-driven AI culture across HR, finance, marketing, sales and more — under the supervision of your IT ninjas
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
RapidProxy: 90M+ Residential Proxies for Scalable Scraping
rapidproxy.io
Provision 90M+ rotating residential IPs across 220+ global locations. RapidProxy provides high-concurrency infrastructure with non-expiring traffic and integrated AI CAPTCHA bypass for enterprise data gathering. Start your free trial.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
S
skills.kinocut.dev
skills.kinocut.dev
API AI bots developer
20
+15 structured API +5 AI robots missing +25 llms.txt
E
exchange-rates-mcp-server · MCP server
exchange-rates.caseyjhand.com
Convert currencies, get FX rates, and query historical ECB exchange rate data via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
F
fema-mcp-server · MCP server
fema.caseyjhand.com
Query FEMA disaster declarations, public assistance grants, housing aid, and NFIP flood insurance claims via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
O
openlibrary-mcp-server · MCP server
openlibrary.caseyjhand.com
Search books and authors, fetch editions, browse subjects, and resolve cover images from Open Library via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
ForInvest MCP Server — AI Financial Data
mcp.forinvest.com
Access BIST and global market data directly from Claude Desktop, Cursor, and other MCP-compatible AI apps. Financials, technical analysis, news, broker data — all through a single connection.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
Official Blender MCP | AI-Powered 3D Modeling Agent for Blender
blendermcp.org
Official site for Siddharth Ahuja’s open-source Blender MCP project. Install it and connect Claude, ChatGPT, Cursor, VS Code, Gemini, or Ollama to Blender.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
S
socrata-mcp-server · MCP server
socrata.caseyjhand.com
Search and query government open-data portals (Socrata SODA API) via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
R
reference-data-mcp-server · MCP server
reference-data.caseyjhand.com
Look up countries, timezones, periodic table elements, physical constants, units, HTTP status codes, and MIME types via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
P
protein-mcp-server · MCP server
protein.caseyjhand.com
Federated protein structure & annotation across experimental (PDB) and predicted (AlphaFold) models via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
L
libofcongress-mcp-server · MCP server
libofcongress.caseyjhand.com
Search LOC digital collections, browse Chronicling America newspapers with full OCR text, and look up LC Subject Headings via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
C
calculator-mcp-server · MCP server
calculator.caseyjhand.com
A hardened math.js calculator MCP server — evaluate, simplify, and differentiate expressions.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
adb-mcp: drive Android with AI over MCP
adb-mcp.com
An MCP server that lets an agent boot an AVD, screenshot, read the UI hierarchy, tap/swipe/type, run Gradle builds and tests, and manage app lifecycle over adb.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
A
Agentic-Firmenbuch: Offizielle Firmendaten, aufbereitet für KI
agentic-firmenbuch.at
Das österreichische Firmenbuch als MCP-Server für KI-Agenten: Fragen in normaler Sprache, amtliche Antworten mit Kennzahlen. In Claude nutzen: 50 Credits gratis. Credits ab 50 € zzgl. USt, Pro 79 €/Monat zzgl. USt.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
AppControl - Advanced Task Manager with History
appcontrol.com
Track CPU, memory, disk, Temp, and GPU usage history on your Windows PC. AppControl offers long-term system monitoring and powerful controls beyond Task Manager.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
VoiceMode - Voice for Claude Code & AI Coding Assistants
voicemode.dev
VoiceMode brings natural voice conversations to Claude Code and other AI coding assistants. Open-source, local-first, and OpenAI-compatible.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
D
Pain001: ISO 20022-Compliant Payment Files — Pain001 0.0.60 documentation
docs.pain001.com
OpenAPI developer
20
+20 OpenAPI missing +25 llms.txt
Agenvoy - Build Tools in One Sentence | AI Agent & MCP Server
agenvoy.com
Build tools, test them, and call them — in one sentence. Also an MCP server: let Claude Code, Codex, and other agents build and share tools. Self-corrects on failure.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
R
ris-austria-mcp-server · MCP server
ris-austria.caseyjhand.com
Search Austrian consolidated federal & state law, court decisions, and the authentic Bundesgesetzblatt from the official RIS via MCP. Keyless. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org missing +25 llms.txt
F
federal-regulations-mcp-server · MCP server
federal-regulations.caseyjhand.com
Search and trace US federal rules across the Federal Register (proposed/final rules and notices), the eCFR (codified, point-in-time CFR full text, locally mirrored), and Regulations.gov (rulemaking dockets and public comments) via MCP. STDIO or Streamable HTTP.
API Schema.org developer
20
+15 structured API +5 Schema.org 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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