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
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Understory - Powering Experience Developers and Makers
developer.understory.io
Understory is the only tool you need to sell experiences. To create, manage and grow your experience business with APIs.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Introduction | Bunup
bunup.dev
A blazing-fast build tool for your libraries built with Bun.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
CouchLoop EQ - AI Behavioral Governance
mcp.couchloop.com
Behavioral governance layer for AI assistants. Catches hallucinations, validates packages, reviews code, and preserves context across sessions. Works with Claude, ChatGPT, VS Code, and more.
ai-plugin
OpenAPI
developer
40
+20 ai-plugin
+20 OpenAPI
missing +25 llms.txt
Local MCP — AI Automation for Mac | Mail, Calendar, Teams, OneDrive
local-mcp.com
Local MCP (LMCP) gives your AI direct access to Mac apps — no code, no APIs. Mail, Calendar, Teams, OneDrive, Excel and more. 100% local, GDPR compliant.
llms.txt
Schema.org
MCP
developer
40
+25 llms.txt
+10 MCP
missing +20 ai-plugin
Commerce Infrastructure for AI Agents | AgentClear
agentclear.dev
The discovery, payments, and trust layer for AI agents. Semantic search, per-call billing, trust-scored APIs. $5 free credits — no credit card.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
GoDaddy Developer Platform
developer.godaddy.com
Build once, distribute everywhere. Documentation, APIs, SDKs, and tools for the GoDaddy Developer Platform.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
HERE Developer Portal | DevDocs | Location Data | HERE
developer.here.com
Develop precise, location-aware applications with our extensive tools and services, from mapping and geocoding to routing and map data visualization. Get started today!
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
S
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Red Hat - We make open source technologies for the enterprise
redhat.com
Red Hat is the world’s leading provider of enterprise open source solutions, including high-performing Linux, cloud, container, and Kubernetes technologies.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
H
Cloud-hosting provider for developers & teams
hetzner.cloud
Cloud-hosting provider for developers & teams. Scalable cloud hosting services – join 400,000+ customers ✓ GDPR-compliant
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
dbtrail — time-travel for your MySQL
dbtrail.com
dbtrail remembers every row change in your MySQL — searchable, reversible, yours. The wrong UPDATE becomes a two-minute fix. Free & open source, Apache-2.0.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Stytch - A better way to build auth
stytch.com
APIs and SDKs to integrate authentication and security into your app.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Home
backblaze.com
Backblaze is a pioneer in robust, scalable low cost cloud backup and storage services. Enterprise hot storage, low cost backup and archive, and more.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
M
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
Sourcegraph docs
docs.sourcegraph.com
Documentation for Sourcegraph, the code intelligence platform.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
GitHub Docs
docs.github.com
Get started, troubleshoot, and make the most of GitHub. Documentation for new users, developers, administrators, and all of GitHub's products.
llms.txt
API
developer
40
+25 llms.txt
+15 structured API
missing +20 ai-plugin
LangSmith
smith.langchain.com
Take agents from prototype to production. LangSmith gives you the tools to build, debug, evaluate, and ship reliable agents.
llms.txt
API
developer
40
+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
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