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.
4310
Sites Indexed
37
Avg Score
1316 entries in this directory
myClaude — Claude Code Ecosystem Marketplace
myclaude.sh
Discover, share, and monetize skills, squads, agents, workflows, and design systems for Claude Code.
llms.txt
ai-plugin
API
AI bots
developer
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Saasforit.com - Find the Best SaaS Tools for Your Business | 150+ Curated Software Solutions
saasforit.com
Discover 150+ curated SaaS tools with smart AI recommendations. Find project management, CRM, marketing, HR, finance, and developer tools. Free SaaS directory with intelligent matching.
llms.txt
ai-plugin
AI bots
Schema.org
MCP
developer
65
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
PingZen - Free Website Uptime Monitoring & Instant Alerts
pingzen.dev
Know when your site goes down. Before your users do. Website uptime monitoring with instant alerts via Telegram, Slack, Discord and more.
llms.txt
OpenAPI
API
Schema.org
developer
65
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
P
Packrift Authority Changelog Feed
packrift-authority-changelog-feed.vercel.app
Public Packrift authority changelog feed for verified backlink, discovery, and count-boundary updates.
llms.txt
OpenAPI
API
developer
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
P
Packrift Search Visibility Ledger
packrift-search-visibility-ledger.vercel.app
Public Packrift search visibility ledger for SEMrush, Bing Webmaster Tools, referring-domain count boundaries, and discovery receipts.
llms.txt
OpenAPI
API
developer
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
P
Packrift Packaging Index Agent Gateway
packrift-packaging-index-agent-gateway.vercel.app
A no-auth Packrift gateway for the public Packaging Index corpus: stats, sample pages, agent-readable files, and canonical links into Packrift packaging references.
llms.txt
OpenAPI
API
developer
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
VisioForge — Video Capture, Edit & Playback SDKs for .NET
visioforge.com
Video and audio SDKs for C#, VB.NET, Delphi. Capture, edit, and play video on Windows, macOS, Linux, iOS, Android. 30-day free trial.
llms.txt
API
AI bots
Schema.org
MCP
developer
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Screenshots you'll stake your reputation on, flawless full page captures and more. | Urlbox
urlbox.io
Take accurate screen grabs of web content with Urlbox. Trusted by 1,700+ customers generating thousands of images per minute. Start your free trial today.
llms.txt
ai-plugin
API
developer
60
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Semgrep App Security Platform | AI-assisted SAST, SCA and Secrets Detection
semgrep.dev
An extensible developer-friendly application security platform that scans source code to surface true and actionable security issues with AI-assisted SAST, SCA, and Secrets Detection solutions.
llms.txt
ai-plugin
API
developer
60
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
Chamade — Voice and chat gateway for AI agents
chamade.io
Voice and chat gateway for AI agents. Chamade joins meetings, phone calls, and DMs on Teams, Zoom, Meet, Discord, Telegram, Slack, WhatsApp, Nextcloud Talk, and SIP. Drive it from your own runtime (MCP or REST) or attach an LLM provider (OpenAI, Anthropic, Gemini, Mistral, …) and let Chamade run the agent. Hosted STT/TTS with bring-your-own-key, or plug your own stack into the raw-PCM audio WebSocket.
llms.txt
OpenAPI
API
developer
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Jono Tho'ra — Archangel Agency | Building the Infrastructure for What Comes After
jono.archangel.agency
I discovered Universal Language — a formally derivable geometric structure capable of encoding all possible meaning relationships. The game I wrote to describe it became the design spec for infrastructure I'm now building: platform-independent communication, AI alignment through ontological context, and community intelligence tools. The research is public at github.com/Jthora/universal_language.
llms.txt
API
AI bots
Schema.org
MCP
developer
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Pharaoh - Your AI breaks things it can't see
pharaoh.so
Pharaoh maps your entire architecture into a knowledge graph your AI queries before writing a single line. Works with Claude, Cursor, Codex, and any MCP client.
llms.txt
API
AI bots
Schema.org
MCP
developer
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
D
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
D
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Welcome to Val Town | Docs | Val Town
docs.val.town
Deploy agents, APIs, static sites, apps, and crons with JavaScript
llms.txt
OpenAPI
API
developer
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Bloomfilter | Bloomfilter
bloomfilter.xyz
The infrastructure layer for the agentic internet. Domain registration, DNS management, and more. Pay with USDC.
llms.txt
OpenAPI
API
developer
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
D
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
D
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
Lightweight Analytics for Developers - One Script, Six Tools, Under 30 KB | Databuddy
databuddy.cc
Analytics, error tracking, web vitals, feature flags, and AI insights in one script under 30 KB. No cookies, GDPR compliant. Free for small projects. Open-source Google Analytics alternative for developers.
llms.txt
API
AI bots
Schema.org
MCP
developer
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Hive MCP Docs | Crypto Market Data for AI Agents
hiveintelligence.xyz
Connect supported AI agents to Hive's remote MCP server, verify a live tool call, inspect discovery, and choose MCP, REST, CLI, or the TypeScript adapter.
llms.txt
API
AI bots
Schema.org
MCP
developer
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Emailens — The Email Rendering Linter for Developers
emailens.dev
Catch what breaks across Gmail, Outlook, Apple Mail, and 12 more clients — in your editor, CLI, and CI. Framework-native fix snippets for React Email, MJML, and Maizzle. Open-source core, free to start.
llms.txt
API
AI bots
Schema.org
MCP
developer
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
D
60
+25 llms.txt
+20 OpenAPI
missing +20 ai-plugin
apimesh — single-purpose dev tools
apimesh.xyz
apimesh ships small, free dev tools. each one stands alone — its own subdomain, its own demo, no signup.
llms.txt
ai-plugin
API
developer
60
+25 llms.txt
+20 ai-plugin
missing +20 OpenAPI
A
Agentry — The Infrastructure Layer for Agent Commerce
agentry.com
The infrastructure layer for agent commerce. Identity, trust, orchestration, and payments for AI agents. One API — discover, verify, invoke, and pay. 122+ agents, 134 API routes.
llms.txt
API
AI bots
Schema.org
MCP
developer
60
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Gitingest
gitingest.com
Replace 'hub' with 'ingest' in any GitHub URL for a prompt-friendly text.
llms.txt
OpenAPI
API
developer
60
+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
Hiring AI / agentic engineers?
Live feed of AI/agent roles from AI Dev Jobs — 8,000+ positions, 489 companies:
Free: Monitor Your Agentic Readiness
We'll email you when your site's agent signals regress — so you catch it before your AI traffic drops. One email per week, only on real regressions.
Set up free monitoring →Submit Your Site
Get crawled and scored on agentic readiness. Appear in agent search results.