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.
5573
Sites Indexed
39
Avg Score
1705 entries in this directory
GitHub · Change is constant. GitHub keeps you ahead. · GitHub
raw.githubusercontent.com
Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
API
developer
15
+15 structured API
missing +25 llms.txt
VaultPlane: The AI Tool Control Plane
vaultplane.com
VaultPlane is the control plane for AI infrastructure: an open-source AI gateway for AI model and tool traffic, paired with a registry that scores and certifies MCP servers and AI skills.
API
developer
15
+15 structured API
missing +25 llms.txt
D
15
+15 structured API
missing +25 llms.txt
Open Source Initiative – The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
opensource.org
API
developer
15
+15 structured API
missing +25 llms.txt
mcp.sovgrid.org · MCP server for self-hosted AI
mcp.sovgrid.org
An MCP server with four read-only tools for people running self-hosted AI on NVIDIA DGX Spark and similar hardware. Free, no signup, no KYC, no telemetry on tool calls.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
C
cap-rate-signals-mcp-production.up.railway.app
cap-rate-signals-mcp-production.up.railway.app
API
developer
15
+15 structured API
missing +25 llms.txt
wagner — the cloud infrastructure layer for the agent era
trywagner.dev
wagner is the continuous understanding layer where humans and AI agents align on intent — before a single deployment.
API
developer
15
+15 structured API
missing +25 llms.txt
OneMCP - Chat with Any MCP Using Any AI Model
onemcp.io
Connect to any Model Context Protocol with one click. Chat with AI models like Claude, GPT-4o, and Gemini while accessing powerful MCPs
API
developer
15
+15 structured API
missing +25 llms.txt
Network & Infrastructure Management Platform | NetBox Labs
netboxlabs.com
Build and manage complex networks easier with NetBox Labs, using an enterprise-grade version of the world’s most popular network source of truth.
API
developer
15
+15 structured API
missing +25 llms.txt
M
15
+15 structured API
missing +25 llms.txt
M
15
+15 structured API
missing +25 llms.txt
Aura Friday · MCP-Link — This tool does your work for you.
mcp.aurafriday.com
The toolbox you install on your Desktop that turns any AI into an active co-worker. Free forever.
API
developer
15
+15 structured API
missing +25 llms.txt
MCP Auth - Plug-and-play auth for MCP servers | MCP Auth
mcp-auth.dev
MCP Auth gives you everything you need to add production-ready auth to your MCP server. No weeks spent reading specs or wiring things up.
API
developer
15
+15 structured API
missing +25 llms.txt
GolemCore — Agent Platform for AI-Native Companies
golemcore.me
Self-hosted agent platform for AI-native companies. Runtime for plugins, skills, MCP, and multi-LLM routing. Hive orchestrator for fleet control and inspection. Apache 2.0.
API
developer
15
+15 structured API
missing +25 llms.txt
Gopher-MCP
gopher.security
On-Demand MCP server and gateway with enterprise security, observability and connectivity.
API
developer
15
+15 structured API
missing +25 llms.txt
Introduction - HMR for Python
hmr.promplate.dev
Hot Module Reload (HMR) ecosystem for Python - docs and examples.
API
developer
15
+15 structured API
missing +25 llms.txt
CodeMesh - The Self-Improving MCP Server
codemeshmcp.com
Agents write code. Orchestrate everything. CodeMesh lets agents automatically write TypeScript to coordinate multiple MCP servers. Context-efficient, self-improving, production-ready.
API
developer
15
+15 structured API
missing +25 llms.txt
C
Welcome to codectx | codectx
codectx.granth.tech
A CLI tool to compile codebases into AI-optimized contexts.
API
developer
15
+15 structured API
missing +25 llms.txt
15
+15 structured API
missing +25 llms.txt
Global Crypto and Stablecoin Payments Infrastructure — WalletConnect Pay
walletconnect.com
A complete, compliant payment method built on the world's largest wallet network, designed to fit directly into existing PSP stacks with a single, future-ready integration.
API
developer
15
+15 structured API
missing +25 llms.txt
Graphite - Code review for the age of AI
graphite.dev
Graphite helps teams on GitHub deliver higher quality software, faster.
API
developer
15
+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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