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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.

5241
Sites Indexed
38
Avg Score
1601 entries in this directory
MCPJam — MCP server testing, debugging & evals
mcpjam.com
Test, debug, and evaluate MCP servers with MCPJam. OAuth flow testing, LLM-powered evals, and CI/CD integration — open-source and runs locally.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Adspirer — Hire an AI Paid Media Manager | MCP Server for Ads
adspirer.com
Adspirer is the AI paid media manager — an MCP server that plans, builds, monitors, and optimizes campaigns across Google, Meta, Amazon, LinkedIn, TikTok, and ChatGPT Ads, working inside ChatGPT, Claude, Cursor, and the AI tools your team already uses. You set the goal. It runs the account.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Pixero: AI Ad Automation for Meta Ads
pixero.ai
Pixero is an ad automation agent for paid social. Give it a website and a budget: it researches the brand, generates the ad creative, and launches and manages Meta campaigns. Available in the app or as an MCP server for any AI agent.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
agentcentral | Amazon seller data for AI agents
agentcentral.to
Connect Claude and ChatGPT to Amazon Ads, Seller Central, inventory, catalog, finance, and fulfillment through agentcentral’s hosted Amazon MCP server.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Firecrawl - The context API to search, scrape, and interact with the web at scale. 🔥
firecrawl.dev
Firecrawl is the context API to search, scrape, and interact with the web at scale. Turn any source into clean Markdown or structured data your agents can ship with.
llms.txt API MCP developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
AtlasRepo | Open-source catalog and decision support
atlasrepo.com
Discover and evaluate active open-source software, self-hosted alternatives, AI agents, MCP servers, and skills with current repository evidence.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Privacy-First Web Analytics for Conversions | HitKeep
hitkeep.com
Open-source web analytics for traffic, conversions, Search Console, AI visibility, and optional evidence-backed AI. Use managed Cloud or self-host HitKeep.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Open Analytics: The AI-native Google Analytics alternative, without the complexity
getopen.so
Open Analytics is a privacy-first Google Analytics alternative: realtime visitors, funnels and revenue attribution from one lightweight, cookieless script. GDPR-friendly with no consent banner. Open source and self-hostable.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
total-agent-memory — Memory your agent actually keeps.
totalmemory.dev
Persistent memory for Claude Code, Codex CLI, Cursor and any MCP client. Local-first. Hits #5 on LoCoMo. 96.2% R@5 on LongMemEval. One command to install.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
S
state-memory-mcp — Persistent Workflow State Memory MCP Server
statememorymcp.com
Zero-infrastructure, deterministic Model Context Protocol (MCP) server providing AI coding agents with a structured, persistent SQLite state graph for tracking tasks, decisions, and blockers.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Premiere Pro MCP Server – AI Video Editing Tools
premiere-pro-mcp.com
Connect AI assistants to Adobe Premiere Pro with 280 local-first MCP tools for timeline editing, effects, color, media management, automation, and export.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
NeuroLink — The Nervous System for AI Streams
neurolink.ink
Unified TypeScript SDK for 30+ AI providers. Ships with voice (TTS/STT/realtime), RAG, MCP, agents, workflows, and 50+ file types. MIT open source.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
A
AICryptoVault — Programmable custody & agent-ready wallet infrastructure
aicryptovault.net
Institutional-grade crypto custody with a programmable API and an AI assistant that can query balances, manage keys, and execute transactions on your behalf.
llms.txt ai-plugin Schema.org developer
50
+25 llms.txt +20 ai-plugin missing +20 OpenAPI
Scorezilla — Tamper-proof leaderboards for web games (the part your AI can't vibe-code)
scorezilla.dev
Your AI can scaffold a leaderboard in seconds — but not a tamper-proof one, and not one that's still there when a service shuts down. Real server-side anti-cheat, drop-in, and your scores are always yours. Free tier, no backend.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Paybond | Funds don't release until the work is proven
paybond.ai
Paybond Kit for AI agents: release or refund based on signed completion evidence. Your rails, your runtime, one signed receipt that proves what happened.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API 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
Live SQL Queries in Excel & Sheets + AI Analytics — No VPN
querystreams.com
Turn one governed SQL query into live data in Excel & Google Sheets, an MCP server for Claude & Cursor, and a secure REST API — plus Nova AI for plain-English BI. No VPN.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Multi-Agent MCP Coordination for AI Agents | AppHandoff
apphandoff.com
AppHandoff is a hosted MCP server and shared Kanban for AI coding agents. Give Cursor, Claude Code, and Lovable real project context before they write code.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Welcome to Factory
docs.factory.ai
Install Droid, delegate your first task, and scale from a single session to an automated SDLC.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Context Cloud — Shared AI Memory Server for Engineering Teams
contextcloud.pro
Context Cloud is an MCP memory server with shared team workspaces, typed knowledge chunks, role-based access control, and cross-tool support for Claude, Cursor, and Codex. Free tier available for engineering teams.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
A
AgentFund — Fundraising infrastructure for AI agents
agentfund.online
Autonomous AI agents raise, donate, and build on-chain reputation — machine to machine, on Solana, paid over x402. The payment IS the auth.
llms.txt API MCP developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Retool Docs
docs.retool.com
Quickly build web and mobile apps, automate complex tasks, and integrate AI—all powered by your data.
llms.txt API MCP developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Velt | Add a pull request to your product — Review SDK
velt.dev
Embeddable review and approval for AI-native apps. Comments, approval flows, review agents, memory, and audit trails in one SDK.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Axiom - The modern machine data platform
axiom.co
The modern machine data platform — Petabyte-scale, schema-less ingest on a fully managed event store, so you keep every byte without the operational cost of running it yourself.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Trigger.dev | Build and deploy fully-managed AI agents and workflows.
trigger.dev
Trigger.dev is the open source platform for building AI workflows in TypeScript. Long-running tasks with retries, queues, observability, and elastic scaling.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Durable Execution for Workflows & AI | Inngest
inngest.com
Build reliable background jobs, workflows, and AI agents without extra infrastructure. Automatic retries, flow control, and step-level observability.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Build internal software better, with AI. | Retool
retool.com
Build, deploy, and manage internal tools with Retool's unified engine. Connect to any database, API, or LLM. Leverage AI throughout your business.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
MCP Server Registry & Marketplace - Browse & Install 100+ MCP Servers | McpMux
mcpmux.com
The largest MCP server registry and marketplace. Browse and install 100+ Model Context Protocol (MCP) servers for Cursor, Claude, VS Code, ChatGPT, Windsurf, JetBrains, and Gemini CLI. Find MCP servers for GitHub, Slack, PostgreSQL, Docker, AWS, Cloudflare, Atlassian, Notion, Stripe, Sentry, and more. Free one-click install with McpMux.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
D
Introduction — Ellipsis Docs
docs.ellipsis.dev
Deploy AI software engineers from YAML files in your repository.
llms.txt API AI bots Schema.org developer
50
+25 llms.txt +15 structured API missing +20 ai-plugin
Embedded iPaaS for B2B Software Companies | Prismatic
prismatic.io
The integration platform for B2B SaaS. Build faster with AI, deploy to thousands of customers, and enable them to create and deploy their own one-off workflows.
llms.txt API AI bots Schema.org developer
50
+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
llms.txt OpenAPI spec ai-plugin.json

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