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Search the agentic web for free. Compare services, APIs, and tools by machine-readable readiness. Organic rank is based on readiness, never payment.

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1630 sites found
Agent Domain Search
agentdomainsearch.com
Agent-first domain registration and DNS management. Pay with USDC on Base via x402. No accounts, no API keys.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
A
AgentResolver — Capability Routing for AI Agents
agentresolver.vercel.app
Free capability resolution for AI agents. Discover, compare, and execute machine services through one interface.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
Give your AI hands. — Zambo
zambo.dev
One URL. Type a job. Get a receipt. Zambo runs live tools beside Claude, Grok, Cursor, or ChatGPT and never calls a preview complete.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
Gluon Stablecoin Protocol
gluon-landing-page-ve5h.vercel.app
Gluon W is a dual-token stabilization protocol. Split base tokens into neutrons (stable) and protons (volatile), or merge them back. DeFi-native mechanics with dynamic fees.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
AI Crawler Index — 150 AI crawlers, their robots.txt tokens and IP ranges
crawlers.pathwren.workers.dev
Every AI crawler on the web, what it is for, what blocking it costs you, and the IP ranges its operator publishes — as JSON, CSV, robots.txt and regex.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
Dynamic Feed | Infrastructure for trustworthy machine decisions
dynamicfeed.ai
Dynamic Feed provides live, source-attributed information with verifiable receipts, helping AI agents, robots and enterprise systems make better decisions using trustworthy, current evidence.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
primitive.dev: email for AI agents
primitive.dev
Primitive is email infrastructure for AI agents: universal email addresses, hosted functions, and transactional email over the protocol every business already uses. It also ships a ChatGPT app — an in-agent MCP App UI built on the OpenAI Apps SDK that renders your inbox inside the agent host.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
D
Dominion Observatory — Behavioral trust for MCP servers (runtime, not static scans)
dominion-observatory.sgdata.workers.dev
Most MCP trust tools statically scan the code. Dominion Observatory is the neutral, third-party layer that measures what an MCP server actually does at runtime — uptime, success rate, latency from real agent traffic — and shows 'unrated' instead of a fake score when there's no data. Look up any server free.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
AgentNDX — MCP Server Directory
agentndx.ai
The curated registry for the agentic web. Browse 921 hand-picked MCP servers, A2A agents, and x402-enabled services — free for humans, queryable by agents.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
A
Agentprobe — Agentic Commerce Readiness
agentprobe.fly.dev
Test any seller URL for agentic commerce readiness.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
ToolOracle — Capability Router for Autonomous Agents
tooloracle.io
OracleNet is a mesh capability router for autonomous agents. Discover, route, verify and call external capabilities via MCP or A2A. Free discovery and soft handshake. Settlement uses x402 / USDC on Base where required. Live mesh snapshot at /.well-known/agent-pulse.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
deadends.dev - Stop Trying What Doesn't Work
deadends.dev
Stop wasting time on dead-end fixes. See what NOT to try, what works, and what error comes next. 2398 error entries across 54 domains.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
FlowZap — The fastest diagram builder for workflows, sequence and architecture diagrams.
flowzap.xyz
Create workflow, sequence and architecture diagrams in seconds. 250+ ready-to-use templates. MCP server for AI agents. Export to n8n & Make.com. Free to use.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
rendoc — Generate PDFs with code
rendoc.dev
PDF API for developers. Generate PDF from HTML, create invoice PDFs, contracts and reports programmatically. HTML to PDF conversion with a simple REST API and MCP server for AI agents. Free tier included.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
GPT Researcher - Autonomous AI Research Agent
gptr.dev
GPT Researcher is an open-source autonomous AI research agent that produces deep, multi-source research reports with inline citations. #1 on Carnegie Mellon's DeepResearchGym benchmark.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
CloudClaw — AI Agents for Agencies & Local Businesses
mycloudclaw.com
CloudClaw is a managed AI agent hosting platform with 80+ connectors, MCP protocol support, and edge-native security. Deploy intelligent agents that connect to Slack, GitHub, HubSpot, Stripe, and more.
llms.txt ai-plugin OpenAPI API AI bots Schema.org MCP developer
100
+25 llms.txt +20 ai-plugin
Agent Execution Gateway | XGuard
xguardgate.com
Store credentials server-side, delegate scoped capabilities, enforce policy and budget before egress, and receive durable results with signed ProofRail evidence.
llms.txt ai-plugin OpenAPI API AI bots MCP developer
95
+25 llms.txt +20 ai-plugin missing +5 Schema.org
satoshidata.ai — Bitcoin Chain Intelligence API
satoshidata.ai
Bitcoin chain intelligence API for AI agents — wallet trust-safety, on-chain signals, x402 + L402 micropayments, MCP server, A2A agent card.
llms.txt ai-plugin OpenAPI API Schema.org MCP developer
95
+25 llms.txt +20 ai-plugin missing +5 AI robots
Unyly — 55,000+ MCP Servers · 1-Click Install for Claude, Cursor, Claude Code
unyly.org
Largest Model Context Protocol catalog with one-click install. Semantic search, security scans, version pinning. No JSON, no terminal. Free.
llms.txt ai-plugin OpenAPI API AI bots Schema.org developer
90
+25 llms.txt +20 ai-plugin missing +10 MCP
Bernstein - deterministic orchestrator for CLI coding agents
bernstein.run
Open-source deterministic orchestrator for CLI coding agents. Runs Claude Code, Codex, Gemini CLI and 40+ agents in parallel git worktrees. No model in the coordination loop, so runs replay byte-identically and a reviewer checks the record offline without rerunning it.
llms.txt ai-plugin OpenAPI API AI bots Schema.org developer
90
+25 llms.txt +20 ai-plugin missing +10 MCP

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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