SEO data
for AI agents.
SERP, keywords, backlinks, and AI-search visibility — delivered through MCP, API, and CLI. Built for agents, not dashboards.
Works with Claude · Cursor · VS Code · Windsurf · any MCP client
If it speaks MCP, it works with Ray9.
Three interfaces, one SEO data core.
Every path is first-party. Every response is token-efficient. Pick the one that matches your runtime.
Connect any MCP client
Install once, use everywhere. Progressive tool discovery so your agent doesn't blow its context window on 50 unused tools.
"ray9": { "command": "npx", "args": ["-y", "@ray9/mcp"] }
Clean REST for your backend
JSON built for LLM context windows. API keys, OAuth, bearer tokens. Per-key budgets so a runaway agent can't drain your balance.
$ curl api.ray9.ai/v1/serp \ -H "Authorization: Bearer ..." \ -d '{\"q\":\"best crm\"}'
Terminal-native by design
Pipe output, script queries, or let Claude Code and Codex call it directly. JSON, table, or CSV.
$ ray9 serp "best crm" --ai-engines all
Your SEO data, native in every AI app.
Install Ray9 once as an MCP server and it appears everywhere your team already works — Claude, Cursor, VS Code, Windsurf. Ask a question in plain English, get ranked keywords, backlink profiles, and SERP movement rendered inline.
- Claude Desktop
- Cursor
- VS Code
- Windsurf
- Zed
- Goose
Not a dashboard with an MCP wrapper.
Traditional SEO providers bolt on AI support. We started with agents and worked backwards.
Legacy SEO APIs
Built for dashboards, retrofitted for agents.
Ray9
Endpoints designed for agent tool calls.
Every signal, up close.
Tap a signal on the right. See what it looks like and where it flows from.
The page, already parsed.
Organic, ads, PAA, featured snippets, AI Overviews — every block in a structured result, ready to feed straight into an agent.
Six things we got right.
Progressive tool discovery
Core set first, deep tools on demand. Fewer tokens, better decisions.
Multiple auth methods
API keys · OAuth · bearer tokens. Follow the standards your framework expects.
Rate limits you control
Per key, per agent, per org. Warnings before errors, not errors after.
Cost budgets that hold
Daily or monthly spend caps. No bill shock from a runaway agent.
Organization support
Orgs, team members, central keys. Role-based access for spend and data.
Instant provisioning
Sign up, get a key, make a call — under 60 seconds. No sales call.
What agents build with Ray9.
From single-prompt research to production GEO tooling.
SEO research agents
"What keywords should we target for X?" — answered with live volume, difficulty, intent, and clustering.
Rank tracking agents
Daily rank across Google, Bing, and AI engines. Claude or ChatGPT summarize movement each morning — no dashboard to log into.
Backlink audit agents
Crawl referring domains, detect toxic links, track anchor distribution, summarize competitor strategies.
AI-search visibility agents
How your brand shows up in ChatGPT, Claude, Perplexity, Gemini, AIO, and Bing Copilot — with share of voice over time.
Programmatic SEO
Topic clusters, intent maps, content briefs at scale. Feed data into pipelines and RAG systems.
Agent-driven content ops
Claude Code, Codex, and Goose can query SEO data while drafting briefs, auditing pages, or building dashboards — without leaving the terminal.
SEO research agents
"What keywords should we target for X?" — answered with live volume, difficulty, intent, and clustering.
Rank tracking agents
Daily rank across Google, Bing, and AI engines. Claude or ChatGPT summarize movement each morning — no dashboard to log into.
Backlink audit agents
Crawl referring domains, detect toxic links, track anchor distribution, summarize competitor strategies.
AI-search visibility agents
How your brand shows up in ChatGPT, Claude, Perplexity, Gemini, AIO, and Bing Copilot — with share of voice over time.
Programmatic SEO
Topic clusters, intent maps, content briefs at scale. Feed data into pipelines and RAG systems.
Agent-driven content ops
Claude Code, Codex, and Goose can query SEO data while drafting briefs, auditing pages, or building dashboards — without leaving the terminal.
Pick a category.
What is Ray9?
Ray9 is an SEO data platform built for AI agents. It delivers SERP, keyword, backlink, and AI-search visibility data through a first-party MCP server, REST API, and CLI — designed from the ground up for how agents consume data.
Is there a free tier?
Yes. 1,000 requests per month free, any type. No credit card required. Free tier includes full MCP, API, and CLI access.
How is Ray9 different from Ahrefs, DataForSEO, or SE Ranking?
AI-first from day one. Progressive tool discovery, token-efficient responses, real CLI, no enterprise gate. Other tools were built as dashboards and REST APIs and bolted on MCP later (if at all).
What data does Ray9 provide?
Organic and paid SERP, featured snippets, PAA, AI Overviews, keyword volume/difficulty/intent, keyword ideas and clustering, backlink profiles, rank tracking, competitor overlap, and AI-search brand/citation visibility across ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews, and Bing Copilot.
Which search engines and AI engines are covered?
Google and Bing for traditional SERP. For AI-search visibility we track ChatGPT Search, Perplexity, Claude, Gemini, Google AI Overviews, and Bing Copilot.
How does pricing work?
Pay-as-you-go, priced per request type. Keyword metadata is cheapest, SERP mid, backlink crawls most. Set per-key daily or monthly spend caps so agents can't overspend.
What MCP clients work with Ray9?
Any MCP-compatible client — Claude Desktop, Cursor, VS Code, Windsurf, Zed, Goose. If it speaks MCP, it works with Ray9.
Can I use the CLI with Claude Code or Codex?
Yes. JSON output by default — Claude Code, Codex CLI, Gemini CLI, and Goose all call ray9 commands directly.
What authentication methods do you support?
API keys, OAuth, and bearer tokens. We follow MCP auth standards so your agent framework handles auth correctly out of the box.
Do I need to sign a contract or talk to sales?
No. Sign up, get a key, start querying. Paid usage is self-serve. Enterprise plans with custom SLAs are available if you need them.
Is Ray9 open source?
The MCP server and CLI are open source on GitHub (ray9hq/ray9). The backend infrastructure and API are closed source.
Your agents need SEO data. Give them Ray9.
Free to start. No contracts. No sales calls. Install the MCP server or grab an API key and ship.
1,000 free requests/month. No credit card required.