WordRadar
A keyword emergence radar for indie SEO builders and AI agents, served over REST and MCP with a 1M-word daily ledger.
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WordRadar is the right pick for a solo builder or developer who wants to catch a keyword before anyone else has published for it, and who is comfortable wiring an API or MCP endpoint into their own workflow. It does something genuinely different from volume-focused tools: it timestamps every keyword's first appearance in Google autocomplete, which established players do not expose. The tradeoff is that the product is invite-only beta with paid tiers not yet live, so anyone who needs a stable, full-featured SEO platform today should look elsewhere.
What is WordRadar?
WordRadar is a keyword intelligence API and MCP server aimed at indie SEO builders, developers, and software agents. It maintains a 1-million-word Google autocomplete ledger updated daily, tagging each phrase with a first-seen date and a classification of new, re-spiking, or evergreen. Additional data surfaces include a Hacker News domain radar, a proxy-based SERP difficulty scorer with transparent weighting, a Google Trends risers feed, and a domain timeline tool that cross-references RDAP registration records with Wayback Machine snapshots.
All data is accessible via REST endpoints and a native MCP server using metered API credits. A free public leaderboard shows the top 20 results daily without a login, and the ledger-pulse endpoint is permanently free. Prepaid credit packs start at $19 for 2,000 credits. The product is currently in invite-only private beta, with subscription plans planned for a future Phase 1 release.
How we scored WordRadar
Capability scores 17 because the first-seen date stamping and MCP-native delivery are genuinely differentiated features absent from the named competitors, but the tool lacks search volume data, rank tracking, and a content layer that Surfer SEO provides, making it a specialist instrument rather than a capable all-rounder. Ease of use scores 14 because the product is entirely API and MCP driven with no GUI workflow beyond a public leaderboard; a non-developer cannot use it meaningfully, and the invite-only gate adds friction before any evaluation is possible. Value scores 18 because the one-time credit packs ($19, $49, $99 with no expiry) are genuinely low-cost entry points for a developer validating niches, and the free ledger/pulse endpoint costs nothing permanently. Delivery scores 13 because the product is in private beta with no live subscription tiers, no independent user reviews found, and the builder's own DEV.to post is the primary public evidence of the product working as described; that is thin delivery evidence for a commercial listing, even if the underlying concept is sound.
Pros and cons
What we liked
- First-seen date stamping on every keyword in a 1M-word ledger is a genuinely uncommon data point that established tools like Surfer SEO do not expose at the query level.
- Native MCP server means AI agents in Claude or Cursor can pull keyword data directly into automated workflows without any custom middleware.
- Proxy-KD difficulty scoring uses openly documented weights rather than a black-box algorithm, so developers can audit and adjust the logic themselves.
Where it falls short
- Paid subscription tiers do not exist yet; the product is invite-only beta and 'Phase 1' pricing is unscheduled, making it unsuitable for any team that needs contractual SLAs or predictable monthly costs.
- No search volume data is provided. The ledger tracks emergence and classification but not how many people are searching a term, which means you cannot size a keyword opportunity without a second tool.
- The free public leaderboard is capped at the top 20 results daily, and the full ledger requires credits; a solo builder validating many niches simultaneously will burn through the $19 Starter pack's 2,000 credits faster than the marketing copy implies.
Key features
WordRadar pricing
Free beta access by invite, with enough credits to validate a niche weekly. One-time prepaid credit packs are listed: Starter at $19 for 2,000 credits, Pro at $49 for 6,500 credits, and Bulk at $99 for 15,000 credits. Credits never expire. A separate Tech Radar add-on is offered at a $29 one-time early-bird price. Subscription tiers are described as coming in Phase 1 and are not yet available.
| Plan | Price | Who it is for |
|---|---|---|
| Free Beta | $0 | Invite-only access with enough credits to validate a niche weekly. Includes word ledger queries (new, re-spiking, evergreen), HN new-site radar, Proxy-KD SERP scoring, REST API and native MCP server. The ledger/pulse endpoint is free forever. |
| Starter | $19 | One-time purchase of 2,000 credits via Stripe. Credits never expire. Described as enough to validate 50+ niches. |
| Pro | $49 | One-time purchase of 6,500 credits via Stripe. Credits never expire. Positioned for portfolio builders and listed as best value. |
| Bulk | $99 | One-time purchase of 15,000 credits via Stripe. Credits never expire. Intended for agent fleets and heavy API use. |
| Tech Radar Early Bird | $29 | One-time early-bird access to the Tech Radar add-on: website technology intelligence via API and MCP, with change alerts. Incumbents charge $199+/month for comparable API access, per the product page. |
Pricing reflects what we saw at time of review (2026-11). Always confirm current pricing on the tool's own site.
Who should use WordRadar?
WordRadar fits a solo developer or indie site builder who publishes in fast-moving niches and wants to find a keyword before any competitor has indexed a page for it. The MCP-native design means it also suits anyone building AI-driven content pipelines in tools like Claude or Cursor, where pulling live keyword signals into an agent workflow without manual copy-paste is the whole point. A portfolio SEO operator running multiple niche sites will find the site-matching column useful: you feed it your domain families and it tells you which new keyword belongs on which property.
Anyone who needs a mature, GUI-driven SEO platform with content briefs, rank tracking, and a support team should look elsewhere. Surfer SEO, which is already in this directory, covers keyword research through content creation with a full editorial interface and established uptime. WordRadar has no rank tracking, no content editor, and no subscription plan yet live.
Skip it if: Marketing teams or content managers who need a polished, all-in-one SEO dashboard with proven uptime and support.
Tags
Frequently asked questions
How do credits work and do they expire?+
Credits are purchased as one-time prepaid packs via Stripe and never expire. The three available packs are $19 for 2,000 credits, $49 for 6,500 credits, and $99 for 15,000 credits. The ledger/pulse endpoint does not consume credits and is free permanently.
Is there a monthly subscription plan?+
Not yet. As of November 2026, WordRadar is in private beta with only one-time credit packs available. Subscription tiers are described as coming in Phase 1, but no launch date is published.
Does WordRadar provide search volume data?+
No. The ledger tracks when a keyword first appeared in Google autocomplete and classifies it as new, re-spiking, or evergreen, but it does not report monthly search volume. You would need a separate tool to size demand.
How do I connect WordRadar to an AI agent like Claude?+
WordRadar ships a native MCP endpoint. You point Claude or Cursor at the MCP URL using a single API key, and the agent can call keyword operations directly. The npx command to add the MCP server is publicly documented.
Can I access the data without writing code?+
Partially. The top 20 results of every leaderboard are publicly visible on the website daily with no signup required. Full ledger access requires an API key and credits, so deeper use is developer-oriented.
What is the Tech Radar add-on?+
Tech Radar is a beta feature that identifies the technology stack of any website, with API and MCP access and change alerts. It runs on the same credit system and is available at a $29 one-time early-bird price during beta.
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