Signal AI
Quick answer
Signal AI is an enterprise reputation and risk intelligence platform that combines licensed premium media data with AI analysis, APIs and an MCP connector. Its data comes from sources including Dow Jones Factiva, LexisNexis, Moody's NewsEdge, the FT and the Washington Post, covering traditional media, social media, broadcast, podcasts and LLM or AI search. Features include entity-based AI search, entity-level sentiment and readership data from 5,000-plus publisher relationships. Pricing is not published, and no free plan is listed.
Best for
Enterprise risk, reputation and comms teams that need licensed premium media data and entity-level analysis.
Not for
A small team on a budget, since there is no published price or free plan.
Facts
Pricing
Not publicly published.
From Signal AI's website, checked Oct 2026.
Sources covered
traditional media, social media, broadcast, podcasts, LLMs/AI search
API / MCP
Offers both Data APIs and a direct MCP integration for AI agents, plus a dedicated Signal AI MCP connector
How MarketHQ compares
| Feature | MarketHQ | Signal AI |
|---|---|---|
| Entry price | Free (paid from $29/mo) | Not publicly published |
| Free plan or trial | Free tier, no card required | Not published |
| Sources covered | Hacker News, GitHub, RSS, Stack Overflow, Dev.to, Lobsters, Reddit, LinkedIn, YouTube, X, Perplexity, Product Hunt, Broader web crawl, Bluesky | traditional media, social media, broadcast, podcasts, LLMs/AI search |
| AI engines tracked | ChatGPT, Claude, Gemini, Perplexity, Grok, DeepSeek | Not published |
| API / MCP | Yes, on every paid plan | Offers both Data APIs and a direct MCP integration for AI agents, plus a dedicated Signal AI MCP connector |
Alternatives
- MarketHQ: tracks brand mentions across communities, news, blogs, social and AI answers, with gap analysis and action plans.
- Brandwatch: A large team that needs broad social coverage and has budget for an enterprise suite.
- BuzzSumo: Content and PR teams that want mention monitoring alongside content research and influencer discovery.
- Cision: PR and communications teams that need broadcast, print and journalist-outreach tools alongside AI visibility tracking.
- Contify: A market-intelligence team that wants multilingual news and filings coverage with sales battlecards.
- Critical Mention: PR teams that need broadcast monitoring and AI brand visibility in one place.
- Google Alerts: Anyone who wants free, zero-setup email alerts on a search term.
- Isentia: PR and communications teams in the APAC region that need broadcast and print monitoring alongside AI View.
- Meltwater: PR and communications teams that need broad media, social and AI-signal coverage in one suite.
- Mention: Small marketing teams that want one broad mention feed across the web, social and news.
- Onclusive: A PR or comms team that wants media monitoring bundled with multi-engine AI visibility tracking.
- Prowly: A PR team that wants pitching, media monitoring and AI-citation targeting in one toolkit.
- Pulsar: A global brand that needs audience intelligence across many languages and regional social platforms.
- Synthesio: Enterprise research teams that want consumer intelligence across social, search and ecommerce signals.
- Talkwalker Alerts: A team that only wants free alerts for brand, topic or competitor mentions, delivered by email, RSS or Slack.
- TVEyes: A PR or comms team that needs TV, radio, podcast and online video mention monitoring with API access.
Related
- Best AI visibility and brand monitoring tools: category shortlists with a disclosed method.
- Glossary: definitions of the terms that come up when comparing tools like this one.
Sources
- Signal AI: https://www.signal-ai.com (checked Oct 2026)