Signals
Track funding rounds, acquisitions, and executive moves across companies and investors.
Access deduplicated, entity-resolved data on company funding events, acquisitions, mergers, and executive appointments. Search and filter by industry, geography, funding stage, and investor type. Build watchlists to monitor companies. Requires DataHyena account and credits.
Try asking Muse: "Show me all AI companies that raised Series A funding in the US in the last month."
Source: Found in the official MCP Registry (com.datahyena/signals) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 52 min ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://api.datahyena.com/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 112ms. Worked in 100% of checks over 30 days.
Screening · September 24, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 11
funding_eventsList funding events ordered by announcement date, newest first. Filter by round, amount range, company HQ country, industry group, or a specific company id. Costs one credit per returned record.acquisitionsList acquisition and merger events ordered by announcement date, newest first. Filter by payment type, deal amount range, merger flag, or a company that is the acquirer or target. Costs one credit per returned record.exec_movesList executive appointment, promotion, departure, and transition events ordered by announcement date, newest first. Filter by company, person, role seniority, move type, or a time window. Costs one credit per returned record.companiesSearch and filter company records by keyword, exact domain, HQ country, industry group, NAICS code, employee-count bucket, or founded-year range. Costs one credit per returned record.investorsSearch and filter investor records by keyword, type, HQ country, or exact domain. Costs one credit per returned record.company_timelineReturn one company's timeline: firmographics, investors, and a chronological list of funding rounds, acquisitions, and executive moves. Resolve the company by id, domain, name, or LinkedIn URL. Pick event kinds with include (default all). Costs one credit for the company plus onelist_watchlistsList the workspace's account watchlists with member counts. Free.get_watchlistReturn one watchlist with its resolved company members. Free.create_watchlistCreate a named account watchlist. Free.add_to_watchlistAdd companies (domain, name, LinkedIn URL, or id) to a watchlist. Returns a per-item result of added, already_present, or unresolved. Free.remove_from_watchlistRemove companies from a watchlist. Free.Recent checks
Link
https://api.datahyena.com/mcpQuestions about Signals in Muse
How do I connect Signals to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Signals to help me. It is a free service with an MCP server at https://api.datahyena.com/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Signals working right now?
At the last check (September 28, 2026, 08:16 UTC) the endpoint was working, answering in 112ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Signals safe to connect to Muse?
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Signals do in Muse?
It exposes 11 tools, including funding_events, acquisitions, exec_moves, companies. For example, you could ask Muse: "Show me all AI companies that raised Series A funding in the US in the last month."
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This listing was added from public sources (Found in the official MCP Registry (com.datahyena/signals)). If you build Signals, claim it to correct the details and get your badge.
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