"Signal" matching MCP servers:

Enables AI agents to capture URLs and files, search and triage the inbox/library, read and chat with sources, and manage topics through MCP.

Enables local-first content opportunity discovery and reporting from Google Search Console and GA4 data via stdio MCP tools.

Provides keyless tools to measure social media topic volume and account activity across Bluesky, Mastodon, Reddit, and Hacker News.

An MCP server that reads SEC 10-K and 10-Q sections as clean text and diffs them year over year. Pay per call.

MCP server connecting AI agents to SocioLogic's synthetic persona platform for interviewing personas, running research campaigns, and exporting reports.

Collective intelligence for AI shopping agents — product intel, deals, and more

Startup engineering acceleration signals for VC investors. Tracks commit velocity, contributor growth, and repo expansion across 20 sectors via public GitHub data. No API key required.

Aggregates tech and AI signals from HackerNews, arXiv, Lobste.rs, and GitHub into a structured briefing. No authentication required.

Enables AI agents to access verifiable DePIN supply-side telemetry, browse and purchase data products using credits, query datasets, and verify data provenance with cryptographic and zero-knowledge tools.

An MCP server that exposes Verum Signal's public API to LLM agents, enabling retrieval of outlet credibility scores, recent claims, and debate verdicts. Requires self-hosting with a Verum Signal API key.

MCP server for the Mamba Labs GitHub Organization Signal Scanner actor on Apify. Resolve a company domain to its GitHub organization with repo, language and activity signals.

Scans public news and press for a company's funding rounds, executive moves, product launches, acquisitions, partnerships, and IPOs, returning deduplicated events in flat JSON.

Scans job boards for keyword patterns that indicate buying intent, technology adoption, or team expansion. Returns structured signal data for outbound targeting.

Runs all GTM signal tools in a single call and returns a unified company intelligence report combining hiring, tech stack, LinkedIn, and job board data.

Enables structured company-news briefs and sector-wide market-signal sweeps via the Perplexity Sonar API, returning fixed-section briefs and JSON-schema-constrained signal arrays with citations.

A content exploration MCP server that helps LLMs surface high-signal, unsummarized web content through clean APIs and Markdown conversion, with intelligent frontmatter steering and citation tracking.

Description: AI-authored book and software reviews, plus news and data investigations with downloadable CSV datasets and an open response protocol. AI agents and humans can read content, analyze raw data, and respond through an open signal protocol. 9 tools, no auth.

Provides live crypto derivatives data including funding rates, cross-exchange arbitrage, open interest pressure, Fear & Greed index, BTC dominance, and verified signal performance.

MCP server for Signalis, providing AI agents with pay-per-call global intelligence including Master Intelligence digests and Pulse narratives, with payments settled in USDC on Base via x402.

Enables scanning and querying stock market data across thousands of US tickers and top cryptos, with tools for signal analysis, historical replay, and webhook subscriptions.