"Signal" matching MCP servers:

YAML-rule stock/crypto screener: define a watchlist + plain rules (RSI, SMA cross, volume, 52-week) and get matches via console, Telegram, or MCP. Keyless (yfinance).

5 crypto market analysis skills for Claude Code, Codex & OpenClaw — macro, on-chain, sentiment, technical & news. Installer deploys skills and registers the public MCP data server.

Provides live integrations with GitHub, Spotify, and blog RSS feeds to power a dynamic portfolio.

Publishes experimental MCP Events methods — events/list, events/stream, events/poll, and events/subscribe/events/unsubscribe with verified webhook delivery — so MCP clients can receive pushed notifications alongside a public website. Anonymous visitors appear as floating dots and can ping or send a short message of up to 200 Unicode code points to any chosen name, with no accounts, database, or persistent storage.

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.

Provides a durable SQLite-backed work queue for AI agents, enabling creation, claiming, starting, handing off, failing, and completing work items via MCP tools.

Enables AI agents to retrieve YouTube transcripts, video info, channel video lists, and monitor channels for new uploads, with built-in prompt templates for summaries and industry signals—all without an API key.

Live X/Twitter search and AI trend digests without an API key, charging per call in USDC via x402. Enables real-time tweet search and AI summaries inside MCP clients.

Enables remote Model Context Protocol clients to securely read, search, and send Signal Messenger messages through an HTTP interface backed by a personal signal-cli daemon.

Exposes MCP tools over Streamable HTTP that turn ranked Sygnal signals into voice-ready buyer-intent briefings with analyst verdicts, card and carousel payloads, and session state for a simulated Alexa+ experience. It also surfaces the next recommended action so a voice assistant can guide users through follow-ups, with fallback fixtures when the live signal feed is restricted.

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.

Interprets B2B buyer signals (hiring, funding, tech changes) into structured outreach implications for AI sales agents, bridging the gap between raw signal data and actionable intent.

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.

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.

AI-powered crypto signal intelligence for 20 assets (BTC, ETH, SOL, etc). 6 scoring dimensions: whale activity, technical analysis, derivatives flow, narrative strength, sentiment, market structure. Market regime detection (TRENDING/RANGING), portfolio optimization, and accuracy tracking. 9 read-only MCP tools. Free via MCP, $0.001 USDC via x402 on Base for REST API.

Enables MCP clients to query live Polymarket and Kalshi odds, price history, movers, resolved and closing markets, cross-platform gaps, watch-based change tracking, and X/Twitter sentiment in a single call, paying per request in USDC on Base via x402. Also surfaces ticker-linked event markets and a free example call so agents can inspect results before spending.