"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.

MCPL server that bridges Signal via signal-cli, exposing DMs and group chats as channels and providing signal_send and signal_react tools.

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

An MCP server that lets AI assistants propose sending Signal messages, but nothing is ever sent without explicit human approval.

MCP server for healthcare claims workflow scoring, validation, and feedback, supporting denial risk, prior authorization, and reimbursement assessment.

Signal Found is a Reddit-native B2C/B2B outreach platform. You describe your product, we find people on Reddit already asking for it, and your AI agent handles the rest — messaging prospects, tracking replies, and optimizing your funnel in real time.

Enables MCP clients to connect to a privacy-first, self-hostable workout planning and training log, allowing coaching agents to preview and apply program changes while accessing training data through OAuth-protected endpoints.

Enables ChatGPT to list, create, update, pause, resume, and delete monitoring items in Signal Desk via OAuth-protected MCP tools, with support for periodic execution and Web Push notifications.

Provides cryptocurrency trading signals, market analysis, and portfolio management capabilities across 15+ exchanges with AI-enhanced technical analysis, arbitrage detection, and risk assessment tools.

AI-native quantitative trading signal engine for crypto and TradFi perpetuals. Multi-factor composite BUY/SELL/HOLD signals, cross-venue funding rate arbitrage scanning, and market regime detection powered by Hyperliquid data.

Provides AI agents with direct access to SEC filing intelligence, company fundamentals, dilution risk scoring, and cross-company analytics for financial research.

Enables agent-based editorial operations by consuming Django's internal API. Manages content publication with authorization and auditing.

Enables tracking and querying of vendor changelog entries, release notes, and product announcements, with tools to see recent changes, sweep for active accounts, and check feed coverage.

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.

Pre-build reality check for AI coding agents. Scans GitHub, Hacker News, npm, PyPI & Product Hunt in parallel — returns a 0-100 reality signal with real competitor data.

MCP server exposing Baatjie Group's tanOS property OS and sigscheCore signal scheduler through generic CRUD and workflow tools, featuring audit logging, PII redaction, and dependency-aware action planning.

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.

Enables querying the openFDA drug adverse event database for pharmacovigilance work-ups: case searches, counts and demographic/outcome breakdowns, disproportionality measures (ROR/PRR with Mantel-Haenszel adjustment), and empirical Bayes (MGPS/EBGM) signal scores, including bulk screening and stratification by sex, age, or year alongside confounder-adjusted analyses.

MCP proxy that compresses tool schemas on the fly. Up to 98% token reduction, 100% signal preserved verified after every compression. Zero LLM calls, fully deterministic.

Signal-first Bitcoin intelligence over MCP — sovereign adoption, hiring velocity, and network hashrate as leading, non-price signals with strength, direction, rationale, and primary sources. Information, not financial advice.