MCP server directory

Give your agent a memory. june-mcp is the official MCP server for Junê — it connects any MCP host (Claude Desktop, Claude Code, and friends) to a June knowledge graph, so your agent can ask, search, and remember against a shared, cited, tenant-isolated memory. This package is a thin, zero-logic connector: all retrieval, graph assembly, and answering happen on the June endpoint you point it at. No engine code lives here — which is why it's small enough to read in one sitting. june-mcp speaks to any June service. Three ways to have one:

6 tools · june_answer, june_enumerate

Connect the official ActivitySmith MCP server to Claude Code, Cursor, Codex, Grok, or any other client that supports remote MCP servers. After OAuth approval, your agent can send remote approvals and Push Notifications while showing real-time updates with Live Activities on your iPhone and iPad. Set a standing rule for actions that need your approval, such as making any purchase, deploying to production, publishing publicly, sending an external email, or deleting data. When an agent reaches that boundary, ActivitySmith stores its request and delivers two clearly labeled actions through a Live Activity or Push Notification.

6 tools · create_widget_metric, list_push_notifications

An MCP server that provides real-time data and insights from the Hyperliquid perp DEX for use in bots, dashboards, and analytics.

Providing real-time funding rate data across major crypto exchanges.

Non-custodial DEX trading on the Casper Network via [CSPR.trade](https://cspr.trade). 14 tools for market data, swaps, liquidity, and account queries. Transactions built remotely, signed locally — private keys never leave the machine. Public endpoint: `https://mcp.cspr.trade/mcp`

A mcp server that bridges Dune Analytics data to AI agents.

Delivering crypto ETF flow data to power AI agents' decision-making.

An MCP server that aggregates live governance proposals from major DAOs.

Provides real-time trending tokens from DexScreener.

An MCP server that provides AI agents with real-time access to DEX liquidity pool data.

An MCP server for AI agents to explore DeFi yield opportunities.

An MCP server that integrates with the Freqtrade cryptocurrency trading bot.

Deterministic risk governance for crypto trading agents. 5-level policy engine with position sizing, leverage limits, and trade blocking. BTC + ETH.

MCP server that closes the feedback loop for AI coding agents — CI monitoring, process watching, file changes, HTTP polling.

Add Bitcoin Lightning payments to MCP-enabled AI agents. Pay invoices, create invoices, check balances, and access L402 paywalled APIs. Supports Strike, OpenNode, NWC wallets.

Give AI agents a Bitcoin Lightning wallet with L402/X402 paid API support, operator/agent hierarchy, budget controls, and CLI interface.

MCP server for LightningProx — pay-per-request AI access via Bitcoin Lightning. Supports vision/multimodal.

An MCP Server for the Alpaca trading API to manage stock and crypto portfolios, place trades, and access market data.

📇 ☁️ – Macro-factor quantitative trading signals for AI agents. 8 tools for strategy discovery, live signal retrieval, and self-service trial registration. Covers US and A-Share markets with forward-tracked performance.

Generate Pix QR codes and copy-paste strings with fallback across multiple providers (Efí, Cielo, etc.) for Brazilian instant payments.

📇 🏠 This is an MCP server for interacting with the VRChat API. You can retrieve information about friends, worlds, avatars, and more in VRChat.

Unofficial PayPal Braintree payment gateway MCP Server for AI agents to process payments, manage customers, and handle transactions securely.

AI-powered startup due diligence. Screen any startup across 7 IMPACT-X dimensions, get a Sieve Score (0-140) with evidence-typed findings and a clear meeting recommendation. Built for VCs, solo GPs, and angel investors.

MCP to Access SEC filings, financials & insider trading data in real time using [ShareSeer](https://shareseer.com)

Brazilian Central Bank (BCB) economic data — 18,000+ time series including Selic, IPCA, exchange rates, GDP, and 150+ curated indicators via the SGS/BCB public API.

SEC filing intelligence for AI agents: insider (Form 4) & institutional (13F) ownership, dilution-risk scoring, congressional & executive (STOCK Act) trades, FEC campaign finance, SEC filing search, compliance monitoring, and a dilution-aware stock screener. 86 tools over live Signal8 data.

Live cryptocurrency market data. 8 tools for real-time prices, OHLCV, order books, and market summaries. Zero API keys required. Zero dependencies.

Full-stack L402 SDK: server middleware (Express/FastAPI/axum/net/http) + agent client with auto-pay. 4 languages (TypeScript, Python, Go, Rust). MCP server, LangChain integration, budget control. `npx l402-kit-mcp`

> [!IMPORTANT] > This repository is archived and no longer maintained. > > QA Sphere now serves an MCP server directly — there is no need to run this > standalone package. The hosted server is always up to date with the QA Sphere > API, exposes the full set of tools allowed by your role, and needs nothing > installed locally. > > Recommended setup: in QA Sphere go to Settings ⚙️ → MCP Server, pick your > assistant and access level, add an API key, and follow the setup instructions shown > there. See the QA Sphere documentation for details. > > The instructions below are kept for reference only. While running the standalone > server, it points this out once per session; set > QASPHERE_MCP_HIDE_MIGRATION_NOTICE=1 to silence that.

3 tools · Chat about test cases, Discover test cases

Free Polish VAT invoice generator API (Faktura VAT) with PDF output and preview. No API key required.

Calibrated world model for AI agents from 9,700+ prediction markets. 16 MCP tools covering real-time world state, market search, thesis management, edge detection, and content enrichment across Kalshi and Polymarket. `get_world_state` returns ~800 tokens of calibrated probabilities — no API key needed.

Local-first semantic memory server with hybrid search, plain Markdown storage, MLX or CPU embeddings, contradiction detection, time-travel history, synthesis, and cross-machine git sync.

Read-only Blocksize market-data discovery MCP package. Search instruments, inspect pricing and docs, and build x402 HTTP URLs for paid live data with USDC settlement on Solana and Base.

MCP server that gives AI agents structured, ground-truth GitHub repository intelligence. Analyze tech stack, dependencies, architecture, health metrics, and security indicators with deterministic JSON output.