"Debugging WebRTC SDK Implementation Issues in Visual Studio 2019" matching MCP servers:

PERPBRAIN TypeScript SDK and MCP handler for Hyperliquid, with examples and a receipt verifier. Read-only and simulation-only.

TypeScript SDK for ALTER - identity infrastructure for the AI economy. alter-mcp-bridge exposes mcp.truealter.com as a stdio MCP: identity verification, ~handle resolution, 33-trait vectors, belonging probability, x402 micropayments

Monetizes any API or MCP server by wrapping endpoints with the x402 payment protocol, enabling USDC micro-payments from AI agents with atomic settlement on Base L2.

Offline documentation and API method queries for multiple cryptocurrency exchanges including Gate.io, Bybit, Binance, Bitget, OKX, and OKX DEX.

MCP server that lets an AI analyst place real bets on Binance prediction markets, using Kelly criterion sizing, and tracks its performance through a transparent record of betting slips and outcomes.

Enables AI agents to autonomously quote, execute, and verify on-chain payments in USDG on Robinhood Chain (chainId 4663) under spending policy caps, alongside live PONS price, launch-token metadata, market, and balance lookups. Payments are signed, broadcast, and only marked confirmed once the on-chain receipt and expected USDG transfer event verify.

This plugin enables interaction with blockchain data and NFTs through the Alchemy SDK, allowing operations such as retrieving NFT metadata, fetching NFTs for wallet addresses, and getting the latest block number.

Enables AI agents and MCP clients to manage a private balance on Robinhood Chain by checking balances and pools, reviewing policy and activity, and quoting or executing sends, swaps, withdrawals, and deposits through quote IDs.

Rug pull risk scores and on-chain forensics for memecoins on Solana, Ethereum, Base and Robinhood Chain - launch-bundle detection, funding-origin tracing, deployer history, insider networks and whale flow. 15 read-only tools.

Discover and pay for APIs and MCP tools per call over Bitcoin Lightning (L402): search the bolthub marketplace, preview prices, and pay from your own wallet (LND, NWC, LNbits) with hard budgets, prepaid credit, scoped sub-agent delegation, and verifiable receipts. Non-custodial and works without a wallet for search and free tools.

Enables AI agents to autonomously quote, execute, and verify USDG payments on Robinhood Chain 4663 under configurable spending caps, while accessing PONS price, token, balance, and launch-market intelligence through MCP tools.

The Ultimate Cryptocurrency MCP for AI Assistants - Unified access to crypto, DeFi, and Web3 analytics | MCP Endpoint.

Enables private encrypted messaging between AI agents or wallets for secure coordination.

Historical tick data for Polymarket and Predict.fun crypto Up/Down markets: order books, trades and Chainlink settlement feeds, with file listing and sha256-verified downloads. Also prices, validates and tracks runs for a hosted backtester, and never submits one.

An MCP server enabling AI agents to browse, claim, submit, and manage paid tasks on the SYNAI Relay agent-to-agent task protocol, with on-chain USDC settlement via x402.

Provides AI agents with live and historical daily net flows for US-listed spot crypto ETFs, a composite CEFI sentiment index, and spot prices for 13 cryptocurrencies, along with tools for summary, per-asset history, and weekly analytics.

Provides AI-native access to Aarna's tokenized yield vaults on Ethereum and Base, with tools for vault discovery, performance metrics, transaction building, and portfolio tracking.

Enables AI-powered cryptocurrency trading and analytics across multiple exchanges and blockchains, with integrated Telegram bot and live trading capabilities.

Pay-per-call agent tools (web reader, page extract, email/domain/site/wallet/token checks, screenshot, PDF) via x402 USDC micropayments, with 3 free trial calls per wallet.

Model Context Protocol server for Kaspa operations using WASM SDK. Enables LLMs to interact with the Kaspa network through standardized MCP tools.

The Tollbooth Authority MCP server registers Lightning payment operators, collects certification fees, and issues Schnorr-signed Nostr certificates to certify toll booth operators in the Tollbooth ecosystem.

Bitcoin, Ethereum and 22 more coins: news sentiment scores from 9 crypto news outlets plus the Fear & Greed Index, with the headlines behind each score. Hourly sentiment history for research and backtesting. Three free tools need no wallet; live readings cost $0.01 and hourly history $0.05 per call, paid in USDC on Base via x402. Unsupported coins and no-news results are refused and not charged.

Lets an AI agent hire and pay a verified human: post real-world tasks (voice, observation, judgment) and pay in USDC via a non-custodial x402 auth-capture escrow on Base, budget frozen at deploy. Humans verify their X identity before submitting.

Free MCP server for real-time cryptocurrency data. Get token prices, market overview, top movers, historical charts, and detailed token info directly in Claude Code, Cursor, or any MCP-compatible AI tool. Powered by CoinGecko with 70+ token mappings and built-in caching.

Pre-trade token safety check for AI agents. Simulates a sell before you buy, then reports honeypot, tax, liquidity, pair age, same-ticker impersonation and owner powers as one low/medium/high/unknown verdict. Fail-closed: when a critical check cannot run it answers unknown rather than guessing low. Publishes its own measured error rate with the benchmark harness in the repo.

Gives MCP-compatible LLM agents direct access to real-time MEV and DeFi data via Valorem's x402-paid API endpoints, with payments in USDC on Base mainnet.

BlackForge measures the order books of the major crypto exchanges in real time: depth, liquidity added and pulled, order ladders and what actually traded. 150+ metrics for 14,000+ pairs, in a dashboard or over REST, MCP and a CLI.

Enables AI agents to search marketplace listings, place escrow-protected purchases paid in Nano, track orders, and retrieve signed receipts.

Provides a non-custodial USDC wallet on Base for AI agents, with human-in-the-loop approval for every payment.

MCP server for DeFi execution — lets AI agents swap, provide liquidity, lend, bridge, and run yield strategies across 22 chains in a single transaction. 7 tools for token discovery, portfolio analysis, quoting, and execution via the Haiku API.