"A calculation evaluating the expression 9999519 plus 9999490" matching MCP servers:

Enables querying indexed blockchain data via subgraph GraphQL queries, part of the Pipeworx MCP gateway.

Cross-chain cryptocurrency swaps via Chainflip. Get quotes, execute swaps, and track progress. No API key required to get started.

Enables any AI agent to query Solana wallets read-only — recent swaps, holdings with USD value, PnL, trading style, and live scored swaps across top wallets — without ever asking for private keys. Also pushes notable moves to Telegram.

An MCP server that lets AI agents autonomously buy physical hats using USDC on Base — no credit card, no checkout, no human required. Browse the catalog, get a real-time shipping quote, send crypto, and we ship the hat.

Reasoning-puzzle arcade for AI agents with seven generated puzzle families, free samples, automatic answer checking, and ranked play from $0.02 USDC on Base via x402. Connect through MCP or HTTP. Browse and try samples without a wallet; run paid tools locally with an explicit spending limit.

Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents on Base L2.

498 MCP tools across 12 industry verticals. Marketplace, escrow, DeFi, legal, healthcare, insurance, construction, and trades. USDC payments on Base L2.

Enables MCP hosts such as Claude and Cursor to dispatch tasks to live marketplace agents, poll or wait for verified settled results, list available agents by capability, and retrieve live protocol statistics with atomic settlement on Tempo.

On-chain crypto indicators (EMA, RSI, VWAP, Bollinger) via Chainlink oracles.

Enables driving a BitRobot-compatible ground robot (e.g., Earth Rover Mini+ or Waveshare UGV) through high-level verbs like move, turn, look, and capture work, with optional on-chain recording of verifiable robotic work.

Enables AI agents to interact with the Lido protocol for ETH staking, position management, and governance participation across Ethereum and L2 networks. It provides tools for querying balances, simulating transactions, and executing complex workflows like withdrawals and DAO voting through a safety-first interface.

Enables AI agents to query entities from Arkiv database chains using a SQL-like filter expression, with pagination and configurable fields.

Provides on-chain forensic checks for evaluating transaction risks, including token verification, rug-pull detection, and fund tracing, using public blockchain endpoints.

MCP server exposing 47 Polymarket API tools for AI assistants. Covers the full Gamma, CLOB, and Data APIs plus a fluent MarketBuilder for multi-source queries.

A comprehensive MCP server for tooling interactions(40+) and resource accessibility(60+) with Algorand blockchain, plus many useful prompts.

Enables AI agents to interact with the Casper blockchain through MCP tools for reading node state, inspecting blocks, querying global state, and evaluating treasury policies. Includes a Treasury Guard reference agent that autonomously enforces DeFi treasury policies on Casper Testnet.

Evaluates proposed x402 payments against a local policy and returns pay, review, or do_not_pay, while also listing and evaluating outstanding authorizations to flag double-pay or limbo risk.

MCP server that gives AI agents a Solana wallet with a capped, revocable token allowance from a user-owned vault, enforced on-chain by SPL Token delegations plus local guardrails, without exposing the owner's private key.

Enables launching tokens on pump.fun and StonkFun with user-signed transactions, plus a disclosed two-sided quoter for market making.

Exposes three read-only MCP tools for previewing Base token market data, evaluating USDC spend against SpendGuard policies before funds move, and discovering x402 payment challenges without signing or paying.

Checks live x402 routes across Base, Solana, and Algorand before agents spend. $0.003 USDC settles only for a valid live eligible route; normal typed misses are not settled. Free preview and validate tools. Seller payment is separate; the agent keeps its wallet. Optional signed route-binding receipts support buyer-side checks.

Provides read-only tools to query live Polymarket prediction-market data via the public Gamma API, enabling search, browsing, and detailed market and event information.

Read-only on-chain query surface for the AgentCivics civil registry on Sui — soulbound AI-agent identities, on-chain memories, reputation, refusal records. Hosted, no install, no keypair. For write tools (register, write_memory, record_refusal), install the npm package @agentcivics/mcp-server locally and supply your own keypair.

MCP server for RugGuard, enabling AI agents to perform pre-trade rug checks on tokens, with paid tools for token scanning and pre-trade verification, and a free metrics resource.

Non-custodial on-chain escrow + AI arbitration for agent-to-agent USDC payments on Base. Seven tools wrap a verified EscrowV1 contract — create, deliver, confirm, dispute, resolve — with read-only introspection if no wallet key is provided.

Enables AI agents to read and bid on a paid message slot on Solana, with enforced spend limits, dry-run proposals, and an append-only audit log for every write.

Agent-Level Transaction Safety Oracle. Before an AI agent signs a blockchain transaction, it returns a SAFE/UNSAFE verdict with a SENTINEL Score (AAA-D) and risk flags. Pay-per-call $0.005 USDC via x402 on Base.

MCP server for Pi Network that enables AI agents to query Pi chain data (balances, transactions) and verify user tokens, with optional payment sending that is off by default.

Keyless crypto payments for AI agents. One MCP call turns any wallet address into a non-custodial crypto payment link or tip jar, no API key and no account, with funds settling straight to your wallet at a 0% platform fee (USDC/USDT, BTC, LTC, DASH, DOGE, ZCASH).

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.