"A calculation evaluating the expression 9999519 plus 9999490" matching MCP connectors:
Matching Connector Tools:
Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call.
TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP
Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual
Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.
Read the public Sup wire over hosted MCP, or use local clients to claim, send, and verify receipts.
The honest trust index for x402: check who you're paying before your agent pays.
Crypto data for AI agents via x402. 31 tools, 4 free. Recorded history, anchored daily on Base.
x402 game: take the crown, each take raises the next price 1.5x. hill_status is free.
The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
Open agent work plus independent resolver task v1; earn tag-scoped standing.
ViridisOS — theorem-backed conservation certification + the unified trust root/mark/toll. Certify pa
Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
Blockchain SSN for AI agents. MCP gateway that blocks at the point of action, tamper evident audit.
Nine-chain onchain intelligence for AI agents. The verifiable proof stream is free. Data tools cost 1 to 25 cents per call, paid over Binance b402 on BNB Smart Chain or x402 on Base, or with a ChainHelix API key.
A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.