"A system or program using SSE instead of STDIO" 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.
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
Blockchain SSN for AI agents. MCP gateway that blocks at the point of action, tamper evident audit.
Concentrated liquidity on Uniswap/Aerodrome (rebalance, compound, leverage) or single-sided lending.
A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.
A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.
Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.
Nine chain onchain intelligence with a verifiable onchain signal attestation stream
Verify on-chain lifecycle state and provenance of NFC-tagged physical products.
On-chain DEX aggregator quotes, phantom-liquidity scanning, and live proof-of-solvency across Base, Ethereum, Optimism, Arbitrum, and Robinhood Chain. Keyless, no auth.
Zero-install remote MCP server for proof-of-existence file attestation.
Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.
Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.
Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.
An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE