"Free PostgreSQL Database Solutions" matching MCP servers:

An MCP server that enables fee-free USDC transfers on the Base blockchain network using Coinbase CDP MPC Wallet integration, with support for ENS and BaseName domain resolution.

MCP server for Chainlink Runtime Environment, enabling build, simulate, deploy, and manage CRE workflows from any MCP client.

Enables natural language queries and JSON-RPC calls to 69+ blockchain networks through Grove's free public endpoints. Supports Ethereum, Solana, Cosmos chains, and Layer 2 solutions without requiring authentication or API keys.

Free MCP server for x402toll.com, enabling AI agents to discover and use verified, pay-per-call calculators with free previews and hash verification, supporting payments via x402 protocol on Base.

MCP server for non-custodial token swaps and honeypot/rug-pull safety checks across 8 blockchains, with free quotes and paid x402-based transaction builds and security screenings.

Market-timing bottom/top signals for ten markets — crypto, US/Korea/China/Hong Kong stocks, commodities, FX, inflation and Seoul/Dubai property — returning a verdict and a -100..+100 score per symbol plus market-wide bottom/top scans. Ships a stdio proxy to the ten remote Streamable HTTP endpoints; the free pitch tool introduces each market's catalog.

Provides a pay-per-query web search tool for AI agents via Lightning Network sats, enabling no-KYC, account-free searches through the MCP protocol.

Name intelligence for TON: score any Telegram username (0–100, validated on 111k+ Fragment sales), catch mints, track the market — plus free API for AI agents.

Blockchain JSON-RPC on 23 EVM chains for AI agents — Ethereum, Base, Arbitrum, plus young chains like Robinhood Chain, Plasma and Ink. Free reads with no key; heavy methods (eth_getLogs, trace, debug) via a free API key or x402 USDC pay-per-call.

Identity infrastructure for the agent economy. Mint an agent ~handle in two free calls with no human account, then verify anyone and read inferred traits under the consent the person set in advance.

⚡ 87% Token-compressed clean web scraping, YouTube AI transcripts, and PDF extraction for LLMs. Instant Free Trial with zero setup (No wallet/crypto required). Supports gasless agent vaults and EIP-712 on-chain oracle verification on Polygon, Base & Arbitrum.

Solana KOL trading intelligence and deployer analytics. Query real-time trades from 946 tracked KOL wallets, convergence signals, PnL leaderboards, and elite Pump.fun deployer alerts — paid per request with USDC via x402.

PulseChain on-chain analytics for AI agents. 20 tools: token safety scores (0-100, A-F), honeypot detection, whale tracking, smart money feed, scam alerts, DEX volume, bridge stats, holder leagues. 11 free + 9 pro with API key.

Read-only MCP server for Blocksize real-time market data: crypto VWAP, bid/ask, FX, metals and tokenized equities, with pricing, coverage and x402 endpoint lookup. Signed-in users of the Claude, ChatGPT and Cursor connectors get 30,000 free live-data credits every month (1 credit = $0.001); subscriptions from EUR 49/month.

Provides remote SSE-based computational infrastructure with 40+ deterministic tools, including free utilities like JSON repair and context trimming, plus pay-per-call web3 and network oracles for autonomous AI agents.

MCP server for the AI-agent economy: free Kazakhstan / Central-Asia utilities (Kazpost parcel tracking, IIN/BIN & IBAN validation, GLEIF LEI lookup, KZT/ECB FX rates, weather) callable with no account, plus per-call purchase of KYA-verified API listings governed by Regent Protocol.

Cryptocurrency MCP Server! Free! This powerful tool is designed for blockchain enthusiasts, providing comprehensive, real-time cryptocurrency information at your fingertips. Whether you're an experienced trader or just starting your journey into the crypto world.

Hosted MCP server for AI agents on X1, Arc, Solana and Base (Streamable HTTP at https://apexfaucet.xyz/mcp, no API key). Token exit checks on eight chains (can you sell it again?), Arc launch feeds with sell tests, Arc yield vaults with real exit liquidity, Base token verdicts, a web page reader, and free X1 and Arc faucets claimed by signature. Paid tools are pay per call over x402 in USDC.

Agent payments ecosystem intelligence. Scans GitHub, Hacker News, and npm for activity across AP2, ACP, x402, MPP, and UCP protocols. Returns scored and classified opportunities. Free protocol info and comparison, paid scan via x402 USDC

Deep Research for crypto - free & fully local 🧠