"A resource for understanding Claude's context window and how it works" matching MCP servers:

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

A server that enables interaction with the Solana blockchain, providing access to over 40 Solana RPC methods including getting balances, transaction details, block information, and sending transactions.

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.

Trace hidden insider wallet clusters behind Solana tokens before you ape — safety score, honeypot & LP-lock check, no signup for first 5 calls/day.

Enables users to compare current Aerodrome veNFT voting positions, bounded claimable rewards, and selected pools' voting evidence on Base against a saved local baseline, with retryable, atomically stored change reports. All tools are read-only on chain, requiring no keys, signing, or transactions.

23 tools for AI agents working with Nostr Open source. No API key. No account. NIP-46 remote signing Publish notes, reply, react, repost Encrypted DMs (NIP-04 + NIP-44) Fetch events, profiles, social graph

An MCP server that provides access to Stern, a philosophical AI mentor combining rationalist thinking with stoic philosophy to guide users through personalized mentorship and smart contract accountability on Solana.

A remote MCP server that links World ID 4.0 sessions to AI assistants, enabling verified human authentication and tools for claiming Founding Human places, accessing human grants, and interacting with a verified human wall.

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

A Model Context Protocol server that enables Claude AI to interact with the Solana blockchain, allowing it to execute transactions, query accounts, manage wallets, get price predictions, trade tokens, and access various blockchain data sources.

Teaches AI coding agents how to reason correctly about MetaMask Embedded Wallets / Web3Auth architecture, SDK choice, key derivation, auth flows, and common integration pitfalls.

Enables AI agents to check TRON energy prices, estimate the energy a USDT transfer needs, and rent energy for a receiver under a configurable spending cap, without ever handling wallet keys. It also exposes address resource lookups, held quotes, and order status so agents can watch a delegation land on chain.

9 tools, Lightning-gated. Pay per call. For agents that need verifiable signed actions with an audit trail. Nostr event signing via daemon Publish events to relays Create Lightning invoices Action receipts — signed proof of agent actions Identity attestation

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

Enables agents to authenticate and route webhooks from Shopify, Stripe, GitHub, Slack, and PayPal using HMAC-SHA256 constant-time verification and timestamp replay-window validation. It then multiplexes verified events into agent workflows without external runtime dependencies.

MCP server for building, auditing, and querying BitBadges collections via AI. Works with Claude Desktop and other MCP clients to generate transaction JSON for BitBadges tokens and collections (deprecated, use bitbadgesjs-sdk).

A minimal demo of the x402 payment protocol protecting an MCP tool endpoint, showing how to charge for MCP tools using real 402 rejections and testnet payments.

A comprehensive Model Context Protocol server that enables AI agents to interact with BNB Chain, opBNB, and other EVM networks through natural language. It provides tools for DeFi trading, DEX swaps, smart contract deployment, token operations, security analysis, and market data across multiple blockchain networks.

Provides a Model Context Protocol interface to the Sponge wallet API for managing digital assets and transaction histories. It enables users to securely check balances, retrieve addresses, and perform transfers using DAuth-style credential exchange.

Enables agents to search and retrieve public job listings from web3.career through the search_jobs and get_job tools, with keyword, location, remote, date, and limit filters. It is read-only, returns structured job details such as title, company, location, and apply URL, and works with any MCP host.