"npm" matching MCP servers:

Enables users to manage API keys and perform Aptos Build actions through MCP-compatible interfaces like Claude and Cursor. This server facilitates development workflows on the Aptos blockchain by integrating directly with the Aptos Build platform.

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.

Hashlock Markets — sealed-bid intent-based crypto trading via MCP for AI agents. Atomic cross-chain settlement (Ethereum, Bitcoin, Sui) using HTLC. Six MCP tools for RFQ price discovery without information leakage and HTLC settlement without escrow or bridges. Canonical npm: @hashlock-tech/mcp.

Hashlock Markets (hashlock.markets) — sealed-bid intent-based crypto trading protocol with HTLC atomic settlement. AI agents can create, commit, and validate trading intents on Ethereum, Bitcoin, and Sui. Canonical npm package: @hashlock-tech/mcp. Not the cryptographic hashlock primitive, not Hashlock Pty Ltd (hashlock.com).

The only MCP server that gives AI agents native access to Stacks, Celo, and Base — from a single npm package.

MCP server for Bags on Solana. Reads token analytics, creator-fee data and trade quotes; executes swaps and fee claims only behind a token gate, a hard SOL spend cap, and a single-use confirmation token bound to the exact arguments. The first call to a write tool signs nothing — it returns a preview. 14 tools, 337 tests at 100% coverage enforced in CI, mainnet-only writes, npm provenance.

Wallet-funded MCP client for six paid Utilia tools: Solana priority fees, transaction diagnosis and simulation, token-risk checks, PDF-to-Markdown, and audio normalization over x402. MIT-licensed and installable from npm.

Solana memecoin rug check and token risk for trading agents in the trenches: pump.fun launches, calibrated rug probability with a published hit rate, sniper, insider and bundle detection, holder clusters, KOL trades, wallet history and a live sellability check for memecoins. Available as a remote MCP endpoint (OAuth or API key) and as an npm stdio package.

Deterministic supply-chain provenance, SBOM/AI-BOM generation, and dependency risk analysis for npm and PyPI packages, with 14 security rules and verifiable reports.

Provides coding agents with 19 pay-per-call developer utilities, npm supply-chain security checks, and Base blockchain lookups, paid via USDC on Base using x402. No API key needed—payment acts as authentication.