MCP Utils

MCP server for address derivation and encoding utilities across multiple blockchains via Crypto APIs

Connector by CryptoAPIs-io · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)

Chalk Labs

Need help deploying MCP Utils?

Chalk Labs sets up agents like this inside real teams: connected to your tools, tested on your data, with a human in the loop where it matters.

Book a call

Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/cryptoapis-io-mcp-utils

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Get the weekly diff

The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.

About

MCP server for address derivation and encoding utilities across multiple blockchains via Crypto APIs

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 0 read · 0 write · 0 delete · 4 not yet classified
Secrets: 1 (API keys, tokens or passwords)
Install scripts: Not scanned yet
Runs as: Node.js package

Tools by what they do 4

Read from the source code; the running server may list different tools.

Not yet classified 4 · We could not tell from the name and description.

derive_addresses
evm_utils
utxo_utils
xrp_utils

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

CRYPTOAPIS_API_KEY

Tools (4)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

derive_addresses
Utils: derive HD wallet (xPub, yPub, zPub) change or receiving addresses without syncing. GET /utils/{blockchain}/{network}/xpubs/{extendedPublicKey}/derive-addresses Derives up to 10 addresses. By default creates receiving/deposit address; set isChange=true for change address (UTXO only).
evm_utils
EVM utils (Utils product): validate address, decode raw transaction hex. Actions: • validate-address: Check if an EVM address is valid • decode-raw-transaction: Decode a raw transaction hex Blockchain → Networks: • ethereum: mainnet, sepolia • ethereum-classic: mainnet, mordor • binance-smart-chain: mainnet, testnet • tron: mainnet, nile
utxo_utils
Description is built at runtime.
xrp_utils
XRP utils (Utils product): validate address, decode/encode X-Address. Actions: • validate-address: Check if an XRP address is valid • decode-x-address: Decode X-Address to classic address and tag • encode-x-address: Encode classic address and tag to X-Address Networks: mainnet, testnet

Signals

Stars: 0
Forks: 0
Open issues: 0
Weekly downloads: 35
Last commit: Sep 28, 2026 (1 month ago)
Last release: Sep 24, 2026 (1 month ago)
Last package publish: Sep 24, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Registry name: io.github.CryptoAPIs-io/mcp-utils
Version: 0.4.0
Auth: API key
Packages: npm @cryptoapis-io/mcp-utils
License: MIT
Repository: github.com/CryptoAPIs-io/cryptoapis-mcp-utils
First seen: Oct 24, 2026
Last checked: Oct 25, 2026
Source: Official MCP Registry github-graphql

More from CryptoAPIs-io

Done for you

Rather not set it up yourself?

Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.

See how we build AI agents →Read the case studies

Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.

launches shipped: 50+; launches shipped
media placements: 500+; media placements
founders on every account: 2; founders on every account

Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block

Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

Get MCP Utils running in your business

Tell us what you want to automate. A founder replies within one working day with a plan, not a pitch deck.

Need help deploying MCP Utils?

Call Get help

Cite this page

MCP Utils. Agent Mart. https://agentmart.dev/connectors/cryptoapis-io-mcp-utils (last updated 2026-10-25)