json.format
Validate and pretty-print JSON with a configurable indent level. [data · v1.0.0 · deterministic: true · permissions: none]
json必填indentcom.formatho由 formatho.com 發布官方發布者v0.3.0更新於 Oct 24, 2026
Self-hosted MCP server: 26 deterministic dev, security, and EVM tools.
自架式 MCP 伺服器,提供 26 個具確定性的開發、安全與 EVM/Web3 實用工具,用於格式化、編碼、雜湊與解碼。
Web executable,透過 Streamable HTTP。 遠端服務在工作區中設定後即可從網頁執行環境執行。
把這段提示詞貼上到 Claude Code、Codex、Cursor 等代理程式,或 SourceWeft 對話中。代理程式會讀取該伺服器的安裝指南,先向你展示發布者、端點和登入方式,經你同意後再把它新增到你的客戶端。金鑰不會寫進任何命令。
閱讀 https://sourceweft.com/mcp/com.formatho%2Fruntime/install.md,並按其中說明把這個 MCP 伺服器接入我的客戶端。修改任何設定之前,先告訴我它的發布者、端點和登入方式,等我確認。不要把 API 金鑰寫進命令或我會提交的檔案;問我金鑰應從哪裡取得。把它新增到你客戶端的 mcpServers 設定中。
{
"mcpServers": {
"runtime": {
"type": "http",
"url": "https://mcp.formatho.com/mcp"
}
}
}Validate and pretty-print JSON with a configurable indent level. [data · v1.0.0 · deterministic: true · permissions: none]
json必填indentValidate JSON and strip all insignificant whitespace. [data · v1.0.0 · deterministic: true · permissions: none]
json必填Validate JSON and report the parse error position if invalid. [data · v1.0.0 · deterministic: true · permissions: none]
json必填Base64-encode text (standard alphabet). [data · v1.0.0 · deterministic: true · permissions: none]
text必填Base64-decode to text. [data · v1.0.0 · deterministic: true · permissions: none]
base64必填Percent-encode text (component encoding). [network · v1.0.0 · deterministic: true · permissions: none]
text必填Decode percent-encoded text. [network · v1.0.0 · deterministic: true · permissions: none]
text必填Convert text to a URL-safe kebab-case slug. [dev · v1.0.0 · deterministic: true · permissions: none]
text必填Hash text with md5/sha1/sha256/sha384/sha512 (hex output). MD5/SHA1 are for compatibility checks only, not security. [security · v1.0.0 · deterministic: true · permissions: none]
text必填algorithmGenerate random UUID v4 values. [security · v1.0.0 · deterministic: false · permissions: none]
countGenerate a cryptographically random alphanumeric string. [security · v1.0.0 · deterministic: false · permissions: none]
lengthDecode a JWT (JWS compact serialization) header and claims WITHOUT verifying the signature. Reports expiry status from the exp claim. [security · v1.0.0 · deterministic: true · permissions: none]
token必填Keccak-256 (Ethereum flavor, NOT NIST SHA3-256) of arbitrary hex or text. [web3 · v1.0.0 · deterministic: true · permissions: none]
data必填encodingCompute the 4-byte function selector from a canonical signature, with reverse lookup against common signatures. [web3 · v1.0.0 · deterministic: true · permissions: none]
selectorsignatureCompute the deterministic CREATE2 address: keccak256(0xff ‖ factory ‖ salt ‖ initCodeHash)[12:]. [web3 · v1.0.0 · deterministic: true · permissions: none]
salt必填factory必填initCodeHash必填Compute Solidity storage slots: simple variables, mapping values (keccak(key ‖ p)), and dynamic array elements (keccak(p) + index). [web3 · v1.0.0 · deterministic: true · permissions: none]
kindkeyHexbaseSlot必填arrayIndexExtract the 4-byte selector from raw calldata, match it against common signatures, and decode static (word-based) arguments: address, uint256, int256, bytes32, bool. [web3 · v1.0.0 · deterministic: true · permissions: none]
calldata必填Uniswap v4 hook permissions: compute the 14-bit permission field from hook-call names, or decode the field from a hook address (bits live in the LOW 14 bits: address & 0x3FFF). [web3 · v1.0.0 · deterministic: true · permissions: none]
callsaddressExact EIP-4626 vault math in BigInt: convert assets to shares (round down) and shares to assets (round down), with optional virtual offsets. [defi · v1.0.0 · deterministic: true · permissions: none]
amount必填directiontotalAssets必填totalSupply必填virtualAssetsvirtualSharesConvert Unix seconds/milliseconds to ISO 8601 (UTC) and back. [dev · v1.0.0 · deterministic: true · permissions: none]
isovalueTest a regular expression against text: match result plus all capture groups. [dev · v1.0.0 · deterministic: true · permissions: none]
text必填flagspattern必填Convert an identifier between camelCase, snake_case, kebab-case, CONSTANT_CASE, and Title Case. [dev · v1.0.0 · deterministic: true · permissions: none]
totext必填Encode text to hex, or decode hex (with or without 0x) to text. [data · v1.0.0 · deterministic: true · permissions: none]
hextextEIP-55 checksum an Ethereum address, or verify a checksummed one. [web3 · v1.0.0 · deterministic: true · permissions: none]
address必填Convert EVM amounts between wei, gwei, and ether with exact BigInt math. [web3 · v1.0.0 · deterministic: true · permissions: none]
tofromvalue必填List every registered Formatho tool with version, category, deterministic flag, permissions, and Formatho Verified status. [meta · v1.0.0 · deterministic: true · permissions: none]
無需輸入參數。
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