runtime

com.formatho/runtimeVersion 0.3.0

Self-hosted MCP server: 26 deterministic dev, security, and EVM tools.

Status

Responds455 msNov 14, 2026, 13:57 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:57 UTC
Latency: 455 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://mcp.formatho.com/mcpResponds455 msNov 14, 2026, 13:57 UTC

No sign-in

Claude Code

claude mcp add --transport http runtime https://mcp.formatho.com/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: runtime
Remote MCP server URL: https://mcp.formatho.com/mcp

Cursor

{
  "mcpServers": {
    "runtime": {
      "url": "https://mcp.formatho.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"runtime","type":"http","url":"https://mcp.formatho.com/mcp"}'

Streamable HTTP

oci: docker.io/formatho/formatho-runtime:0.3.0

Package only

This address cannot be turned into a client config.

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Tools

26 tools

Tools of runtime
	Description		Read-only	Idempotent	Open world
`base64.decode`Base64-decode to text. [data · v1.0.0 · deterministic: true · permissions: none]	Base64-decode to text. [data · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`base64.encode`Base64-encode text (standard alphabet). [data · v1.0.0 · deterministic: true · permissions: none]	Base64-encode text (standard alphabet). [data · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`case.convert`Convert an identifier between camelCase, snake_case, kebab-case, CONSTANT_CASE, and Title Case. [dev · v1.0.0 · deterministic: true · permissions: none]	Convert an identifier between camelCase, snake_case, kebab-case, CONSTANT_CASE, and Title Case. [dev · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`erc4626.math`Exact 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]	Exact 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]	Not declared	Not declared	Not declared	Not declared
`evm.checksum_address`EIP-55 checksum an Ethereum address, or verify a checksummed one. [web3 · v1.0.0 · deterministic: true · permissions: none]	EIP-55 checksum an Ethereum address, or verify a checksummed one. [web3 · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`evm.create2_address`Compute the deterministic CREATE2 address: keccak256(0xff ‖ factory ‖ salt ‖ initCodeHash)[12:]. [web3 · v1.0.0 · deterministic: true · permissions: none]	Compute the deterministic CREATE2 address: keccak256(0xff ‖ factory ‖ salt ‖ initCodeHash)[12:]. [web3 · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`evm.decode_calldata`Extract 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]	Extract 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]	Not declared	Not declared	Not declared	Not declared
`evm.function_selector`Compute the 4-byte function selector from a canonical signature, with reverse lookup against common signatures. [web3 · v1.0.0 · deterministic: true · permissions: none]	Compute the 4-byte function selector from a canonical signature, with reverse lookup against common signatures. [web3 · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`evm.keccak256`Keccak-256 (Ethereum flavor, NOT NIST SHA3-256) of arbitrary hex or text. [web3 · v1.0.0 · deterministic: true · permissions: none]	Keccak-256 (Ethereum flavor, NOT NIST SHA3-256) of arbitrary hex or text. [web3 · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`evm.storage_slot`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]	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]	Not declared	Not declared	Not declared	Not declared
`evm.unit_convert`Convert EVM amounts between wei, gwei, and ether with exact BigInt math. [web3 · v1.0.0 · deterministic: true · permissions: none]	Convert EVM amounts between wei, gwei, and ether with exact BigInt math. [web3 · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`evm.v4_hook_permissions`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]	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]	Not declared	Not declared	Not declared	Not declared
`formatho.registry`List every registered Formatho tool with version, category, deterministic flag, permissions, and Formatho Verified status. [meta · v1.0.0 · deterministic: true · permissions: none]	List every registered Formatho tool with version, category, deterministic flag, permissions, and Formatho Verified status. [meta · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`hash.text`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]	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]	Not declared	Not declared	Not declared	Not declared
`hex.encode`Encode text to hex, or decode hex (with or without 0x) to text. [data · v1.0.0 · deterministic: true · permissions: none]	Encode text to hex, or decode hex (with or without 0x) to text. [data · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`json.format`Validate and pretty-print JSON with a configurable indent level. [data · v1.0.0 · deterministic: true · permissions: none]	Validate and pretty-print JSON with a configurable indent level. [data · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`json.minify`Validate JSON and strip all insignificant whitespace. [data · v1.0.0 · deterministic: true · permissions: none]	Validate JSON and strip all insignificant whitespace. [data · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`json.validate`Validate JSON and report the parse error position if invalid. [data · v1.0.0 · deterministic: true · permissions: none]	Validate JSON and report the parse error position if invalid. [data · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`jwt.decode`Decode 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]	Decode 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]	Not declared	Not declared	Not declared	Not declared
`random.string`Generate a cryptographically random alphanumeric string. [security · v1.0.0 · deterministic: false · permissions: none]	Generate a cryptographically random alphanumeric string. [security · v1.0.0 · deterministic: false · permissions: none]	Not declared	Not declared	Not declared	Not declared
`regex.test`Test a regular expression against text: match result plus all capture groups. [dev · v1.0.0 · deterministic: true · permissions: none]	Test a regular expression against text: match result plus all capture groups. [dev · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`slug.generate`Convert text to a URL-safe kebab-case slug. [dev · v1.0.0 · deterministic: true · permissions: none]	Convert text to a URL-safe kebab-case slug. [dev · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`timestamp.convert`Convert Unix seconds/milliseconds to ISO 8601 (UTC) and back. [dev · v1.0.0 · deterministic: true · permissions: none]	Convert Unix seconds/milliseconds to ISO 8601 (UTC) and back. [dev · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`url.decode`Decode percent-encoded text. [network · v1.0.0 · deterministic: true · permissions: none]	Decode percent-encoded text. [network · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`url.encode`Percent-encode text (component encoding). [network · v1.0.0 · deterministic: true · permissions: none]	Percent-encode text (component encoding). [network · v1.0.0 · deterministic: true · permissions: none]	Not declared	Not declared	Not declared	Not declared
`uuid.v4`Generate random UUID v4 values. [security · v1.0.0 · deterministic: false · permissions: none]	Generate random UUID v4 values. [security · v1.0.0 · deterministic: false · permissions: none]	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Sep 12, 2026
Updated: Sep 12, 2026
Website: Not given
Repository: Not given
Categories (suggested): Developer toolsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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