devutils
Free hosted dev toolkit: uuid, hash, base64, JWT decode, CSV->JSON, time, JSON tools as MCP
Should I use this
Quality & Safety
Findings (3)
- LOWTool 'hash_text' description lacks action verbin hash_text
- LOWTool 'base64_encode' description lacks action verbin base64_encode
- LOWTool 'json_format' description lacks action verbin json_format
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"devutils": {
"url": "https://devutils.bigfloppy.net/mcp"
}
}
}Remote endpoints
https://devutils.bigfloppy.net/mcpstreamable-httpWhat it can do
Tool inventory
Tools (10)
🟢now(iso, unix)
Current time (ISO-8601 and unix). Optionally convert an ISO timestamp or unix epoch and get a human-readable relative delta.
Input Schema
{
"type": "object",
"properties": {
"iso": {
"type": "string",
"description": "ISO-8601 timestamp to convert"
},
"unix": {
"type": "string",
"description": "unix epoch seconds to convert"
}
}
}⚪uuid(n)
Generate random UUIDv4s (1-100).
Input Schema
{
"type": "object",
"properties": {
"n": {
"type": "integer",
"description": "how many (default 1, max 100)"
}
}
}⚪hash_text(text)
SHA-256, SHA-1, SHA-512 and MD5 hex digests of a text.
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string",
"description": "text to hash"
}
},
"required": [
"text"
]
}⚪base64_encode(text)
Base64-encode a text (UTF-8).
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string"
}
},
"required": [
"text"
]
}⚪base64_decode(text)
Decode base64 to text (UTF-8). Errors on invalid base64.
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string"
}
},
"required": [
"text"
]
}⚪jwt_decode(token)
Decode a JWT header + payload (no signature verification), report expiry status.
Input Schema
{
"type": "object",
"properties": {
"token": {
"type": "string",
"description": "the JWT (3 dot-separated parts)"
}
},
"required": [
"token"
]
}⚪json_validate(text)
Validate a JSON string; on error returns line/column and message.
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string",
"description": "JSON document to validate"
}
},
"required": [
"text"
]
}⚪json_format(text, indent)
Pretty-print JSON with 2-space indent.
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string"
},
"indent": {
"type": "integer",
"description": "default 2, max 10"
}
},
"required": [
"text"
]
}⚪json_minify(text)
Minify JSON (strip whitespace).
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string"
}
},
"required": [
"text"
]
}⚪csv_to_json(text)
Convert CSV (with header row) to an array of row objects.
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string",
"description": "CSV document"
}
},
"required": [
"text"
]
}Community
Evidence