io.github.ofershap/devutils

NPM · MCP-SERVER-DEVUTILS · SCANNED AUG 3

Developer utilities MCP: base64, UUID, hash, JWT decode, cron, timestamps.

Available components

+44 this week 68 68 Trust /100

Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →

Supply Chain Security87

No malware found by supply-chain analysis.Pass
Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.Partial
No install/post-install scripts declared.Pass
Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree. View diagnostics → Partial

Provenance & Transparency45

Source repository is publicly reachable at the declared URL. View diagnostics → Pass
Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
Clear OSI-approved license (MIT).Pass
Actively maintained (last published 145 days ago).Pass
Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail

Schema Quality & AI Usability71

AI-judged instruction clarity (good).Pass
Tool/resource definitions use about 570 tokens (~33/item across 17 items; 17 tools + 0 resources), lean.Pass
Usage-examples check failed: none of the tools include examples. See how to fix → Fail

Stability & Change Management23

Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial

Tool Coverage100

100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
100% of tool parameters carry a description.Pass

Capabilities100

Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass

Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

npm · mcp-server-devutils

Claude Codex opencode OpenClaw Hermes Other

# add to Claude Code

claude mcp add ofershap-devutils -- npx -y mcp-server-devutils

# add to Codex CLI

codex mcp add ofershap-devutils -- npx -y mcp-server-devutils

// opencode.json

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "ofershap-devutils": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "mcp-server-devutils"
      ],
      "enabled": true
    }
  }
}

# add to OpenClaw

openclaw mcp add ofershap-devutils --command npx --arg -y --arg mcp-server-devutils

# ~/.hermes/config.yaml

mcp_servers:
  ofershap-devutils:
    command: "npx"
    args: ["-y", "mcp-server-devutils"]

// mcp.json

{
  "mcpServers": {
    "ofershap-devutils": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-devutils"
      ]
    }
  }
}

Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

3 Aug 26 +1

No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.
2 Aug 26 +46
- Provenance: unverified → fail ▼ security
- Known CVEs: unverified → partial ▲ security
- Install scripts: unverified → pass ▲ security
- Malware scan: unverified → pass ▲ security
- Schema quality: unverified → good ▲ functional
- MCP protocol: unverified → pass ▲ functional
- Maintenance: unverified → pass ▲ functional
- Stability: unverified → 0.20 ▲ functional
- Dependency health: unverified → partial ▲ functional
- License: unverified → pass ▲ functional
- Licence: MIT functional
1 Aug 26 −7
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
31 Jul 26 −18
- Malware scan: pass → unverified ▼ security
30 Jul 26 +19
- Dependency health: partial → unverified ▼ functional
- Tool coverage: unverified → 100 ▲ functional
- First check of Schema quality: unverified functional
- First check of Schema quality: pass functional
- First check of Schema quality: fail functional
- First check of Tool coverage: 100 functional
28 Jul 26 +3
- Dependency health: unverified → partial ▲ functional
27 Jul 26 24

First indexed and scored.

Show 4 earlier entries Hide earlier entries

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 3 Aug 2026 · Analysed npm/[email protected]

Provenance none

Ecosystem: npm · Outcome: none

Dependencies 95 packages

95 packages in the resolved dependency tree · 95 deprecated · 29 stale.

The dependency tree was only partially resolved, so these counts may be incomplete.

MCP tools — 17 exposed · ~570 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens

base64_decode ~28

Decode a Base64 string

Input Output Examples

Name	Type	Req	Description
input	string	yes	The Base64 string to decode

No output schema declared.

No examples provided.

base64_encode ~27

Encode a string to Base64

Input Output Examples

Name	Type	Req	Description
input	string	yes	The string to encode

No output schema declared.

No examples provided.

cron_explain ~43

Explain a cron expression in plain English

Input Output Examples

Name	Type	Req	Description
expression	string	yes	Cron expression (5 fields, e.g. "0 9 * * 1-5")

No output schema declared.

No examples provided.

cron_next ~41

Show the next N run times for a cron expression

Input Output Examples

Name	Type	Req	Description
count	integer	—	Number of next runs to show
expression	string	yes	Cron expression

No output schema declared.

No examples provided.

cron_validate ~24

Validate a cron expression

Input Output Examples

Name	Type	Req	Description
expression	string	yes	Cron expression to validate

No output schema declared.

No examples provided.

hash ~52

Hash a string using a specified algorithm. Supported: md5, sha1, sha256, sha384, sha512

Input Output Examples

Name	Type	Req	Description
algorithm	string	—	Hash algorithm
input	string	yes	The string to hash

No output schema declared.

No examples provided.

hash_all ~29

Hash a string with all supported algorithms at once

Input Output Examples

Name	Type	Req	Description
input	string	yes	The string to hash

No output schema declared.

No examples provided.

iso_to_timestamp ~34

Convert an ISO 8601 date string to Unix timestamp

Input Output Examples

Name	Type	Req	Description
date	string	yes	ISO 8601 date string

No output schema declared.

No examples provided.

json_format ~37

Pretty-print / format a JSON string

Input Output Examples

Name	Type	Req	Description
indent	integer	—	Indent size
input	string	yes	JSON string to format

No output schema declared.

No examples provided.

json_minify ~30

Minify a JSON string (remove whitespace)

Input Output Examples

Name	Type	Req	Description
input	string	yes	JSON string to minify

No output schema declared.

No examples provided.

json_validate ~28

Validate a JSON string and report its type

Input Output Examples

Name	Type	Req	Description
input	string	yes	JSON string to validate

No output schema declared.

No examples provided.

jwt_decode ~36

Decode a JWT token (without verification) and show header, payload, expiry

Input Output Examples

Name	Type	Req	Description
token	string	yes	The JWT token to decode

No output schema declared.

No examples provided.

regex_test ~56

Test a regular expression against a string

Input Output Examples

Name	Type	Req	Description
flags	string	—	Regex flags (e.g. "gi", "gm")
pattern	string	yes	Regular expression pattern
testString	string	yes	String to test against

No output schema declared.

No examples provided.

timestamp_now ~16

Get the current time in multiple formats

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

timestamp_to_iso ~34

Convert a Unix timestamp to ISO 8601 date string

Input Output Examples

Name	Type	Req	Description
timestamp	number	yes	Unix timestamp (seconds or milliseconds)

No output schema declared.

No examples provided.

ulid_generate ~24

Generate a ULID (Universally Unique Lexicographically Sortable Identifier)

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

uuid_generate ~31

Generate one or more UUIDs (v4)

Input Output Examples

Name	Type	Req	Description
count	integer	—	Number of UUIDs to generate

No output schema declared.

No examples provided.

On this page

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Scoring key

80+ high trust
60–79 medium
below 60 low

How we score

Score history · last 30 days

27 Jul 3 Aug