Funurl
Parse, modify, encode, decode, and deduplicate URLs from the command line. Use when the user needs to extract URL components, manipulate URLs, encode/decode URL strings, or deduplicate URL lists for security testing or web automation.
Install
$ agentstack add skill-happyhackingspace-skills-funurl ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-happyhackingspace-skills-funurl) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
funURL - A Functional URL Swiss Army Knife
funURL is a CLI tool for parsing, validating, modifying, encoding/decoding, and deduplicating URLs.
Installation
.NET Tool
dotnet tool install --global funurlBinary Download
Download from Releases for Linux, macOS, or Windows (x64 and ARM64).
Commands
URL Parsing
Extract specific components from a URL:
# Parse all URL components
funurl parse https://subdomain.example.com/path?query=value#fragment
# Extract specific components
funurl parse -c https://example.com # protocol/scheme
funurl parse -s https://sub.example.com # subdomain
funurl parse -t https://example.com # top-level domain
funurl parse -n https://example.com # hostname
funurl parse -p https://example.com/path # path
funurl parse -q https://example.com/?k=v # query parameters
funurl parse -f https://example.com/#section # fragmentURL Modification
# Change protocol
funurl modify -c https http://example.com
# Update path
funurl modify -p /new/path https://example.com/old/path
# Change query string
funurl modify -q "key1=val1&key2=val2" https://example.com?old=param
# Update fragment
funurl modify -f "new-section" https://example.com#old-sectionURL Encoding
# Path-encode
funurl encode "hello world"
# Query component encoding
funurl encode -c "param=value with spaces"URL Decoding
# Path-decode
funurl decode "hello%20world"
# Query component decoding
funurl decode -c "param%3Dvalue%20with%20spaces"URL Deduplication
# Deduplicate from arguments
funurl dedupe https://google.com https://google.com/home?qs=value https://google.com/home?qs=secondValue
# Deduplicate from stdin
cat urls.txt | funurl dedupeInput Methods
- Via command-line argument:
funurl parse https://example.com - Via stdin (pipe):
echo "https://example.com" | funurl parse - Via interactive input:
funurl parsethen type URL and press Enter
References
- Repository: https://github.com/HappyHackingSpace/funURL
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: HappyHackingSpace
- Source: HappyHackingSpace/skills
- License: MIT
Install and usage instructions live in the source repository linked above.
Reviews
No reviews yet, be the first.
Write a review
Versions
- v0.1.0 Imported from the upstream source.