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Agent skill

Web Re

by schlarpc in schlarpc/re-shell

Web reverse engineering tools and workflows. An agent skill from schlarpc/re-shell.

No licenceAuto-check passedBackend & APIs

Install Web Re

skills CLI
$ npx skills add schlarpc/re-shell --skill web-re -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install schlarpc/re-shell web-re --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/schlarpc/re-shell.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/web .claude/skills/web-re && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
web-re
GitHub stars
532
Token cost
~1.4k tokens
SKILL.md length
320 words
Files
1
Skills in repo
1
Repo updated
First seen
Licence
None found

At a glance

Web reverse engineering tools and workflows. An agent skill from schlarpc/re-shell.

  • Tasks that involve gRPC and Protobuf
  • SKILL.md covers Protocol Buffers & gRPC, HTTP & TLS, WebSocket and HTML Parsing, plus 3 more sections
  • Calls curl and python3
  • Tasks that involve Reverse engineering and malware

What it does

Web Re is an agent skill from schlarpc/re-shell. Web reverse engineering tools and workflows. Auto-activates when context involves protobuf, gRPC, HAR files, HTTP API analysis, WebSocket, web scraping, TLS fingerprinting, curl-impersonate, or web protocol reverse engineering.

Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Backend & APIs, covering gRPC and Protobuf, Reverse engineering and malware and Realtime and WebSockets. It works with gRPC and Python. The repository describes itself as: Nix-powered agentic reverse engineering environment.

When your agent uses it

  • Tasks that involve gRPC and Protobuf
  • Tasks that involve Reverse engineering and malware
  • Tasks that involve Realtime and WebSockets

Example prompts

  • “/web-re”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit fd9d858. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • curl
    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use curl, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Web Re loads about 1.4k tokens when it runs. Until then it costs about 59 tokens; SKILL.md has 320 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~59
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 320 words (~1,382 tokens).

“This skill covers web-specific RE tools available in the dev shell. For general-purpose tools (mitmproxy, tshark, jq, etc.), see CLAUDE.md.”

— opening of SKILL.md by schlarpc
name
web-re
user-invocable
false

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/web of schlarpc/re-shell.

Open the folder on GitHubat commit fd9d858

Compare with similar skills

Web Re next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Web Re compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Web Re this skillschlarpc/re-shell532—~1.4kAutomated safety check: PassNone
Spider Kingaoyunyang/spider-king-skill507—~7.3kAutomated safety check: PassMIT
Protocol Reversezhaoxuya520/reverse-skill40k2 repos~620Automated safety check: WarnMIT
Protocol Reversesickn33/agentic-awesome-skills47k1 repos~689Automated safety check: PassMIT
Use Yaakmountain-loop/yaak19k—~1.9kAutomated safety check: PassMIT
Regenerate Grpc StubsGetBindu/Bindu10k—~810Automated safety check: PassCustom licence

Similar skills

  • Spider King

    aoyunyang/spider-king-skill

    Pure-web protocol reverse skill: turn hostile browser clients into browser-free Python collectors.

    507 GitHub stars~7.3k tokensUpdated 1 mo ago
    Backend & APIsAuto-check passed

  • Protocol Reverse

    zhaoxuya520/reverse-skill

    A skill your agent uses for authorized reverse engineering of custom binary protocols, Protobuf/gRPC, WebSocket frames, and PCAP-driven protocol recovery.

    40k GitHub starsUsed in 2 repos~620 tokens
    Backend & APIsAuto-check: warnings

  • Protocol Reverse

    sickn33/agentic-awesome-skills

    Authorized reverse engineering of custom binary protocols, Protobuf/gRPC schemas, WebSocket frames, and PCAP-driven protocol recovery.

    47k GitHub starsUsed in 1 repo~689 tokens
    Backend & APIsAuto-check passed

  • Use Yaak

    mountain-loop/yaak

    A skill your agent uses when the user mentions Yaak, a Yaak workspace, or the yaak command, or asks to call, hit, or smoke test HTTP/REST endpoints, save or organize API requests for reuse or manual…

    19k GitHub stars~1.9k tokensUpdated 2 days ago
    Backend & APIsAuto-check passed

  • Regenerate Grpc Stubs

    GetBindu/Bindu

    Regenerate Python + TypeScript gRPC stubs after editing proto files.

    10k GitHub stars~810 tokensUpdated 1 mo ago
    Backend & APIsAuto-check passed

  • Dev Rules

    rust-dd/tako

    General coding-style rules to apply to every project. An agent skill from rust-dd/tako.

    162 GitHub stars~810 tokensUpdated 7 days ago
    Backend & APIsAuto-check passed

Works with

Categories

Questions about Web Re

What does Web Re do?

Web reverse engineering tools and workflows. An agent skill from schlarpc/re-shell. Web Re is an agent skill from schlarpc/re-shell. Web reverse engineering tools and workflows.

When should I use Web Re?

Web Re fits situations like: tasks that involve gRPC and Protobuf; tasks that involve Reverse engineering and malware; tasks that involve Realtime and WebSockets.

How do I install Web Re in Claude Code?

Run `npx skills add schlarpc/re-shell --skill web-re -a claude-code`. Or copy the skill folder (.claude/skills/web in schlarpc/re-shell) into .claude/skills/web-re in your project. Claude Code loads it when a task matches its description.

How do I install Web Re in Codex?

Run `npx skills add schlarpc/re-shell --skill web-re -a codex`. Or copy the skill folder (.claude/skills/web in schlarpc/re-shell) into .agents/skills/web-re in your project. Codex loads it when a task matches its description.

Can I use Web Re in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add schlarpc/re-shell --skill web-re -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/web-re, .gemini/skills/web-re, .github/skills/web-re and .opencode/skills/web-re in your project.

What does Web Re need to run?

Going by SKILL.md and its folder, Web Re needs the command-line tools its instructions call (curl and python3). Our summary lists: Python 3.

Does Web Re access the network?

SKILL.md contains no URLs. Its commands use curl, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Web Re safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Web Re use?

No licence was found for Web Re or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Web Re use?

About 1.4k tokens (SKILL.md is roughly 5.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Web Re?

Skills that share tags, products or a category with Web Re: Spider King (aoyunyang/spider-king-skill, 507 stars), Protocol Reverse (zhaoxuya520/reverse-skill, 40k stars), Protocol Reverse (sickn33/agentic-awesome-skills, 47k stars) and Use Yaak (mountain-loop/yaak, 19k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Web Re?

schlarpc (a GitHub user) maintains it in schlarpc/re-shell, which has 532 GitHub stars. The repository was last updated on August 29, 2026.

Source: schlarpc/re-shell on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.