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Agent skill

Papercut

by nevalang in nevalang/neva

Capture or triage small Neva repository and engineering-harness frictions without derailing feature work.

MITAuto-check passedDevelopment

Install Papercut

skills CLI
$ npx skills add nevalang/neva --skill papercut -a claude-code

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

GitHub CLI
$ gh skill install nevalang/neva papercut --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/nevalang/neva.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/papercut .claude/skills/papercut && 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
papercut
GitHub stars
1.1k
Token cost
~400 tokens
SKILL.md length
187 words
Files
1
Skills in repo
8
Repo updated
First seen
Licence
MIT

At a glance

Capture or triage small Neva repository and engineering-harness frictions without derailing feature work.

  • Works in 3 steps: Keep working on the original task unless… → Add one entry directly below the journal… → Record only evidence already observed.…
  • Development work in your project
  • SKILL.md covers Capture and Triage
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Papercut is an agent skill from nevalang/neva. Capture or triage small Neva repository and engineering-harness frictions without derailing feature work.

Its SKILL.md is about 400 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 Development. The repository describes itself as: Dataflow programming language where you write a program as a message-passing graph and everything runs in parallel by default. It has strong static types, compiles to machine… The licence is MIT.

When your agent uses it

  • Development work in your project

Example prompts

  • “/papercut”

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Keep working on the original task unless the friction blocks it.
  2. Add one entry directly below the journal marker, newest first
  3. Record only evidence already observed. Never put credentials, access tokens,

What it can do on your machine

Read from SKILL.md and the folder at commit 127afd9. 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

    No scripts in the folder and no shell commands in SKILL.md.

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

  • Network

    No URLs in SKILL.md.

    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

Papercut loads about 400 tokens when it runs. Until then it costs about 29 tokens; SKILL.md has 187 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~29
When it runs · the whole SKILL.md, loaded when a task matches
~400

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

The full file from nevalang/neva at commit 127afd9, republished under its MIT licence (© nevalang). 187 words, ~400 tokens.

Download SKILL.mdSave it as .claude/skills/papercut/SKILL.md (or your agent's skills folder).
name
papercut
description
Capture or triage small Neva repository and engineering-harness frictions without derailing feature work.

Papercut

Use this skill when a person or agent encounters minor friction while doing other Neva work: a flaky command, stale cache, misleading error, obsolete script, or documentation that contradicts observed behavior.

The journal is .codex/papercuts.md. It is not an issue tracker. Product, language, compiler, and runtime defects belong in their owning GitHub issue or change; already-tracked work stays there.

Capture

  1. Keep working on the original task unless the friction blocks it.

  2. Add one entry directly below the journal marker, newest first:

    text
    ## YYYY-MM-DD HH:MM TZ — author or model

What I was doing -> what got in the way. Include the relevant command or
error, workaround, and likely cause or fix when known.

  3. Record only evidence already observed. Never put credentials, access tokens, or private data in an entry.

Triage

  1. Read the full journal and group duplicate symptoms.
  2. Reproduce or otherwise verify each candidate before assigning a cause.
  3. Convert a meaningful item into the smallest durable outcome: a test, automation, documentation update, or GitHub issue.
  4. Link that outcome in the pull request or issue, then remove the triaged entry from the journal. Leave unverified entries intact.

Do not silently broaden the current task to implement a separate fix. Ask for direction when the remediation is material and not already in scope.

© nevalang, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .codex/skills/papercut of nevalang/neva.

Open the folder on GitHubat commit 127afd9

Compare with similar skills

Papercut 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.

Papercut compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Papercut this skillnevalang/neva1.1k—~400Automated safety check: PassMIT
Vercel Composition Patternssupabase/supabase111k58 repos~726Automated safety check: PassMIT
Finishing a Development Branchobra/superpowers297k5 repos~1.9kAutomated safety check: PassMIT
Typescript Advanced Typesrolling-scopes/rsschool-app10k25 repos~4.2kAutomated safety check: PassMPL-2.0
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Code Review ChecklistshareAI-lab/learn-claude-code78k5 repos~1.1kAutomated safety check: PassMIT

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Categories

Questions about Papercut

What does Papercut do?

Capture or triage small Neva repository and engineering-harness frictions without derailing feature work. Papercut is an agent skill from nevalang/neva. Capture or triage small Neva repository and engineering-harness frictions without derailing feature work.

When should I use Papercut?

Papercut fits situations like: development work in your project.

How do I install Papercut in Claude Code?

Run `npx skills add nevalang/neva --skill papercut -a claude-code`. Or copy the skill folder (.codex/skills/papercut in nevalang/neva) into .claude/skills/papercut in your project. Claude Code loads it when a task matches its description.

How do I install Papercut in Codex?

Run `npx skills add nevalang/neva --skill papercut -a codex`. Or copy the skill folder (.codex/skills/papercut in nevalang/neva) into .agents/skills/papercut in your project. Codex loads it when a task matches its description.

Can I use Papercut 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 nevalang/neva --skill papercut -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/papercut, .gemini/skills/papercut, .github/skills/papercut and .opencode/skills/papercut in your project.

What does Papercut need to run?

SKILL.md names no scripts, command-line tools or credentials: Papercut is instructions for the agent only.

Does Papercut access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Papercut 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 Papercut use?

Papercut is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Papercut use?

About 400 tokens (SKILL.md is roughly 1.6k 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 Papercut?

Skills that share tags, products or a category with Papercut: Vercel Composition Patterns (supabase/supabase, 111k stars), Finishing a Development Branch (obra/superpowers, 297k stars), Typescript Advanced Types (rolling-scopes/rsschool-app, 10k stars) and PR Babysitter (openinterpreter/openinterpreter, 69k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Papercut?

nevalang (a GitHub organization) maintains it in nevalang/neva, which has 1,084 GitHub stars. The repository holds 8 skills in this directory. The repository was last updated on August 23, 2026.

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