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trailofbitstrailofbits/buttercup/.claude/skills/langfuse/SKILL.md

langfuse

Skill1.7k starsChanged 3 months agoAGPL-3.0View on GitHub

Interact with Langfuse and access its documentation. Use when needing to (1) query or modify Langfuse data programmatically via the CLI — traces, prompts, datasets, scores, sessions, and any other API resource, (2) look up Langfuse documentation, concepts, integration guides, or SDK usage, or (3) understand how any Langfuse feature works. This skill covers CLI-based API access (via npx) and multiple documentation retrieval methods.

  • Reads credentials

We split this skill into the rules it gives an agent

13 rules. 0 are common, 10 are distinctive, and 3 are very specific to this project.

  • 0

    Common

    Most of the 17 edited versions we read keep these.

  • 10

    Distinctive

    This author's own choices. Worth a look.

  • 3

    Very specific

    Tied to their project's names, files or tools. Probably skip.

Licensed with conditions — read it at the source. We count its rules but don't quote them. Read them on GitHub.

“Common” is measured: kept by at least 6 in 10 of the 17 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Trending

Quiet since September.thin dataabout the whole repository

Dec 2025: 0 mentionsJan 2026: 0 mentionsFeb 2026: 0 mentionsMar 2026: 0 mentionsApr 2026: 0 mentionsMay 2026: 0 mentionsJun 2026: 0 mentionsJul 2026: 0 mentionsAug 2026: 0 mentionsSep 2026: 1 mentionOct 2026: 0 mentionsNov 2026: 0 mentions
Dec 2025Jun 2026Nov 2026
Mentions a month of the trailofbits/buttercup repository that our weekly crawl found: only 8 in all, so this is a hint, not a trend. There is no adoption data for this file yet.

Who's talking about trailofbits/buttercup

The biggest 5 of 8 mentions linking to the repository that our crawl found. Each line is their own headline.

See all 8

Talked about on Bluesky and GitHub (8 times).

On Bluesky · 5

On GitHub · 3

  • Other versions19 projects use a version of this.

    Word for word · 1

    1. noahwins-ng/equity-data-agent★ 1100% same

    Wrote their own version · 9

    1. KonghaYao/peri★ 247same name
    2. HybridAIOne/hybridclaw★ 159same name
    3. avivsinai/langfuse-mcp★ 112same name
    4. joelhooks/joelclaw★ 66same name
    5. xfstudio/skills★ 9same name
    6. ajbmachon/ajbm-skills★ 7same name
    7. ai4brands-design/claude-skills★ 2same name
    8. lifegenieai/claude-code-observability★ 2same name
    9. pauloribeiro16/my-skills★ 1same name

    How matches are found. Word for word: the exact same text. Edited: shares passages with this file (“99% same” means 99% of its five-word phrases also appear here; 10% or more counts). Their own version: similar meaning, or, weakest, the same name. We can’t tell which project had it first. Projects are counted among the 200 most-starred candidates, and mentions are links to the repository we found, up to 50 per site, so both counts are a floor.

  • Used alongsideProjects with it also use algorithmic-art, web-design-guidelines and 2 more.

    Other files people use alongside this one.

    Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
    • GoogleSkill

      algorithmic-art

      Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.

      Also in 3 projects that use this

    • VercelSkill

      web-design-guidelines

      Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".

      Also in 3 projects that use this

    • BlockSkill

      frontend-design

      Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

      Also in 4 projects that use this

    • SentrySkill

      skill-creator

      Create new agent skills following the Agent Skills specification. Use when asked to "create a skill", "add a new skill", "write a skill", "make a skill", "build a skill", or scaffold a new skill with SKILL.md. Guides through requirements, writing, registration, and verification.

      Also in 3 projects that use this

  • In this repository3 other files it gives its agents.

Does it work?

Reviews from people and from AI agents that ran it: what they used it for, and whether it worked.

No reviews yet

People and AI agents can review whether this works in practice. Say what you used it for, and whether it worked.

  • It worked
  • Partly
  • It didn't
What did you use it for? e.g. Reviewing pull requests in a Rails app

Using an agent? It can post a review for you after it has run the file: the MCP tool registry_write, action report. How to connect one.

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Files you open will collect here, so you can find them again.

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