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Agent skill

Lumen Funnel

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

A skill your agent uses when asked to analyze a funnel, find where users drop off, diagnose low conversion or activation rates, design a metrics framework, set up OKRs, or measure whether a feature…

MITAuto-check: notesBusiness, Finance & HR

Install Lumen Funnel

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill lumen-funnel -a claude-code

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace lumen-funnel --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/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/lumen-funnel .claude/skills/lumen-funnel && 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
lumen-funnel
GitHub stars
2.8k
Token cost
~1.1k tokens
SKILL.md length
416 words
Files
2
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when asked to analyze a funnel, find where users drop off, diagnose low conversion or activation rates, design a metrics framework, set up OKRs, or measure whether a feature…

  • Works in 6 steps: Define the Funnel → Identify Drop-Off Points → Diagnose Root Causes → …
  • Asked to analyze a funnel
  • SKILL.md covers Steps and Delivery
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Lumen Funnel is an agent skill from jeremylongshore/tons-of-skills-marketplace. Use when asked to analyze a funnel, find where users drop off, diagnose low conversion or activation rates, design a metrics framework, set up OKRs, or measure whether a feature is working. Examples: "analyze our funnel", "why is activation low", "where are users dropping off", "design OKRs for this quarter", "is this feature working", "set up metrics for this launch".

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `.claude-plugin/plugin.json`).

It sits in Business, Finance & HR, covering OKRs and executive reporting and Product metrics. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Asked to analyze a funnel
  • Find where users drop off
  • Diagnose low conversion
  • Activation rates

Example prompts

  • “analyze our funnel”
  • “why is activation low”
  • “where are users dropping off”
  • “/lumen-funnel”

Requirements

  • Pre-approved tools (allowed-tools): Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Define the Funnel
  2. Identify Drop-Off Points
  3. Diagnose Root Causes
  4. Cohort the Data
  5. Recommend Top 3 Fixes
  6. Deliver

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Edit
    • Bash
    • Glob
    • Grep
    • WebFetch
    • WebSearch
    • Task
    • TodoWrite

    …and 1 more on the same allowed-tools line.

    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

Lumen Funnel loads about 1.1k tokens when it runs. Until then it costs about 96 tokens; SKILL.md has 416 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~96
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion

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 jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 416 words, ~1,111 tokens.

Download SKILL.mdSave it as .claude/skills/lumen-funnel/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
lumen-funnel
description
Use when asked to analyze a funnel, find where users drop off, diagnose low conversion or activation rates, design a metrics framework, set up OKRs, or measure whether a feature is working. Examples: "analyze our funnel", "why is activation low", "where are users dropping off", "design OKRs for this quarter", "is this feature working", "set up metrics for this launch".
allowed-tools
Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion
version
0.6.4
author
tonone-ai <hello@tonone.ai>
license
MIT

Lumen Funnel

You are Lumen — the product analyst on the Product Team.

Steps

Step 1: Define the Funnel

Establish full funnel from acquisition to habit. For each step, confirm:

  • Step name — what the user does or experiences
  • Event name — what it's called in the analytics tool (if known)
  • Metric — how we measure completion of this step
  • Current rate — % of users from previous step who reach this step

If rates are unknown, note them as "baseline TBD" and flag: instrumentation needed before analysis.

Standard funnel template:

Step 1: Acquisition      → [traffic source / signup page visit]
Step 2: Signup           → [account created]
Step 3: Activation       → [first value moment / "aha moment"]
Step 4: Habit            → [returned within 7 days / core action repeated N times]
Step 5: Expansion        → [upgraded / invited teammate / connected integration]
Step 6: Referral         → [shared / invited / organic mention]
Step 2: Identify Drop-Off Points

For each step transition, calculate:

Drop-off rate = 1 - (step N+1 users / step N users)

Rank transitions by absolute user loss (not just %). The biggest absolute drop is the highest-leverage fix.

Flag each drop-off with severity:

  • ■ CRITICAL — > 60% drop, blocks all downstream value
  • ▲ HIGH — 30–60% drop, significant compounding loss
  • ● MEDIUM — 10–30% drop, worth monitoring and optimizing
Step 3: Diagnose Root Causes

For each high-severity drop-off, run through diagnostic checklist:

Acquisition → Signup:

  • Message match — does the ad/landing page promise match the signup experience?
  • Friction — how many fields, steps, or OAuth requirements?
  • Trust signals — social proof, security indicators present?

Signup → Activation:

  • Time to first value — how long until user experiences core promise?
  • Empty state — what does user see before they have data? Motivating or blank?
  • Required setup — is there mandatory configuration before value is delivered?

Activation → Habit:

  • Notification / re-engagement — is there a trigger to bring users back?
  • Habit loop — is there a built-in reason to return on a cadence?
  • Value recurrence — does product deliver new value on return, or is it one-time?
Show full SKILL.md (166 more words)Show less
Step 4: Cohort the Data

Aggregate rates hide critical information. Segment funnel by:

  • Acquisition channel — organic vs. paid vs. referral often have 2–5x different activation rates
  • User segment — company size, role, or plan tier if available
  • Signup cohort — week or month of signup to detect trend direction

If segmented data is unavailable, flag it: "Aggregate rate masks channel-level differences — segmentation required before optimization decisions."

Step 5: Recommend Top 3 Fixes

For top 3 drop-off points, produce:

Drop-off: [Step N → Step N+1] — [X%] of users lost
Root cause hypothesis: [most likely explanation based on diagnostic]
Recommended fix: [specific change to product, copy, flow, or instrumentation]
Expected lift: [conservative estimate — e.g., "5–15% improvement in activation"]
How to validate: [A/B test design or leading indicator to watch]
Effort: [Low / Medium / High — engineering days estimate]
Step 6: Deliver

Present funnel table, ranked drop-off list, and top 3 fix recommendations. Close with: the single change that would have highest impact on the business metric that matters most right now.

Follow the output format defined in docs/output-kit.md — 40-line CLI max, box-drawing skeleton, unified severity indicators, compressed prose.

Delivery

If output exceeds the 40-line CLI budget, invoke /atlas-report with the full findings. The HTML report is the output. CLI is the receipt — box header, one-line verdict, top 3 findings, and the report path. Never dump analysis to CLI.

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

Files

SKILL.md and 1 other file in plugins/ai-agency/tonone/skills/lumen-funnel of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • .claude-plugin/plugin.json

Open the folder on GitHubat commit cfae287

Compare with similar skills

Lumen Funnel 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.

Lumen Funnel compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Lumen Funnel this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.1kAutomated safety check: NotesMIT
Analytics Strategyrampstackco/claude-skills945—~2.4kAutomated safety check: PassMIT
Startup Metrics Frameworkaiskillstore/marketplace43310 repos~293Automated safety check: PassNone
Startup Metrics Frameworkwshobson/agents40k—~2.5kAutomated safety check: PassMIT
Analytics Metrics Kpinicepkg/ai-workflow285—~2.1kAutomated safety check: PassMIT
Executive Dashboardindranilbanerjee/digital-marketing-pro8621 repos~1.8kAutomated safety check: PassMIT

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Categories

Questions about Lumen Funnel

What does Lumen Funnel do?

A skill your agent uses when asked to analyze a funnel, find where users drop off, diagnose low conversion or activation rates, design a metrics framework, set up OKRs, or measure whether a feature…. Lumen Funnel is an agent skill from jeremylongshore/tons-of-skills-marketplace. Use when asked to analyze a funnel, find where users drop off, diagnose low conversion or activation rates, design a metrics framework, set up OKRs, or measure whether a feature is working.

When should I use Lumen Funnel?

Lumen Funnel fits situations like: asked to analyze a funnel; find where users drop off; diagnose low conversion; activation rates.

How do I install Lumen Funnel in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill lumen-funnel -a claude-code`. Or copy the skill folder (plugins/ai-agency/tonone/skills/lumen-funnel in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/lumen-funnel in your project. Claude Code loads it when a task matches its description.

How do I install Lumen Funnel in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill lumen-funnel -a codex`. Or copy the skill folder (plugins/ai-agency/tonone/skills/lumen-funnel in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/lumen-funnel in your project. Codex loads it when a task matches its description.

Can I use Lumen Funnel 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 jeremylongshore/tons-of-skills-marketplace --skill lumen-funnel -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/lumen-funnel, .gemini/skills/lumen-funnel, .github/skills/lumen-funnel and .opencode/skills/lumen-funnel in your project.

What does Lumen Funnel need to run?

SKILL.md names no scripts, command-line tools or credentials: Lumen Funnel is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion.

Does Lumen Funnel 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 Lumen Funnel safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Lumen Funnel use?

Lumen Funnel is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Lumen Funnel use?

About 1.1k tokens (SKILL.md is roughly 4.4k 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 Lumen Funnel?

Skills that share tags, products or a category with Lumen Funnel: Analytics Strategy (rampstackco/claude-skills, 945 stars), Startup Metrics Framework (aiskillstore/marketplace, 433 stars), Startup Metrics Framework (wshobson/agents, 40k stars) and Analytics Metrics Kpi (nicepkg/ai-workflow, 285 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Lumen Funnel?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.