Code Graph Mermaid Diagrams
trailofbits/skills
Generates Mermaid diagrams from Trailmark code graphs, including call graphs, class hierarchies, module dependency maps, complexity heatmaps and attack surface data flows.
Design and analyze activation funnels (AARRR / AAARRR Pirate Metrics) with conversion + drop-off math, bottleneck detection, and Mermaid funnel diagrams.
Install Activation Funnel
$ npx skills add borghei/Claude-Skills --skill activation-funnel -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install borghei/Claude-Skills activation-funnel --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/borghei/Claude-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/project-management/execution/activation-funnel .claude/skills/activation-funnel && rm -rf skills-srcUse ~/.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/
Install the "activation-funnel" agent skill from https://github.com/borghei/Claude-Skills/tree/main/project-management/execution/activation-funnel into .claude/skills/activation-funnel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activation-funnel", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/borghei/Claude-Skills/tree/main/project-management/execution/activation-funnelType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add borghei/Claude-Skills --skill activation-funnel -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install borghei/Claude-Skills activation-funnel --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/borghei/Claude-Skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/project-management/execution/activation-funnel .agents/skills/activation-funnel && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "activation-funnel" agent skill from https://github.com/borghei/Claude-Skills/tree/main/project-management/execution/activation-funnel into .agents/skills/activation-funnel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activation-funnel", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add borghei/Claude-Skills --skill activation-funnel -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install borghei/Claude-Skills activation-funnel --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/borghei/Claude-Skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/project-management/execution/activation-funnel .cursor/skills/activation-funnel && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "activation-funnel" agent skill from https://github.com/borghei/Claude-Skills/tree/main/project-management/execution/activation-funnel into .cursor/skills/activation-funnel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activation-funnel", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/borghei/Claude-Skills.git --path project-management/execution/activation-funnel--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add borghei/Claude-Skills --skill activation-funnel -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install borghei/Claude-Skills activation-funnel --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/borghei/Claude-Skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/project-management/execution/activation-funnel .gemini/skills/activation-funnel && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "activation-funnel" agent skill from https://github.com/borghei/Claude-Skills/tree/main/project-management/execution/activation-funnel into .gemini/skills/activation-funnel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activation-funnel", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install borghei/Claude-Skills activation-funnelInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add borghei/Claude-Skills --skill activation-funnel -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/borghei/Claude-Skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/project-management/execution/activation-funnel .github/skills/activation-funnel && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "activation-funnel" agent skill from https://github.com/borghei/Claude-Skills/tree/main/project-management/execution/activation-funnel into .github/skills/activation-funnel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activation-funnel", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add borghei/Claude-Skills --skill activation-funnel -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install borghei/Claude-Skills activation-funnel --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/borghei/Claude-Skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/project-management/execution/activation-funnel .opencode/skills/activation-funnel && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "activation-funnel" agent skill from https://github.com/borghei/Claude-Skills/tree/main/project-management/execution/activation-funnel into .opencode/skills/activation-funnel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activation-funnel", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
activation-funnel- GitHub stars
- 881
- Token cost
- ~1.9k tokens
- SKILL.md length
- 870 words
- Files
- 10 (incl. scripts, references, assets)
- Skills in repo
- 349
- Repo updated
- First seen
- Licence
- MIT
At a glance
Design and analyze activation funnels (AARRR / AAARRR Pirate Metrics) with conversion + drop-off math, bottleneck detection, and Mermaid funnel diagrams.
- Tasks that involve Product metrics
- SKILL.md covers Overview, Core Capabilities, When to Use and Clarify First, plus 4 more sections
- Runs Python scripts from its folder; calls python
- Tasks that involve Diagrams
What it does
Activation Funnel is an agent skill from borghei/Claude-Skills. Design and analyze activation funnels (AARRR / AAARRR Pirate Metrics) with conversion + drop-off math, bottleneck detection, and Mermaid funnel diagrams. Includes a stdlib Python tool that emits all 6 shared PM output formats.
Its SKILL.md is about 1.9k tokens, which your agent loads only when the skill is triggered. The skill folder holds 13 other files, including scripts, reference files and assets (for example `assets/activation_metric_worksheet.md`, `assets/funnel_design_canvas.md` and `assets/sample_funnel.json`).
It sits in Development, covering Product metrics and Diagrams. It works with Mermaid and Python. The repository describes itself as: 385 AI skills, 77 expert agents, and 900 stdlib Python tools for every team: engineering, PM, marketing, C-level, compliance, business ops, research, and a LinkedIn toolkit… The licence is MIT.
When your agent uses it
- Tasks that involve Product metrics
- Tasks that involve Diagrams
Example prompts
- “/activation-funnel”
Requirements
- Python 3
What it can do on your machine
Read from SKILL.md and the folder at commit 4a698e8. 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
Ships 1 file in scripts/ (Python), which the agent can run.
Shell commands in SKILL.md call:
python
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
Activation Funnel loads about 1.9k tokens when it runs, and up to ~13k if it reads all its reference files. Until then it costs about 61 tokens; SKILL.md has 870 words of instructions outside code blocks.
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); the scripts in this folder are not scanned.
SKILL.md
The full file from borghei/Claude-Skills at commit 4a698e8, republished under its MIT licence (© borghei). 870 words, ~1,936 tokens.
Download SKILL.mdSave it as
.claude/skills/activation-funnel/SKILL.md (or your agent's skills folder). This skill also uses 9 other files; get the full folder from GitHub.- name
- activation-funnel
- description
- Design and analyze activation funnels (AARRR / AAARRR Pirate Metrics) with conversion + drop-off math, bottleneck detection, and Mermaid funnel diagrams. Includes a stdlib Python tool that emits all 6 shared PM output formats.
- license
- MIT + Commons Clause
- metadata.version
- 1.0.1
- metadata.author
- borghei
- metadata.category
- project-management
- metadata.domain
- pm-execution
- metadata.updated
- 2026-06-15
- metadata.python-tools
- funnel_analyzer.py
- metadata.tech-stack
- aarrr, pirate-metrics, activation, conversion-funnel, growth, north-star
Activation Funnel Expert
Overview
A funnel is the single most useful diagnostic tool a growth or onboarding PM owns. It turns a fuzzy product story ("users drop off somewhere") into a numbered, actionable picture ("76% land, 41% start setup, 9% finish setup, 4% take the activation action -- the biggest drop is between start and finish setup at 32 percentage points").
This skill specifies funnel structures using Dave McClure's AARRR (Acquisition, Activation, Retention, Revenue, Referral) and its broader cousin AAARRR (which adds Awareness on the front), and analyzes them with a stdlib Python tool (funnel_analyzer.py). The tool ingests a JSON funnel definition (stages with counts) and outputs stage-by-stage conversion and drop-off, a Mermaid flowchart, and a bottleneck call-out — in all six SHARED_OUTPUT_SCHEMA formats so the analysis travels into Jira, Linear, Confluence, Notion, or a PR.
The activation step is the centerpiece. Sean Ellis defined the "activated user" as one who has done the thing that statistically predicts retention (Slack's 2000 messages, Facebook's "7 friends in 10 days", Dropbox's "1 file in 1 folder on 1 device"). Pin the activation event before you optimize the funnel that leads to it.
Core Capabilities
- Funnel structure — define stages as events using AARRR or AAARRR; compress to 4-7 stages.
- Conversion + drop-off math — per-stage conversion, absolute and relative drop, cumulative conversion, bottleneck detection (largest absolute vs largest relative drop).
- Activation event definition — Sean Ellis framework to pin the predictive "aha" event (count + window + action).
- Counter-metric pairing — guard every stage against gaming; leading-vs-lagging indicator design.
- Six-format output — render the analysis + Mermaid diagram for Jira, Linear, Confluence, Notion, or a PR.
When to Use
- New onboarding design -- specify the funnel events from signup to value.
- Drop-off diagnosis -- signups grow but completion is flat; where is the leak?
- Activation metric definition -- pick the "aha" event that predicts long-term retention.
- Cross-functional alignment -- get marketing, product, and growth to agree on one funnel definition.
- QBR / A/B test design -- one canonical funnel drives the conversation and makes primary + counter-metrics obvious.
When NOT to use: pre-PMF discovery (use discovery/); top-of-funnel channel attribution (marketing tools); revenue-cohort retention (data-analytics domain); when events are not instrumented.
Clarify First
Before analyzing the funnel, confirm these inputs. If any is unknown or vague, ASK — do not assume:
- Stages + counts — the actual events and the user count at each step (drives every conversion/drop-off number and the bottleneck call-out)
- Activation event — the Sean Ellis "aha" event that defines an activated user (sets the funnel's centerpiece stage and the activation rate)
- Cohort window — the time period the counts are drawn from (snapshot funnels mix cohorts and lie; this scopes every number)
Stop rule: ask only the 2-3 that most change the output. If the user says "just draft it," proceed and list your assumptions at the top of the artifact.
Quick Start
python scripts/funnel_analyzer.py --input funnel.json --format markdown # conversion + drop-off + bottleneck
python scripts/funnel_analyzer.py --demo --format mermaid # worked SaaS funnel diagramShow full SKILL.md (409 more words)Show less
References
Load the reference that matches the task — keep this file lean and pull detail on demand:
- references/funnel-analysis-playbook.md — full AARRR/AAARRR stage tables, the aha-event definition method, conversion/drop-off math, counter-metric pairing, leading-vs-lagging indicators, the step-by-step workflow, the
funnel_analyzer.pyreference (flags, input JSON, Mermaid sample), troubleshooting, and success criteria. Read when building or analyzing a funnel. - references/pirate-metrics-deep-dive.md — McClure's AARRR + AAARRR, Andrew Chen funnel mechanics, Balfour's Four Fits, growth loops, and NSM-funnel linkage. Read when designing the overall growth model around the funnel.
- references/activation-aha-moment-patterns.md — Ellis's framework plus 12 worked activation-event examples (Slack, FB, Dropbox, Airbnb, Notion, Spotify, Duolingo, Twitter, HubSpot, Pinterest, LinkedIn, Figma). Read when choosing or validating the activation event.
- references/red-flags.md — concrete examples of how funnel output goes wrong, why it's bad, and how to fix it. Read when reviewing a funnel analysis or diagnosing a misleading chart.
- assets/funnel_design_canvas.md — workshop canvas for defining the funnel. Use in a design session.
- assets/activation_metric_worksheet.md — worksheet for picking the activation event. Use when pinning the aha event.
- assets/sample_funnel.json — a working JSON example matching the tool input. Use as a starting template.
Scope & Limitations
In Scope: funnel definition (events, stages, transitions) via AARRR/AAARRR; conversion + drop-off math and bottleneck detection; Mermaid rendering; activation-event selection (Ellis); counter-metric pairing; cohort-vs-snapshot distinction; all 6 output formats.
Out of Scope: pulling raw event data (input is JSON — use Amplitude/Mixpanel/PostHog/Looker); statistical significance testing (discovery/brainstorm-experiments/, data-analytics); cohort-retention analysis; channel attribution (marketing tools); building the UX/A/B test; forecasting.
Caveats: a funnel implies a linear flow — real products branch and re-enter, so complement with branched analysis. Snapshot funnels mix cohorts and lie; always specify the cohort window. Top-stage gains amplify downstream and can mislead investment — look at both absolute and relative drop. Re-validate the activation event against fresh retention cohorts every 1-2 quarters.
Integration Points
| Integration | Direction | Description |
|---|---|---|
north-star-metric/ | Pairs with | Activation rate is often the NSM or a top input metric in the NSM tree |
brainstorm-okrs/ | Feeds into | Funnel-stage targets become KRs (e.g., "improve activation from 28% to 36%") |
prioritization-frameworks/ | Feeds into | Fix-the-funnel projects ranked by RICE / weighted-score |
discovery/brainstorm-experiments/ | Pairs with | Each funnel leak suggests testable experiments to plug it |
discovery/identify-assumptions/ | Pairs with | "Users will complete step 3 if we shorten it" is an assumption to validate |
status-update-generator/ | Feeds into | Weekly funnel deltas appear in Highlights / Risks |
outcome-roadmap/ | Pairs with | Roadmap items justify themselves by which funnel stage they target |
cycle-time-analyzer/ | Pairs with | Cycle time to fix funnel leaks is part of flow analysis |
data-analytics/ (domain) | Pairs with | Telemetry instrumentation; cohort analysis; stat sig |
© borghei, 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 9 other files (scripts, references, assets) in project-management/execution/activation-funnel of borghei/Claude-Skills.
- SKILL.md
- assets/activation_metric_worksheet.md
- assets/funnel_design_canvas.md
- assets/sample_funnel.json
- examples/freemium-saas-day-7-retention-diagnosis.md
- references/activation-aha-moment-patterns.md
- references/funnel-analysis-playbook.md
- references/pirate-metrics-deep-dive.md
- references/red-flags.md
- scripts/funnel_analyzer.py
Open the folder on GitHubat commit 4a698e8
Compare with similar skills
Activation 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Activation Funnel this skillborghei/Claude-Skills | 881 | — | ~1.9k | Automated safety check: Pass | MIT | |
| Code Graph Mermaid Diagramstrailofbits/skills | 7.4k | 1 repos | ~1.7k | Automated safety check: Pass | CC-BY-SA-4.0 | |
| Code To Diagramzebbern/claude-code-guide | 4.7k | 1 repos | ~972 | Automated safety check: Pass | MIT | |
| Design Doc MermaidSpillwaveSolutions/design-doc-mermaid | 175 | 1 repos | ~5.6k | Automated safety check: Pass | None | |
| Markdown Mermaid Writingneflibata-feng/MyArxiv-Agent | 126 | 5 repos | ~3.8k | Automated safety check: Notes | Apache-2.0 | |
| Generate Readmedivar-ir/ai-doc-gen | 766 | — | ~996 | Automated safety check: Pass | MIT |
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Questions about Activation Funnel
What does Activation Funnel do?
Design and analyze activation funnels (AARRR / AAARRR Pirate Metrics) with conversion + drop-off math, bottleneck detection, and Mermaid funnel diagrams. Activation Funnel is an agent skill from borghei/Claude-Skills. Design and analyze activation funnels (AARRR / AAARRR Pirate Metrics) with conversion + drop-off math, bottleneck detection, and Mermaid funnel diagrams.
When should I use Activation Funnel?
Activation Funnel fits situations like: tasks that involve Product metrics; tasks that involve Diagrams.
How do I install Activation Funnel in Claude Code?
Run `npx skills add borghei/Claude-Skills --skill activation-funnel -a claude-code`. Or copy the skill folder (project-management/execution/activation-funnel in borghei/Claude-Skills) into .claude/skills/activation-funnel in your project. Claude Code loads it when a task matches its description.
How do I install Activation Funnel in Codex?
Run `npx skills add borghei/Claude-Skills --skill activation-funnel -a codex`. Or copy the skill folder (project-management/execution/activation-funnel in borghei/Claude-Skills) into .agents/skills/activation-funnel in your project. Codex loads it when a task matches its description.
Can I use Activation 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 borghei/Claude-Skills --skill activation-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/activation-funnel, .gemini/skills/activation-funnel, .github/skills/activation-funnel and .opencode/skills/activation-funnel in your project.
What does Activation Funnel need to run?
Going by SKILL.md and its folder, Activation Funnel needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3.
Does Activation 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 Activation Funnel 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Activation Funnel use?
Activation 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 Activation Funnel use?
About 1.9k tokens (SKILL.md is roughly 7.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 11k tokens, read only when the agent opens those files.
What are the alternatives to Activation Funnel?
Skills that share tags, products or a category with Activation Funnel: Code Graph Mermaid Diagrams (trailofbits/skills, 7.4k stars), Code To Diagram (zebbern/claude-code-guide, 4.7k stars), Design Doc Mermaid (SpillwaveSolutions/design-doc-mermaid, 175 stars) and Markdown Mermaid Writing (neflibata-feng/MyArxiv-Agent, 126 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Activation Funnel?
borghei (a GitHub user) maintains it in borghei/Claude-Skills, which has 881 GitHub stars. The repository holds 349 skills in this directory. The repository was last updated on October 7, 2026.
Source: borghei/Claude-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.