Sigma agent skills for Claude Code, Cursor and RevampKey

3 ready-made playbooks that teach an AI agent how to do real Sigma work: which tools to call, what to check first, and when to stop and ask you.

Download RevampKey, free I have it: connect Sigma

Connect Sigma once and all 3 skills install themselves and stay up to date. Mac, Windows and Linux.

All 3 Sigma skills

Each skill is one job. You ask in plain words and the agent loads the skill that matches, then follows its steps.

Start hereRead-only5 Sigma tools

Use the Sigma connector safely with AI

Confirms your Sigma organisation and scope, finds and describes the right data, runs bounded queries and reports results with their limits. It asks before switching workspace or building anything.

Use it when

You want to know a figure from a Sigma document without hunting for it yourself
You have several Sigma organisations or workspaces and need the right one used
A Sigma query returns nothing or hits a permission error and you want to know why

Tools it uses

begin_session
search
list_documents
describe
query

Example

What was last quarter's net revenue by region in the EMEA sales workbook?

I used the EMEA Sales workbook in your Sales workspace and filtered to last quarter. Net revenue totalled 4.2M across three regions: 1.9M for UK&I, 1.4M for DACH and 0.9M for Nordics. The figures come from the order-level table, so they reflect the filters in the workbook. I could not check the Nordics refunds field because your account lacks access to that connection.

Use in RevampKeyRead the full skill →

Read-only5 Sigma tools

Answer data questions from Sigma with AI

Finds the right Sigma document or data source for a business question, runs a bounded query and reports the answer with its source, scope and caveats. Read-only: it does not change anything in Sigma.

Use it when

You need a quick figure from a Sigma dashboard or data model without opening it yourself
You want to know why a metric moved and which source explains it
You need to confirm a number from two routes before sharing it

Tools it uses

search
describe
list_documents
begin_session
query

Example

How many orders did we ship in each region last quarter, and how does that compare with the quarter before?

Last quarter you shipped 1,842 orders: 712 in EMEA, 655 in North America and 475 in APAC. The quarter before had 1,630, so volume rose 13%. I took the figures from the Orders Fulfilment document, grouped by shipping region and filtered to shipped status. A second total computed from the line-level data also gave 1,842, so the join did not double count. Returns are excluded.

Use in RevampKeyRead the full skill →

Read-only3 Sigma tools

Build a Sigma workbook from your findings

Turns an agreed analysis into a new Sigma workbook. It drafts the structure first and creates nothing until you approve the plan.

Use it when

You have agreed the numbers and want them in a shareable workbook
You want a dashboard drafted before anything is saved to Sigma
You need the headline figures checked against the analysis before publishing

Tools it uses

search
describe
query

Example

Build a workbook for the churn findings we just agreed, with the three headline numbers and the trend by region, in the Customer Success workspace.

Here is the draft before I build anything. Page 1 has three headline figures: 412 churned accounts, a 6.8% churn rate and $1.2M of lost ARR. Page 2 has a trend by region over 12 months. I left out the per-account detail because it does not serve the decision. Reply yes to build it in Customer Success, or tell me what to change.

Use in RevampKeyRead the full skill →

Get all 3 without copying a file

RevampKey adds the skills when you connect Sigma, updates them for you and removes them when you disconnect.

Download RevampKey

How Sigma skills work

Connect Sigma
The Sigma MCP server gives the agent its tools.
Ask in plain words
“How many orders did we ship in each region last quarter, and how does that compare with the quarter before?” Each SKILL.md says when it applies, so only the one that fits is loaded.
Approve any change
The agent calls the tools in order, checks its work, and shows you any change before it makes it.

How to install Sigma skills

In RevampKey the skills install themselves when you connect Sigma. In other tools each skill is one folder with a SKILL.md file, and you also need the Sigma MCP server connected there.

About 1 minute · nothing to copy

Download RevampKey for Mac, Windows or Linux and sign in.
Open Connectors and connect Sigma. All 3 skills come with it and stay up to date; they go away when you remove the connector.
Ask in plain language, for example “How many orders did we ship in each region last quarter, and how does that compare with the quarter before?”
Download RevampKeyConnect Sigma · 1 click
Get RevampKey to connect Sigma
RevampKey is a free desktop app for Mac, Windows and Linux. Install it, sign in, and Sigma is one click away with its skills already attached.
Download RevampKey
Not now? Use the skills in your current tool
for s in essentials data-question-answering workbook-build-from-findings; do curl -fsSL --create-dirs -o .claude/skills/sigma-$s/SKILL.md https://revampkey.com/marketplace/sigma/skills/$s/SKILL.md done
Other tools

Into this project’s .claude/skills folder

Connect the Sigma MCP server in Claude Code.

Run this in your project folder to add all 3 skills:

for s in essentials data-question-answering workbook-build-from-findings; do
  curl -fsSL --create-dirs -o .claude/skills/sigma-$s/SKILL.md https://revampkey.com/marketplace/sigma/skills/$s/SKILL.md
done

Ask in plain language, for example “How many orders did we ship in each region last quarter, and how does that compare with the quarter before?”

Into the shared .agents/skills folder

Connect the Sigma MCP server in Cursor.

Run this in your project folder to add all 3 skills:

for s in essentials data-question-answering workbook-build-from-findings; do
  curl -fsSL --create-dirs -o .agents/skills/sigma-$s/SKILL.md https://revampkey.com/marketplace/sigma/skills/$s/SKILL.md
done

Ask in plain language, for example “How many orders did we ship in each region last quarter, and how does that compare with the quarter before?”

Into the shared .agents/skills folder

Connect the Sigma MCP server in Codex.

Run this in your project folder to add all 3 skills:

for s in essentials data-question-answering workbook-build-from-findings; do
  curl -fsSL --create-dirs -o .agents/skills/sigma-$s/SKILL.md https://revampkey.com/marketplace/sigma/skills/$s/SKILL.md
done

Ask in plain language, for example “How many orders did we ship in each region last quarter, and how does that compare with the quarter before?”

Into the shared .agents/skills folder

Connect the Sigma MCP server in VS Code.

Run this in your project folder to add all 3 skills:

for s in essentials data-question-answering workbook-build-from-findings; do
  curl -fsSL --create-dirs -o .agents/skills/sigma-$s/SKILL.md https://revampkey.com/marketplace/sigma/skills/$s/SKILL.md
done

Ask in plain language, for example “How many orders did we ship in each region last quarter, and how does that compare with the quarter before?”

RevampKey or copy the files?

In RevampKey

One click when you connect Sigma
Updated for you when a skill improves
Removed when you disconnect
The MCP server is set up for you
800+ other connectors, same way

Download free

Copy into your project

One command per project
Run it again to get updates
You connect the Sigma MCP server yourself
Works in Claude Code, Cursor, Codex and VS Code

See the command

Sigma skills FAQ

What is a Sigma agent skill?

A SKILL.md file: a short playbook an AI agent loads when your request matches it. Each Sigma skill describes one job, which Sigma tools to use in which order, what to check first and when to stop and ask you.

Do the Sigma skills change anything on their own?

3 of the 3 only read. The others tell the agent to show you the change and wait for a yes before it creates, edits or deletes anything in Sigma.

Which tools can use these skills?

Any agent that reads the open Agent Skills format: Claude Code, Cursor, Codex, VS Code with Copilot and RevampKey. In RevampKey they are attached when you connect Sigma; elsewhere you copy the folders into your project or skills directory.

Do I need the Sigma MCP server too?

Yes. The skills tell the agent how to do the work; the Sigma MCP server gives it the tools to do it. The Sigma MCP setup guide covers every client.

Sigma MCP server setup · This page as Markdown

Put Sigma’s best workflows in your agent

Download RevampKey, connect Sigma and ask your first question in about a minute.

Download RevampKey Connect Sigma · 1 click

All 3 Sigma skills

Use the Sigma connector safely with AI

Use it when

Tools it uses

Answer data questions from Sigma with AI

Use it when

Tools it uses

Build a Sigma workbook from your findings

Use it when

Tools it uses

Get all 3 without copying a file

How Sigma skills work

How to install Sigma skills

RevampKey or copy the files?

In RevampKey

Copy into your project

Sigma skills FAQ

Put Sigma’s best workflows in your agent

Skills for related tools