1
Bring your HTML in
Paste it, upload a file, or let your AI agent publish it for you. Comma renders it untouched — no rebuild, no broken charts.
feedback belongs beside the work
Comment on reports like they’re Google Docs.
Comma is the comment layer for your reports. Drop in any dashboard, notebook, or AI report. It shows up exactly as-is, and your team’s comments pin to the exact chart, cell, or line. Render. Comment. Share.
Free forever · No credit card · Live in 30 seconds
no screenshots, no lost Slack threads
Executive Summary
Quarterly Performance
Q1 2024
Revenue grew 18% compared to Q4, driven by strong enterprise adoption and improved conversion.1
JJordanMay 12, 9:41 AM
Can we add a source for this figure? Also, worth calling out the impact of the new pricing plan?
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Works with the tools your reports already come from
ClaudeCursorHexObservableMetabaseJupyterLookerdbtPlotlyTableau
How it works
Three steps. Zero setup.
2
Comment in context
Select any paragraph, chart, or table cell and pin a thread. Highlights stay anchored across revisions.
3
Share like a doc
Invite editors, commenters, and viewers, or hand out a link. Resolve threads when the work lands.
The product
The report stays intact. The feedback gets precise.
pinned to the exact cell
Use cases
Built for the people who actually ship the report.
Finance & FP&A
Close books faster with clear context around numbers, changes, and assumptions.
Marketing & Growth
Review campaign performance without screenshot threads or lost Slack feedback.
Product & Ops
Align around launch readouts, weekly metrics, and operational reviews.
Agencies
Share client-ready reports and collect feedback in one place.
Routines + MCPBeta
Reports that refresh themselves.
Schedule routine reports, auto-assign reviewers, and connect Comma to your tools and agents.
Schedule a routine
works where your team already does
Your data
Connect once
Comma
Process & context
Teams & tools
Share anywhere
Scheduled routines
Run reports on a cadence and post fresh revisions.
MCP and API
Let agents publish reports and respond to feedback.
Scoped tokens
Use revocable tokens for controlled access.
one line · remote MCP
$ claude mcp add --transport http comma https://commareports.com/api/mcp
Needs a free account — mint a token in Settings → API tokens. Full walkthrough in the Claude Code setup guide.
Faithful & safe
Faithful rendering, safe by default.
HTML stays intact
Reports render as HTML, not screenshots. Charts, tables, and scripts come through faithfully.
Sandboxed by default
Uploaded HTML runs isolated from account access in a sandboxed iframe.
Context stays anchored
Comments remain tied to the paragraph, chart, or table cell being discussed.
See it move
From upload to comment to share.
One continuous take. Real product, no mockups: drop in an HTML report, mark a line, drop a comment, watch a teammate reply live, then hand out a link.
Prefer hands-on? Try the live demoPricing
Comma is free. You only pay to run it.
Most popular
Free
Everything Comma does, free.
Best for: Anyone publishing, collaborating, or automating reports.
$0
Free forever, no credit card
- Unlimited reports
- Unlimited commenters per report
- Anchored comments and highlights
- Public share links
- On-demand publishing from Claude and other agents (API + MCP)
- Scheduled routines: bring your own AWS Bedrock key, free
- Or use our keys and top up prepaid credits, pay only for what you run
- API tokens with no limits
- Community support
Enterprise
For teams that need structure and control.
Best for: Teams, regulated industries, on-prem, procurement-led orgs.
Let’s talk
Custom, built around your team
- Everything in Free, plus:
- Teams and folders for workspace structure
- Pooled prepaid credits across the team
- Custom domain (e.g. reports.yourco.com)
- No “Published on Comma” mark on shared reports
- SSO / SAML (Okta, Google Workspace, others)
- Audit log, DPA, and IP allowlist
- On-prem / self-hosted deployment
- Bring your own AWS Bedrock at scale, billed to your AWS account
- Password-protected and expiring share links
- Dedicated support and SLA
After week one
What teams say after the first week.
The first review tool my engineers actually open.
We stopped maintaining a separate Notion mirror of every dashboard.
Claude writes the report, posts it, and resolves my feedback. I review one link.
Stop screenshotting reports into Slack.
Paste an HTML report and start reviewing in context.
30 seconds · No credit card