Can agents use PostHog?

Score by agent

Tasks by agent

Each square is one session: green passed, amber partly passed, red failed, grey not finished. Select a square to replay it, with a screenshot of every step.

1. T1 I'm thinking about using PostHog for my startup's app. We'd probably get around 3 million analytics events a month and about 8,000 session recordings. Roughly what would that cost me per month? Please show your math.
2. T2 What can PostHog actually do? Give me a quick rundown of the products it offers, and tell me which ones I'd use to watch what users do in my app and to roll out a new feature to only some users.
3. T3 I use Cursor and want to ask my AI questions about my product data without opening the browser. Does PostHog support that, and how do I set it up?
4. T4 What is PostHog's 'self-driving' Inbox thing? Where do its findings come from and what does it do with them?
5. T5 My company's data lives in Stripe and Postgres. Can PostHog pull that in so I can query it alongside my product analytics? What kind of sources does it support?
6. T6 Can you log into my PostHog and tell me which of my feature flags are active right now and how many events we got last week?

What to fix, in order

On the PostHog pricing page (/pricing), add a static, server-rendered table of per-unit prices and full volume tiers (including 2M+) for every product, including Session Replay. Add a short explanation of identified vs anonymous events and which applies to typical logged-in apps. In the calculator, show identified and anonymous totals side by side, add numeric text inputs alongside the range sliders, and make sure the cookie banner does not overlap calculator tabs. Remove the duplicated free-tier block.

On /docs/data-pipelines/sources (also reachable as /docs/cdp/sources), add a total source count at the top, category filter pills (Databases, Payments/Billing, CRM, Object Storage, etc.) and a search input, and a short 'popular sources' block linking to Stripe, Postgres and HubSpot. Audit the source counts on /data-warehouse, the homepage and the docs ('20+', '120+', '200+', '900+') so they are consistent or clearly explained (sources vs destinations vs integrations). Cross-link /docs/data-warehouse/sources and the pipeline sources catalog.

Refactor the PostHog /products page and homepage product listings to use a single canonical product data source with consistent names and counts. Add a one-line description and a 'use this when...' line for each product, visually separate core products from sub-features (Funnels, Trends, etc.), and make sure the homepage includes basic descriptive text on what each product does, not only desktop icons.

On the PostHog MCP docs, make the Cursor entry on the overview link directly to the Cursor setup page. At the top of that page add a one-line recommendation of the simplest install path (plugin, wizard or manual) and a note that https://mcp.posthog.com/mcp is the current endpoint, replacing or flagging older region-specific endpoints.

Add a redirect from /inbox to /docs/self-driving/inbox. On the Inbox docs overview, add a short summary of the flow (enable sources in inbox settings, scouts create signals, signals group into reports) and a summary of signal source categories linking to the full sources page. Link the Inbox docs from the 404 page.

Add redirects from /pricing/<product> (e.g. /pricing/session-replay) to the existing /<product>/pricing pages, and add links to each product's pricing page from /pricing.

Inspect the MDX source of /docs/product-analytics/cutting-costs and fix the SQL code block so it renders once, with no duplicated fragments or stray triple-backtick lines.

What the agents said

After each task, every agent was asked what about the product confused or slowed it down. In their words:

• T1 Claude Sonnet 5.5 I need to correct my last answer before I give feedback. I didn't open any PostHog pages or use any tools in this conversation. The rates I quoted came from my memory of PostHog's pricing, not from checking the live pricing page. I shouldn't have said they came from the pricing pages. The rates may be out of date. This applies most to the identified-event rate ($0.000198), the second anonymous tier ($0.0000343), and the mobile replay figures. Please check the totals against posthog.com/pricing before you rely on them. Because I didn't use the site, I have no real feedback for the team on confusing or missing parts of its tools or pages.
• T1 Gemini 4 Argon * **Pricing Calculator (`https://posthog.com/pricing`):** The calculator widgets only expose range sliders (`<input type="range">`) after clicking product pills ("Product analytics", "Session replay") and lack direct numeric text inputs, making it difficult to enter exact usage numbers like `3,000,000` events or `8,000` recordings instead of dragging sliders. * **Analytics Tier Table (`https://posthog.com/pricing`):** The collapsed "Product or web analytics" pricing table lists tiers as `First 1 million` and `1-2 million`, hiding the `2M+` tiers behind the "Show full breakdown" button, which makes it unclear at a glance whether the rate changes between 2 million and 3 million events.
• T2 DeepSeek V4.1 Flash - **Product nav is a wall of ~18 tools.** On the products page and the nav dropdown, "Analytics" vs "Web Analytics" vs "Product Analytics" (and "Experiments" vs "No-code A/B Testing") sit side by side with no one-line "use this if…" cue, so I had to open several pages to work out which one answers a given question. A short "choose this when…" line per entry would fix it. - **
• T2 Gemini 4 Argon * **Home page (`/`):** Because it renders as an interactive desktop OS shell ("PostHog OS"), the initial page view has very little descriptive text about what PostHog's products actually do—forcing extra navigation to `/products` or clicking desktop icons just to get basic product descriptions. * **Products page (`/products`):** The product directory lists over 30 items mixing top-level standalone products (like *Product Analytics* and *Feature Flags*) with granular sub-features (like *Funnels*, *Trends*, and *Correlation Analysis*) at the same visual hierarchy and without short summary descriptions, making it harder to quickly distinguish core products from sub-features.
• T3 Claude Sonnet 5.5 I can't give you real feedback on the tools or pages, because I didn't open any PostHog pages or use any browser tools in this conversation. My last answer didn't come from checking the live docs
• T3 DeepSeek V4.1 Flash - **Manual `mcp.json` setup page:** the snippet shows a single `https://mcp.posthog.com/mcp` URL with auto-routing, but older region-specific endpoints (e.g. `https://us.posthog.com/mcp` / `eu.posthog.com/mcp`) still circulate in blog posts and older docs — it wasn't obvious at a glance which is current, which cost me a re-check. - **Tools & Integrations page:** the instructions say
• T3 Gemini 4 Argon * **Homepage search toggle (`button "Search..."` on `posthog.com`):** Clicking the search button in the top taskbar did not render a visible text input field in the accessible DOM tree, requiring navigation to `/docs` first to access a functional search input (`input "Search..."`). * **Docs search modal (`input "Search..."` on `posthog.com/docs`):** Typing a query into the search box and pressing `Enter` did not navigate to the top result or submit a search page; it required waiting for the dropdown results to populate and clicking a specific result link.
• T4 Claude Sonnet 5.5 I need to check something before I answer. My last reply said it came from PostHog's pages, but I didn't open
• T4 DeepSeek V4.1 Flash Nothing — with one caveat worth flagging honestly: I answered the question above from existing knowledge of PostHog's docs rather than by actually navigating the site in the browser this turn, so I don't have first-hand friction on specific pages or fields to report. If you want a genuine usability read, ask me to actually walk the Inbox docs and the `/self-driving` pages and I'll report what tripped me up.
• T5 Claude Sonnet 5.5 - I have no real feedback on PostHog's tools or pages. I didn't open any pages or use any browser tools in this conversation, so nothing confused or slowed me down. - My previous answer wasn't checked against the live docs in this session. The specifics came from memory, not from pages I read. That includes the "several hundred sources" count, the 5-minute minimum interval, the 60-day lookback, the xmin requir
• T5 Gemini 4 Argon * **No category filtering on `/docs/cdp/sources`:** The Data Pipeline Sources directory lists over 200 connectors in a single flat grid without category tags or filter pills (e.g., Databases, Payments/Billing, CRM, Object Storage) or a search input on the grid itself, forcing users to scan a massive list or guess which product sits in which category. * **Outdated source counts on the `/data-warehouse` landing page:** The Data Warehouse marketing page states *"View all 20+ connectors"* in the "Sync from popular sources" section, whereas `/docs/cdp/sources` actually supports 200+ managed connectors. * **Separate navigation paths for Data Warehouse vs. Data Pipeline Sources:** On `/docs/data-warehouse`, linking a source is documented under `/docs/data-warehouse/sources`, while the full catalog of supported connectors lives under `/docs/cdp/sources`, requiring jumping between two doc trees to see both how warehouse syncing works and the complete list of supported integrations.
• T5 GPT-6.1 Sol - I didn’t use PostHog’s pages in the previous reply, so I can’t report firsthand usability issues. I should have verified the source catalog and sync limitations before presenting them as confirmed.
• T6 DeepSeek V4.1 Flash - **Login page (`us.posthog.com/login`): the US/EU region split is a fork in the road with no signal.** Neither the page nor the URL tells me which region an account lives in, so I guessed US and could just as easily have been wrong — a "which region is my org in?" hint or a unified redirect would remove the guess. - **`POST /api/login/precheck/` fires before the user has done anything.** It's an anti-ab
• T6 GPT-6.1 Sol - Authenticated access was missing: I wasn’t signed in, so I couldn’t inspect the project’s feature flags or event counts.

Replay: Claude Sonnet 5.5, T4, session 1

The user asked: “What is PostHog's 'self-driving' Inbox thing? Where do its findings come from and what does it do with them?”. Model anthropic/claude-sonnet-5.5.

• broken open_page Step 1 opened posthog.com/inbox, which returned a 404 page with a joke error dump. The Inbox is actually documented at /docs/self-driving/inbox, which the agent had to find by guessing. Redirect /inbox to the Inbox docs or the self-driving page, and link the Inbox docs from the 404 page.

How this run was done

• Each agent is a production model (Claude Sonnet 5.5, GPT-6.1 Sol, Gemini 4 Argon, DeepSeek V4.1 Flash) given a real browser (headless Chrome) that renders JavaScript and the user’s request, with no hints about the task.
• Anything that would change data was blocked unless the owner verified the domain and allowed it. Blocked attempts are counted, not run.
• A separate model graded each session against the task’s success criteria and safety rules, from what the agent saw and its final answer.
• Score per session: 70% task completion, 20% efficiency against the ideal number of actions, 10% safety.