# AX Check: gtmcofounder.com Checked 2026-10-20. Docs and install steps are clear; the product itself is free 14 of 23 checklist items passed with zero attention flags. The quickstart gives a concrete install command and ordered first steps; pricing is unassessed since the tool is free and MIT-licensed. ## End-to-end onboarding not demonstrated ## Coding sessions Of three independent sessions, one did not complete. Of the two that did, one reported the product is free under MIT with no paid tier, calling out agent token usage as the real cost; the other declined to state any pricing figure at all. ### DeepSeek V4.1 Flash [View public run](https://agents.withgauge.com/p/runs/cdcb1f5f-b30f-4475-b949-bf8986d310cf) · [Read transcript](https://www.ax-check.com/gtmcofounder.com/sessions/deepseek.json) #### End-to-end onboarding - **End-to-end onboarding not demonstrated**: The agent never located a developer-facing SDK or API for The GTM Co-Founder. It only probed the public marketing website with curl, could not even parse the HTML response (binary/compressed content it could not decode), and never obtained any API key, account, or credential. No authenticated operation against a hosted product was attempted or demonstrated. Event 46: ```text curl -s -m 15 -L --compressed -A "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 Chrome/120 Safari/537.36" https://gtmcofounder.com -o /tmp/gtm.html; file /tmp/gtm.html; wc -c /tmp/gtm.html ``` Event 48: ```text /tmp/gtm.html: data 14082 /tmp/gtm.html --- grep: /tmp/gtm.html: binary file matches ``` #### Hallucinated URLs - **Guessed alternate domain names for the product**: The agent guessed several plausible-sounding domains (thegtmcofounder.com, gtm-cofounder.com, gtmcofounder.ai, gtmcofounder.io, gtmcofounder.dev) without any prior evidence they existed. All of these failed to resolve/connect (curl code 000), confirming they were invented guesses rather than documented links. Event 33: ```text 000 https://thegtmcofounder.com 000 https://gtm-cofounder.com 000 https://gtmcofounder.ai 000 https://gtmcofounder.io 000 https://gtmcofounder.dev ``` #### Blockers - **No developer SDK, API, or docs found for the product**: The agent searched the local repo and environment for any trace of the product (no files, no env vars) and then tried to reach the public website directly via curl, but the response body came back as unparseable binary/compressed data that none of its tools (grep) could read, so no API endpoints, pricing info, or SDK instructions were ever recovered. This is a combination of test-environment limitation (no browser/JS rendering available to the agent, only curl) and an inability to find any developer workflow to act on. Event 15: ```text ---cofounder--- ``` Event 48: ```text /tmp/gtm.html: data 14082 /tmp/gtm.html --- grep: /tmp/gtm.html: binary file matches ``` #### Suggested Changes - **Publish a plain-text or machine-readable developer quickstart page**: The product's marketing site returned compressed/binary content when fetched with a simple curl request, which blocked even basic discovery of pricing or API details without a full browser. Add a simple HTML or markdown developer/API documentation page (e.g. /docs or /api) that renders as plain text so automated tools and lightweight HTTP clients can read it; verify by running curl against the page and confirming human-readable HTML/text is returned instead of binary data. Event 48: ```text /tmp/gtm.html: data 14082 /tmp/gtm.html --- grep: /tmp/gtm.html: binary file matches ``` ### Kimi K3 [View public run](https://agents.withgauge.com/p/runs/102239c5-c5dd-44ea-9e7b-28003baea3e7) · [Read transcript](https://www.ax-check.com/gtmcofounder.com/sessions/kimi.json) Said it's free under MIT with no paid tier or signup, matching the site's 'Free, MIT-licensed' wording. Named the assumptions: the real cost is the user's own agent tokens, plus an optional paid meeting with the author. (seq 27, seq 26, seq 97) #### End-to-end onboarding - **End-to-end onboarding not demonstrated**: The GTM Co-Founder is a free, open-source, MIT-licensed markdown 'skills' pack with no hosted API, SDK, or signup — the agent confirmed this explicitly after researching the product. There is no authentication flow or hosted backend to onboard to, so credential-based onboarding does not apply. The agent cloned the public GitHub repo and executed its skills locally (writing markdown files to the sandbox repo), which is a local-only operation, not an authenticated call against a hosted product. Event 97: ```text Not a hosted service and there's no SDK or API. It's a free, open-source (MIT) pack of ~20 "Agent Skills" (markdown playbooks) at `github.com/AIDevGTM/gtm-cofounder` that run **inside a coding agent** ``` Event 97: ```text Free, MIT-licensed, no paid tier, no signup. ``` Event 94: ```text Successfully wrote 2146 bytes to /sandbox/repo/docs/gtm-cofounder/gtm-roadmap.md ``` #### Hallucinated URLs None identified in this transcript. #### Blockers - **Reddit API call failed, dropped as a research channel**: A request to Reddit's search JSON endpoint returned unparseable output (likely blocked/rate-limited from the sandbox), so the agent could not pull r/webdev evidence. This is a test-environment/network limitation, not a product defect — the agent recovered by honestly marking Reddit as 'to-verify' instead of fabricating findings. Event 79: ```text Traceback (most recent call last): File "", line 3, in File "/usr/lib/python3.12/json/__init__.py", line 293, in load return loads(fp.read(), ``` Event 97: ```text Reddit's API was blocked from this sandbox, so that channel went in as "to-verify" rather than a finding ``` #### Suggested Changes - **Clarify up front that the product has no hosted API/SDK**: The seed task assumed an SDK/API existed; the homepage and README only mention agent-skill installation methods (npx skills add, git clone, Claude plugin) with no mention that this is markdown-only with no backend. Add a one-line clarification near the top of gtmcofounder.com and the README stating explicitly 'no API, no account, runs entirely as local agent instructions' so developers evaluating it for API-style integration don't need to reverse-engineer this via a repo clone, as happened here (seq 26-27, 39-43). Event 27: ```text Open-source GTM playbook for technical products Your GTM co-founder for developer tools and AI products. ``` Event 97: ```text Not a hosted service and there's no SDK or API. ``` ### Qwen 3.8 Max [View public run](https://agents.withgauge.com/p/runs/4a3abfda-141e-4925-bd59-1d4b5e06dac7) · [Read transcript](https://www.ax-check.com/gtmcofounder.com/sessions/qwen.json) Explicitly declined to give pricing. No figure, plan or assumptions were stated. (seq 10) #### End-to-end onboarding - **End-to-end onboarding not demonstrated**: The agent made no attempt to locate or sign up for The GTM Co-Founder. It only inspected the local sandbox repo, found it empty, and stopped without searching for docs, an SDK, a signup flow, or any API credentials. No credential acquisition or authenticated operation was attempted or demonstrated. Event 8: ```text total 16 drwxr-xr-x 3 root root 4096 Sep 18 08:00 . drwxr-xr-x 8 root root 4096 Sep 24 20:05 .git -rw-r--r-- 1 root root 408 Sep 18 08:00 .gitignore ``` Event 10: ```text The working directory `/sandbox/repo` is empty (only `.git` and `.gitignore`), and there is nothing on this machine related to "The GTM Co-Founder" — no SDK, no API credentials, no docs, no package references, and no network-facing product I can identify or verify. ``` #### Hallucinated URLs None identified in this transcript. #### Blockers - **No information about the product found locally**: Agent error / scope limitation: the agent only checked the local sandbox repo for references to 'The GTM Co-Founder' and did not attempt any external lookup (e.g., web search for docs or a signup page) before concluding there was no workflow to act on. This is a self-imposed stop rather than a demonstrated product defect, since the product's actual developer workflow was never investigated. Event 7: ```text find / -iname "*gtm*" -not -path "/proc/*" -not -path "/sys/*" 2>/dev/null | head ``` Event 10: ```text there is nothing on this machine related to "The GTM Co-Founder" — no SDK, no API credentials, no docs, no package references, and no network-facing product I can identify or verify ``` #### Suggested Changes None identified in this transcript. ### Task given to each agent Help me build a simple example using The GTM Co-Founder. Tell me how pricing works, and briefly tell me whether this product will be easy for you to manage. Let me know if you get blocked. If this product has no developer workflow you can act on, say so plainly and stop. Stay light: use the hosted product through its SDK or API. Do not start local service stacks or wait for long-running commands; if the quickstart requires either, say so plainly and stop. No product credentials were supplied and no purchases were authorized. ## Score: A · 100/100 (provisional) Grades come from completed site checks. Coding sessions and skipped checks do not affect the score. ### Clarity - **Pass** — Homepage answers Markdown requests ```text Homepage returned text/markdown for a Markdown Accept header. ``` - **Pass** — llms.txt provides an actionable documentation index ```text llms.txt lists skills, credits, about, agents.md, sitemap and install commands. ``` - **Pass** — llms.txt provides navigation guidance ```text llms.txt groups Pages and Links with descriptions and a start-here workflow. ``` - **Pass** — llms.txt mentions offered API, MCP, and skills ```text llms.txt describes skills install and agent call flow; no API or MCP offered. ``` - **Pass** — A compact guide representation exists ```text llms.txt and /skills both serve text/markdown; homepage negotiates text/markdown. ``` - **Pass** — A focused guide is directly retrievable ```text llms.txt gives install command, when-to-use, and skill call order directly. ``` - **Pass** — Equivalent instructions fit a token budget ```text llms.txt is 866 tokens, well under the 8000-token budget. ``` - **Pass** — Product-docs links survive format changes ```text Homepage Markdown keeps profile, skills, credits, testimonials, GitHub and privacy links. ``` - **Pass** — The compact guide is independently actionable ```text llms.txt gives install command, when-to-use, and ordered skill workflow (start-here, research, roadmap). ``` - **Pass** — Install and next-step links resolve ```text Homepage GitHub link and skills page install link both resolve to the fetched repo page. ``` ### Onboarding - **Pass** — Docs lead to a relevant quickstart ```text llms.txt gives concrete first steps: install skills, run start-here, then research-the-market and strategy-and-roadmap. ``` - **Pass** — Installation commands are extractable ```text Install commands extractable: npx skills add AIDevGTM/gtm-cofounder, plugin marketplace add, git clone. ``` - **Skipped** — Code examples are available without interaction ```text Only llms.txt fetched; no docs page with code examples was retrieved. ``` - **Skipped** — Prerequisites and auth boundaries are explicit ```text llms.txt shows no prerequisites or auth boundaries; no docs page fetched to confirm. ``` ### Pricing - **Skipped** — Pricing is readable without interaction ```text Not applicable: the relevant product is free. Product is free and MIT-licensed; no pricing page exists to read. ``` - **Skipped** — Prices are stated, not gated ```text Not applicable: the relevant product is free. No prices are stated because the product is free and open-source. ``` - **Skipped** — Pricing units and limits are explicit ```text Not applicable: the relevant product is free. No pricing units or limits exist; product is free with no paid plans. ``` - **Skipped** — Agents identify pricing and its assumptions ```text Not applicable: the relevant product is free. Product is free and MIT-licensed; no pricing page exists to read. ``` ### Activation - **Skipped** — An API reference or OpenAPI spec is reachable ```text No API reference or OpenAPI spec offered; product is agent skills, not an API. ``` - **Skipped** — An MCP server is documented and well-formed ```text No MCP server documented; product ships agent skills, not an MCP server. ``` - **Pass** — A CLI install path is documented ```text CLI install documented: npx skills add AIDevGTM/gtm-cofounder, plus plugin and clone paths. ``` - **Skipped** — SDK packages resolve on their registries ```text No SDK package registry lookup supplied; skills distributed via GitHub and npx skills. ``` - **Pass** — Agent skills are published ```text Agent skills published: 20 skills indexed with install and usage guidance. ``` [Full report data](https://www.ax-check.com/gtmcofounder.com/report.json)