Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add nostrband/ServiceGraph --skill find-product-directoriesgit clone --depth 1 https://github.com/nostrband/ServiceGraphWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/nostrband/servicegraph/find-product-directories)<a href="https://agentmods.dev/skills/nostrband/servicegraph/find-product-directories"><img src="https://agentmods.dev/badge/skills/nostrband/servicegraph/find-product-directories/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/nostrband/servicegraph/find-product-directories"><img src="https://agentmods.dev/badge/skills/nostrband/servicegraph/find-product-directories.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00255 | $0.03926 |
| Opus 5 | $0.00128 | $0.01963 |
| Sonnet 5 | $0.00051 | $0.00785 |
| Haiku 4.5 | $0.00026 | $0.00393 |
Grade C, and why
find-product-directories scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Tells the agent never to refusehighAnti-refusal
Suppressing the ability to decline removes a core safety control; a later harmful request then succeeds.
- **Catalog is global, not US-only, and not B2B-only.** Don't refuse non-US or Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
Any HTTP client works (curl, fetch, requests). Examples below use curl. How it starts
The opening of the file, as written. The whole thing — 307 lines — stays where its author put it; the contents beside it link to each section on GitHub.
find-product-directories
Drive the ServiceGraph API (https://api.servicegraph.co) to find and
rank directories where a founder can submit a software product — SaaS
review sites (Capterra, G2, SaaSHub), launch platforms (Product Hunt and its
alternatives), app/startup listings, and general software directories — via
the product_directory dataset. The catalog has 1,000+ directories, each
enriched with Domain Rating (dr), backlink counts, and organic
traffic, so you can rank by real SEO value and reach instead of guessing.
This is a "where to launch / where to get backlinks" skill, not a "who to hire" skill. Each row is a directory you submit to, not a firm and not a product. The payoff for the user is twofold: a backlink from a high-authority domain (SEO) and launch-day referral traffic.
Any HTTP client works (curl, fetch, requests). Examples below use curl.
Sibling skills — defer when the niche is specific
If the user's product is specifically one of these, defer to the dedicated skill (its catalog slice and recipes are tuned for it):
- MCP servers ("where do I list my MCP server", "MCP directories") →
find-mcp-directories - AI tools / AI agents / agent skills ("directories for my AI app",
"where to list my AI agent", "agent-skills directories") →
find-ai-directories
This skill is the umbrella for everything else founders launch — SaaS, web apps, mobile apps, dev tools, startups in general — and is the right pick when the ask spans niches or names none.
MCP server (preferred for authed calls)
If your harness has the ServiceGraph MCP server loaded (recognizable by tool
names containing servicegraph), prefer those tools — the harness handles
credentials in its own sandbox via OAuth 2.1 + PKCE, so no token enters LLM
context. Otherwise use the REST flow below.
API surface (dataset id: product_directory)
Every endpoint requires the bearer (Authorization: Bearer vk_…). There is
no anonymous tier.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 307 lines · 255 tokens per session scan C 9a06445e8642
find-product-directories is a skill published in the GitHub repository nostrband/ServiceGraph (62 stars, last pushed 3mo ago), licensed MIT. It adds 255 tokens to every session and 3,926 once invoked, about $0.0013 per session on Opus 5. A static security scan graded it C with 2 findings (tells the agent never to refuse, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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