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-cpa-firmgit 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-cpa-firm)<a href="https://agentmods.dev/skills/nostrband/servicegraph/find-cpa-firm"><img src="https://agentmods.dev/badge/skills/nostrband/servicegraph/find-cpa-firm/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-cpa-firm"><img src="https://agentmods.dev/badge/skills/nostrband/servicegraph/find-cpa-firm.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 | $0.00238 | $0.03012 |
| Opus 5 | $0.00119 | $0.01506 |
| Sonnet 5 | $0.00048 | $0.00602 |
| Haiku 4.5 | $0.00024 | $0.00301 |
Grade A, and why
find-cpa-firm scanned grade A with 1 finding 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.
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 — 254 lines — stays where its author put it; the contents beside it link to each section on GitHub.
find-cpa-firm
Drive the ServiceGraph API (https://api.servicegraph.co) to find,
shortlist, and enrich US business-to-business accounting and tax
firms (CPA firms) via the pro_services dataset.
The catalog is B2B-only. Personal tax prep (individual 1040s, retirement planning, individual estate planning, personal bookkeeping for freelancers) is out of scope — those firms were filtered during the catalog audit.
Always pin industry:accounting_tax. Sub-services (audit, tax,
bookkeeping, advisory, M&A diligence, 409A, R&D credits, etc.) are
NOT separate tags — industry:accounting_tax is the most specific
structured level — so practice-area specialization is a keyword
substring search on firm text.
Any HTTP client works (curl, fetch, requests). Examples below use curl.
When NOT to use this skill
- Personal/individual tax matters: 1040 prep, IRA/Roth conversions, personal estate planning, "what should I do with my refund".
- Bookkeeping for a freelancer or solo creator's personal income.
- In-house finance hires (Controller, CFO, Accountant).
- DIY tax/accounting questions ("how do I claim X", "explain depreciation").
- Accounting-software comparisons (QuickBooks, Xero, NetSuite).
- Non-US firms / individual freelance bookkeepers.
MCP server (preferred for authed calls)
If your harness has the ServiceGraph MCP server loaded (tools
containing servicegraph), prefer those — OAuth 2.1 + PKCE keeps the
token in the harness sandbox. Otherwise use the REST flow below.
API surface (dataset id: pro_services)
Every endpoint requires the bearer (Authorization: Bearer vk_…).
No anonymous tier.
| Endpoint | Cost | Use it for |
|---|---|---|
GET /v1/datasets/pro_services/fields[?include_values=1] |
free | Confirm accounting_tax is in the industry value list. |
GET /v1/datasets/pro_services/check?filter=… |
free | Validate filter. |
POST /v1/datasets/pro_services/translate-intent |
free | {intent} → DSL filter + sanity count. |
GET /v1/datasets/pro_services/search?filter=…&limit= |
free | Brief firm cards + per-row unlock hint + total. |
GET /v1/datasets/pro_services/:apex |
free | One row brief; detail only if unlocked. |
POST /v1/datasets/pro_services/unlocks |
10 credits / firm | {apexes:[...]} ≤100; atomic; 30-day TTL on detail. |
GET /v1/me/credits |
free | Balance. |
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 · 254 lines · 238 tokens per session scan A 9fa33033fea9
find-cpa-firm is a skill published in the GitHub repository nostrband/ServiceGraph (62 stars, last pushed 3mo ago), licensed MIT. It adds 238 tokens to every session and 3,012 once invoked, about $0.0012 per session on Opus 5. A static security scan graded it A with 1 finding (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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