Use whenever the user wants to find, shortlist, vet, or enrich US cybersecurity firms — pen-testing/red team, security audits, vCISO, SOC 2 readiness, incident response, managed SOC, IAM, cloud security, and AppSec. Triggers on "find me a pen-testing firm for our SOC 2 audit", "shortlist three vCISO services for our healthcare-tech startup", "we need an incident response retainer", or "pull contact info for these 8 security firm domains", even when described indirectly (we got breached, prepare us for the compliance audit, get us SOC 2 ready). Drives the ServiceGraph API (api.servicegraph.co) — a 100k+ US firm catalog filterable by industry, services, location, size, ratings. Skip in-house security hires, "how do I patch CVE-X" or "configure firewall Y" DIY questions, security-product reviews (CrowdStrike vs SentinelOne, etc.), generic security knowledge questions, consumer/personal security advice, non-US firms, individual freelancers and bug-bounty hunters.
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name
find-cybersecurity-firm
description
Use whenever the user wants to find, shortlist, vet, or enrich US cybersecurity firms — pen-testing/red team, security audits, vCISO, SOC 2 readiness, incident response, managed SOC, IAM, cloud security, and AppSec. Triggers on "find me a pen-testing firm for our SOC 2 audit", "shortlist three vCISO services for our healthcare-tech startup", "we need an incident response retainer", or "pull contact info for these 8 security firm domains", even when described indirectly (we got breached, prepare us for the compliance audit, get us SOC 2 ready). Drives the ServiceGraph API (api.servicegraph.co) — a 100k+ US firm catalog filterable by industry, services, location, size, ratings. Skip in-house security hires, "how do I patch CVE-X" or "configure firewall Y" DIY questions, security-product reviews (CrowdStrike vs SentinelOne, etc.), generic security knowledge questions, consumer/personal security advice, non-US firms, individual freelancers and bug-bounty hunters.
Drive the ServiceGraph API (https://api.servicegraph.co) to find,
shortlist, and enrich US cybersecurity firms via the pro_services
dataset.
Always pin service_provided:cybersecurity — that's the only
relevant structured tag in the live catalog. Older docs and the
catalog source mention sub-tags like pen-testing and
security-audit, but in the current release none of those exist as
separate tags — cybersecurity is the broad catch-all and every
sub-type (pen-testing, red-team, vCISO, SOC 2 readiness, IR retainer,
IAM, cloud security, AppSec) is a keyword substring search on firm
text. Confirm via /v1/datasets/pro_services/fields?include_values=1
once per session.
The industry tag also drifts between releases — newer catalogs may
use industry:cybersecurity, older ones used industry:security.
Confirm the value via /fields and pin both industry and
service_provided:cybersecurity for safety.
Any HTTP client works (curl, fetch, requests). Examples below use curl.
When NOT to use this skill
Consumer/personal cybersecurity ("my Gmail got hacked", "how do I secure my home wifi") — the catalog is B2B procurement only.
the ServiceGraph MCP server (https://mcp.servicegraph.co) loaded in
your harness — this plugin's .mcp.json wires it up; OAuth 2.1 + PKCE
keeps credentials in the harness sandbox — or
a ServiceGraph API key (vk_…, minted at
https://servicegraph.co/profile/api-keys) available as
SERVICEGRAPH_API_KEY in the environment or .env.local for the REST
path (setup steps under Auth below).
An HTTP client for the REST path — the examples use curl.
Instructions
The loop is free-first: discovery, validation, search, and brief reads cost
nothing; only unlock after the user confirms the spend.
Pick the call path — the ServiceGraph MCP tools if loaded, otherwise the
REST flow (MCP server and Auth sections below).
GET /v1/datasets/pro_services/fields?include_values=1 — confirm the
fields and values you plan to filter on exist.
Build the filter (Filter DSL below) and validate it with
GET /v1/datasets/pro_services/check — or draft it from plain English via
POST /v1/datasets/pro_services/translate-intent.
GET /v1/datasets/pro_services/search — present the free brief cards and
let the user pick.
Quote the unlock cost (10 credits per row, 30-day TTL) and get an explicit
go-ahead.
POST /v1/datasets/pro_services/unlocks with the chosen apexes; report the
revealed detail.
GET /v1/me/credits to report the remaining balance when asked.
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 industry value name and cybersecurity is in service_provided.
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.
Cost model. Discovery / validation / search / brief reads are
free. Detail (url, phone, email, social, address, full platforms
map) costs 10 credits per firm and lasts 30 days.
Auth
vk_* API keys minted in the dashboard. Keep the token out of the
LLM context — never read .env* into your context; dispatch via
shell.
Try the call first through a shell wrapper that sources .env.local:
"Open https://servicegraph.co/profile/api-keys, create a
key, and add SERVICEGRAPH_API_KEY=vk_… to .env.local here
(or export it). Tell me when done. Please don't paste the key
into chat."
Retry after the user signals ready.
Filter DSL
GitHub-search-style.
filter := orExpr
orExpr := andExpr ("OR" andExpr)*
andExpr := notExpr (("AND")? notExpr)* # whitespace = implicit AND
notExpr := ("NOT" | "-") notExpr | atom
atom := "(" filter ")" | predicate
predicate:= IDENT op valueOrList | bareword
op := ":" | "=" | ">=" | "<=" | ">" | "<"
valueOrList := value ("," value)*
value := IDENT | NUMBER | tagAtEvidence
tagAtEvidence := IDENT "@" ("low"|"medium"|"high")
bareword := IDENT | NUMBER # → keyword:<bareword>
Four rules that bite: AND binds tighter than OR (use parens);
comma list = OR within one predicate; negation is -x or NOT x;
bareword = keyword search (quote multi-word phrases).
Cybersecurity examples (validate yours with /check; replace
cybersecurity with whatever /fields returns as the industry value):
The live catalog has no separate pen-testing / security-audit /
appsec tags — pin service_provided:cybersecurity and treat all
sub-types as keywords.
Sub-type → keyword mapping (all sub-types are keyword-only):
User asks for
Use
Pen test / red team
pen-testing, "red team"
Security audit / assessment
audit, assessment
vCISO / fractional CISO
vciso, "fractional ciso"
SOC 2 readiness
"soc 2", readiness
Incident response / forensics
"incident response", forensics, "ir retainer"
Cloud security
"cloud security", aws, gcp, azure
Identity / IAM
iam, identity
Application security / SAST/DAST
"application security", appsec, sast, dast
Compliance frameworks
pci, hipaa, "iso 27001", nist
Identifying firms — apex
Firms are identified by their apex domain (mandiant.com, not
www.mandiant.com/about).
Output
All responses are JSON.
Search returns free brief firm cards — apex, name, location, and
rating signals — plus a per-row unlock hint and the match total. Briefs
never include url, phone_primary, email_primary, legal_name,
address_full, or the full platforms map.
Unlock (POST …/unlocks) returns each unlocked firm's detail block —
contact fields, address, socials, the platforms map — plus per-item
billing; detail stays readable for 30 days.
Errors arrive as a JSON envelope
{"error": {"code": "…", "message": "…"}} — see Errors below.
Examples
A. Pen test for SOC 2
User: "Pen-testing firm for our SOC 2 audit."
GET /v1/datasets/pro_services/search?filter=service_provided:cybersecurity+pen-testing+"soc 2"&limit=10
# Present, get pick of 3. "Unlocking 3 = 30 credits, 30-day TTL."
POST /v1/datasets/pro_services/unlocks
{ "apexes": ["firm-a.com", "firm-b.com", "firm-c.com"] }
B. vCISO for a healthcare-tech startup
GET /v1/datasets/pro_services/search?filter=service_provided:cybersecurity+vciso+(healthcare OR hipaa)&limit=10
C. Incident response retainer
User: "Incident response retainer in case we get breached."
GET /v1/datasets/pro_services/search?filter=service_provided:cybersecurity+"incident response"+retainer&limit=10
If thin, drop retainer — most IR firms offer retainer engagements as standard.
D. Cloud security + AWS + HIPAA
GET /v1/datasets/pro_services/search?filter=service_provided:cybersecurity+cloud+aws+hipaa&limit=10
E. Indirect intent — "we got breached"
User: "We got hit with ransomware last week — we need help fast."
That's emergency IR:
GET /v1/datasets/pro_services/search?filter=service_provided:cybersecurity+"incident response"+ransomware&limit=10
Skip validation; present briefs immediately given urgency.
F. AppSec / SAST
GET /v1/datasets/pro_services/search?filter=service_provided:cybersecurity+"application security"+(sast OR "code review")&limit=10
G. SOC 2 readiness ahead of enterprise sales
GET /v1/datasets/pro_services/search?filter=service_provided:cybersecurity+"soc 2"+(readiness OR preparation)&limit=10
H. BYO apex list — enrich domains
User pastes 8–20 cybersecurity firm domains:
GET /v1/datasets/pro_services/:apex per domain — free brief
(404 = not in catalog, no charge).
User picks N to fully enrich. POST /unlocks = 10×N credits,
atomic, detail returned.
Re-runs within 30-day TTL are free.
Gotchas
Always pin the cybersecurity service tag. Without it, pen-testing / vciso / appsec keywords leak into IT-services rows that mention security.
Confirm the industry value name via /fields — older catalogs used industry:security, newer ones may use industry:cybersecurity. Don't hardcode.
Refuse consumer-personal asks. "My Gmail got hacked", "how do I secure my home wifi", "should I use a VPN" — not B2B procurement.
DIY/configuration questions ("patch CVE-X", "configure firewall rules", "review this Terraform") are NOT procurement.
Security-product comparisons (EDR, SIEM, identity providers) are NOT procurement either.
"Hire a security engineer / CISO" is recruiting, not procurement of a firm. Refuse.
Bug-bounty / freelance pen-testers are out of scope (catalog is firm-level only).
Sub-types are keyword-only. Multi-word sub-types split into ANDed barewords unless quoted ("incident response" → one phrase).
Briefs DO include apex, name, location, ratings. They DON'T include url, phone_primary, email_primary, legal_name, address_full, full platforms — those require an unlock.
not_found / not_in_dataset 404 = not in pro_services. Skip; not charged.
Unlock is atomic. N apexes either all charge (up to 10×N credits) or none on 402.
