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Access ServiceGraph — a structured catalog of 100k+ US professional-services firms (law, marketing, consulting, accounting, IT services, architecture, engineeri
Access ServiceGraph — a structured catalog of 100k+ US professional-services firms (law, marketing, consulting, accounting, IT services, architecture, engineering, HR, PR, design) with filters for industry, services offered, location, size, ratings, and third-party listing presence.
Stop scraping. Your agent's directory of US service firms is here.
Agent Skills for ServiceGraph — a structured catalog of 100k+ US professional-services firms (law, marketing, design, consulting, accounting, IT services, AI/ML, web development, engineering, HR, PR, cybersecurity, and more) with filters for industry, services offered, location, size, ratings, and third-party listing presence.
Compatible with 19+ AI agents including Claude Code, Codex, Cursor, GitHub Copilot, Gemini, Cline, Goose, Windsurf, and any other harness that supports the Agent Skills format.
npx skills add nostrband/servicegraph --skill find-service-providers
npx skills add nostrband/servicegraph
No signup is needed for catalog discovery (/v1/tags, /v1/check,
/v1/explore). Skills prompt the user for an email + one-time code only when
they reach the contact-info tier (/v1/search, /v1/get).
Find, shortlist, vet, or enrich US professional-services firms across all 22 industries in the catalog — law, marketing, consulting, accounting, IT services, architecture, engineering, HR, PR, design, and more.
Use when:
Find US marketing agencies — branding, content marketing, PPC/paid media,
social, email, performance/demand-gen, video production, full-service digital.
Auto-pins industry:marketing_agency so the agent doesn't have to.
Use when:
Find US SEO agencies — technical, on-page/off-page, link-building,
content-led, local, ecommerce, B2B SEO, audits. Auto-pins
industry:marketing_agency service_provided:seo.
Use when:
Find US design and creative agencies — graphic design, UX/UI, product
design, brand identity, packaging, illustration, motion design, creative
direction. Auto-pins industry:design_creative. Defers to
find-marketing-agency for marketing-led engagements where design is one
of several services, and to find-web-developer when the deliverable is a
built website rather than design assets.
Use when:
Find US software development firms — custom software, web/mobile development,
backend/API, DevOps/cloud consulting, system integration, hosting. Auto-pins
industry:it_services. Defers to find-web-developer for strictly
website/landing-page projects, and to find-ai-consultancy for AI/ML
modeling and data-engineering work.
Use when:
Find US web development firms — building, refreshing, or rebuilding
marketing sites, landing pages, ecommerce, WordPress/Webflow/Shopify,
headless CMS, microsites, and web frontend work. Auto-pins
industry:it_services service_provided:web-development. Defers to
find-software-developer for backend/API/mobile work, and to
find-marketing-agency when scope spans broader marketing.
Use when:
Find US AI/ML and data consulting firms — AI/ML development, MLOps,
generative AI / LLM apps (RAG, chatbots, agents), computer vision, NLP,
recommendation systems, data engineering, BI/analytics. Auto-pins
industry:data_ai_consulting. Defers to find-software-developer for
general app/backend work where AI is just a feature.
Use when:
Find US B2B law firms — corporate, IP/patent, M&A and securities,
employment, commercial litigation, regulatory/compliance, data privacy/
cyber, real estate, tax. Auto-pins industry:legal. The catalog is
B2B-only — consumer-personal matters (divorce, personal injury, criminal
defense, estate planning, family law, wills) are explicitly out of scope.
Use when:
Find US accounting and tax firms (CPA firms) — financial-statement audit,
SOC 1/2, corporate tax, bookkeeping for businesses, advisory/fractional
CFO, M&A diligence, 409A valuations, R&D tax credits, IPO readiness,
sales-and-use tax. Auto-pins industry:accounting_tax. B2B-only —
personal tax prep (1040, individual estate, retirement planning) is
out of scope.
Use when:
Find US management consultancies — strategy, operations, executive
coaching, leadership development, org-development/change management,
PMO/program management, sales/revenue ops. Auto-pins
industry:management_consulting and uses the service_provided
sub-tags (strategy-consulting, operations-consulting, etc.).
Use when:
Find US real-world engineering firms — civil, structural, MEP,
mechanical, electrical, geotechnical, transportation, environmental,
manufacturing. Auto-pins industry:engineering_services. NOT for
software engineering — defers software-dev / "engineering team" /
SaaS-architecture asks to find-software-developer. Skips residential
or consumer architecture asks.
Use when:
Find US recruiting and staffing firms — executive search/retained search,
RPO, tech/sales/healthcare recruiting, contingent/contract staffing, temp
staffing. Auto-pins industry:hr_recruiting_staffing. Procures an
external recruiting firm — does NOT fire on recruiting-an-employee
asks ("hire a recruiter for our team", "where should I post the job"),
candidate-side asks, or in-house recruiter hires.
Use when:
Find US public-relations and communications agencies — media relations,
crisis comms, investor relations (IR), product-launch PR, tech/startup
PR, healthcare PR, B2B PR, public affairs, brand reputation, internal
communications. Auto-pins industry:pr_comms. Defers to
find-marketing-agency when scope spans broader marketing beyond
PR/comms.
Use when:
Find US cybersecurity firms — pen-testing/red team, security audits, vCISO, SOC 2 readiness, incident response, managed SOC, IAM, cloud security, AppSec. Auto-pins the cybersecurity industry tag. B2B-only — consumer-personal cybersecurity ("my Gmail got hacked", "secure my home wifi") is out of scope.
Use when:
If your harness speaks the Model Context Protocol, skip the skill install and point it at the hosted MCP server:
https://mcp.servicegraph.co
api.servicegraph.co and is bounced back. No client
ID or secret to copy around.claude mcp add --transport http servicegraph https://mcp.servicegraph.co
Settings → Connectors → Add custom connector, then paste:
https://mcp.servicegraph.co
The OAuth handshake runs in your browser on first use.
~/.codex/config.toml:
[mcp_servers.servicegraph]
url = "https://mcp.servicegraph.co"
.cursor/mcp.json (or the equivalent for your harness):
{
"mcpServers": {
"servicegraph": {
"url": "https://mcp.servicegraph.co"
}
}
}
Skills are automatically available once installed. The agent will pick the right one when it detects a relevant task.
Examples:
Find me three boutique IP law firms in California that handle patent
prosecution for hardware startups.
Need a shortlist of mid-size SEO agencies in NY or NJ with a strong B2B
SaaS portfolio.
We're hiring a CPA firm for a Delaware C-corp Series A audit.
Recommend 5 options under 50 people.
Here are 12 marketing agency domains I scraped — pull contact info and
confirm which are in the US.
GET /v1/tags → field catalog · free · anonymous
GET /v1/check → validate filter · free · anonymous
GET /v1/explore → counts + breakdowns · free · anonymous
GET /v1/search → brief firm cards · 200/month free
GET /v1/get/{id} → full bundle (url, phone, email) · 50/month free
Skills know to walk down the funnel: cheap tiers first, expensive tiers only on shortlisted firms. Re-pages and overlapping queries are free — the quota counts only unique firm-views per calendar month.
One query parameter, GitHub-search-style. AND binds tighter than OR;
-x / NOT x for negation; tag@evidence for the service_provided field.
Any bareword is a free-text keyword search across firm name, brand, title,
meta description, and legal name.
industry:legal state:CA,NY -company_size_signal:solo
industry:management_consulting service_provided:strategy-consulting@high
dental industry:marketing_agency
rating>=4 review_count_total>=20 has:clutch
(web3 OR blockchain) state:CA
Field catalog (kinds, operators, allowed values) is discoverable at runtime via /v1/tags.
/v1/explore is fully anonymous. Get counts
and breakdowns for any filter to size the candidate pool before spending an
API call.Each skill follows the Agent Skills Open Standard:
SKILL.md — required manifest with frontmatter (name, description, metadata)The skills in this repo are single-file. No bundled scripts or references yet — the API is small enough that the agent does fine with prose + copy-pasteable curl examples.
MIT
Add this to claude_desktop_config.json and restart Claude Desktop.
{
"mcpServers": {
"servicegraph": {
"command": "npx",
"args": []
}
}
}