CEORater Skill

Query CEO performance data for S&P 500 and major U.S. public companies via the CEORater API.

Prerequisites

Get an API key at https://www.ceorater.com/api-docs.html ($99/month per user)
Set the environment variable: CEORATER_API_KEY=zpka_your_key_here

Licensing Note: Self-serve API access permits individual research and analysis. Integrating CEORater data into proprietary firm models, AI/ML training, or building products requires an Enterprise Agreement — contact sales@ceorater.com.

Available Metrics

Metric	Range	Description
CEORaterScore	0-100	Composite CEO effectiveness rating
AlphaScore	0-100	Performance vs. market benchmark
RevenueCAGRScore	0-100	Tenure-adjusted revenue growth percentile
CompScore	A-F	Compensation efficiency grade
TSR During Tenure	%	Total Stock Return during CEO tenure
TSR vs. S&P 500	%	Performance relative to S&P 500 (SPY)
CEO Compensation	$M	Total compensation from most recent proxy filing
Revenue CAGR	%	Tenure-adjusted compound annual revenue growth

API Endpoints

Get Company by Ticker

curl -H "Authorization: Bearer $CEORATER_API_KEY" \
  "https://api.ceorater.com/v1/company/AAPL?format=raw"

Search Companies

curl -H "Authorization: Bearer $CEORATER_API_KEY" \
  "https://api.ceorater.com/v1/search?q=technology&format=raw"

List All Companies

curl -H "Authorization: Bearer $CEORATER_API_KEY" \
  "https://api.ceorater.com/v1/companies?limit=100&format=raw"

Health Check (no auth required)

curl "https://api.ceorater.com/status"

Usage Instructions

When the user asks about CEO performance, ratings, or executive compensation:

Single company lookup: Use the /v1/company/{ticker} endpoint
Sector/industry analysis: Use /v1/search?q={query}
Bulk data: Use /v1/companies?limit=N

Always use format=raw for numeric values suitable for calculations.

Example Queries

"What's the CEORaterScore for Apple?" → GET /v1/company/AAPL
"Show me technology sector CEOs" → GET /v1/search?q=technology
"Who are the top-rated CEOs?" → GET /v1/companies, sort by ceoraterScore
"Compare Tim Cook vs Satya Nadella" → GET /v1/company/AAPL and /v1/company/MSFT

Response Format (raw)

{
  "companyName": "Apple Inc.",
  "ticker": "AAPL",
  "sector": "Technology",
  "industry": "Computer Manufacturing",
  "ceo": "Tim Cook",
  "founderCEO": false,
  "ceoraterScore": 87,
  "alphaScore": 93.5,
  "revenueCagrScore": 75.2,
  "revenueCagr": 0.042,
  "compScore": "C",
  "tsrMultiple": 22.23,
  "tenureYears": 14.4,
  "avgAnnualTsrRatio": 1.55,
  "compPer1PctTsrMM": 0.482,
  "tsrVsSpyRatio": 15.64,
  "avgAnnualVsSpyRatio": 1.09,
  "compensationMM": 74.6
}

Error Handling

Code	Meaning
401	Missing or invalid API key
404	Ticker not found
400	Bad request parameters

Helper Script

For convenience, use {baseDir}/scripts/ceorater.sh:

# Get single company
{baseDir}/scripts/ceorater.sh get AAPL

# Search
{baseDir}/scripts/ceorater.sh search "healthcare"

# List top N
{baseDir}/scripts/ceorater.sh list 20

Data Coverage

516 CEOs as of February 2026, including all S&P 500 constituents
Updated daily after U.S. market close (typically by 6:30 PM EST)
Safe to cache responses for up to 24 hours

More Information

Documentation: https://www.ceorater.com/api-docs.html
Agent manifest: https://www.ceorater.com/.well-known/agent.json
Support: support@ceorater.com
Enterprise sales: sales@ceorater.com