Split.io Management Skill
Manage and analyze feature splits, targeting rules, segments, and experiments in Split.io.
API Conventions
Authentication
All API calls use the Authorization: Bearer $SPLIT_API_KEY header (Admin API key). Never hardcode tokens.
Base URL
https://api.split.io/internal/api/v2
Core Helper Function
#!/bin/bash
split_api() {
local method="$1"
local endpoint="$2"
local data="${3:-}"
if [ -n "$data" ]; then
curl -s -X "$method" \
-H "Authorization: Bearer $SPLIT_API_KEY" \
-H "Content-Type: application/json" \
"https://api.split.io/internal/api/v2${endpoint}" \
-d "$data"
else
curl -s -X "$method" \
-H "Authorization: Bearer $SPLIT_API_KEY" \
-H "Content-Type: application/json" \
"https://api.split.io/internal/api/v2${endpoint}"
fi
}
Output Rules
- TOKEN EFFICIENCY: Extract only needed fields with
jq - Target <=50 lines per script output
- Never dump full API responses
Discovery Phase
List Workspaces and Environments
#!/bin/bash
echo "=== Workspaces ==="
split_api GET "/workspaces" \
| jq -r '.objects[] | "\(.id)\t\(.name)"' | column -t
echo ""
WORKSPACE_ID="${1:?Workspace ID required}"
echo "=== Environments ==="
split_api GET "/workspaces/${WORKSPACE_ID}/environments" \
| jq -r '.[] | "\(.id)\t\(.name)"' | column -t
List Splits
#!/bin/bash
WORKSPACE_ID="${1:?Workspace ID required}"
echo "=== Splits ==="
split_api GET "/splits/ws/${WORKSPACE_ID}?limit=25" \
| jq -r '.objects[] | "\(.trafficType.name)\t\(.name)\t\(.creationTime | todate | .[0:10])"' \
| column -t
echo ""
echo "=== Split Summary ==="
split_api GET "/splits/ws/${WORKSPACE_ID}?limit=100" \
| jq '{total: .totalCount, by_traffic_type: (.objects | group_by(.trafficType.name) | map({(.[0].trafficType.name): length}) | add)}'
Analysis Phase
Split Definition
#!/bin/bash
WORKSPACE_ID="${1:?Workspace ID required}"
ENVIRONMENT_ID="${2:?Environment ID required}"
SPLIT_NAME="${3:?Split name required}"
echo "=== Split Definition ==="
split_api GET "/splits/ws/${WORKSPACE_ID}/environments/${ENVIRONMENT_ID}/${SPLIT_NAME}" \
| jq '{name, environment: .environment.name, killed: .killed, treatments: [.treatments[].name], defaultTreatment, rules: (.rules | length), defaultRule: .defaultRule}'
Change History
#!/bin/bash
WORKSPACE_ID="${1:?Workspace ID required}"
echo "=== Recent Changes ==="
split_api GET "/splits/ws/${WORKSPACE_ID}/changelog?limit=20" \
| jq -r '.objects[] | "\(.timestamp | todate | .[0:16])\t\(.operationType)\t\(.splitName)\t\(.email // "system")"' \
| column -t
echo ""
echo "=== Segments ==="
split_api GET "/segments/ws/${WORKSPACE_ID}?limit=15" \
| jq -r '.objects[] | "\(.name)\t\(.trafficType.name)"' | column -t
Output Format
- Use tab-separated columns with
column -t - Limit lists to 15-25 items
- Show summaries before details
Anti-Hallucination Rules
- NEVER assume resource names — always discover via CLI/API in Phase 1 before referencing in Phase 2.
- NEVER fabricate metric names or dimensions — verify against the service documentation or
--helpoutput. - NEVER mix CLI commands between service versions — confirm which version/API you are targeting.
- ALWAYS use the discovery → verify → analyze chain — every resource referenced must have been discovered first.
- ALWAYS handle empty results gracefully — an empty response is valid data, not an error to retry.
Counter-Rationalizations
| Shortcut | Counter | Why |
|---|---|---|
| "I'll skip discovery and check known resources" | Always run Phase 1 discovery first | Resource names change, new resources appear — assumed names cause errors |
| "The user only asked for a quick check" | Follow the full discovery → analysis flow | Quick checks miss critical issues; structured analysis catches silent failures |
| "Default configuration is probably fine" | Audit configuration explicitly | Defaults often leave logging, security, and optimization features disabled |
| "Metrics aren't needed for this" | Always check relevant metrics when available | API/CLI responses show current state; metrics reveal trends and intermittent issues |
| "I don't have access to that" | Try the command and report the actual error | Assumed permission failures prevent useful investigation; actual errors are informative |
Common Pitfalls
- Workspace scoping: Most endpoints require workspace ID in the path
- Treatments: Splits have named treatments (not just on/off) -- always list available treatments
- Traffic types: Splits are scoped to traffic types (user, account, etc.)
- Kill switch: Use
killedstatus to emergency-disable a split without removing rules - Admin API key: Management operations require Admin API key, not SDK key
- Rate limits: 10 requests per second for Admin API