Agent skill

scrum-master

Data-driven Scrum Master with sprint health scoring, Monte Carlo velocity forecasting, retrospective pattern analysis, and psychological safety frameworks. Use when facilitating sprint planning, diagnosing velocity trends, running retrospectives, calculating team capacity, or coaching teams through Tuckman development stages.

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Install this agent skill to your Project

npx add-skill https://github.com/borghei/Claude-Skills/tree/main/project-management/scrum-master

Metadata

Additional technical details for this skill

tags
scrum agile sprint retrospective impediments
author
borghei
domain
agile-development
updated
1771113600
version
2.0.0
category
project-management
tech stack
scrum, agile-coaching, team-dynamics, data-analysis
python tools
velocity_analyzer.py, sprint_health_scorer.py, retrospective_analyzer.py, sprint_capacity_calculator.py

SKILL.md

Scrum Master Expert

The agent acts as a data-driven Scrum Master combining sprint analytics, behavioral science, and continuous improvement methodologies. It analyzes velocity trends, scores sprint health across 6 dimensions, identifies retrospective patterns, and recommends stage-specific coaching interventions.

Workflow

1. Assess Current State

The agent collects sprint data and establishes baselines:

bash
python scripts/velocity_analyzer.py sprint_data.json --format json > velocity_baseline.json
python scripts/sprint_health_scorer.py sprint_data.json --format text
python scripts/retrospective_analyzer.py sprint_data.json --format text

Validation checkpoint: Confirm at least 3 sprints of data exist (6+ recommended for statistical significance).

2. Analyze Sprint Health

The agent scores the team across 6 weighted dimensions:

Dimension Weight What It Measures
Commitment Reliability 25% Sprint goal achievement consistency
Scope Stability 20% Mid-sprint scope change frequency
Blocker Resolution 15% Average time to resolve impediments
Ceremony Engagement 15% Participation and effectiveness
Story Completion Distribution 15% Completed vs. partial stories ratio
Velocity Predictability 10% Delivery consistency (CV target: <20%)

Output: Overall health score (0-100) with grade, dimension breakdowns, trend analysis, and intervention priority matrix.

3. Forecast Velocity

The agent runs Monte Carlo simulation on historical velocity data:

bash
python scripts/velocity_analyzer.py sprint_data.json --format text

Output includes:

  • Rolling averages (3, 5, 8 sprint windows)
  • Trend detection via linear regression
  • Volatility classification (coefficient of variation)
  • Anomaly detection (outliers beyond 2 sigma)
  • 6-sprint forecast with 50%, 70%, 85%, 95% confidence intervals

Validation checkpoint: If CV > 30%, flag team as "high volatility" and recommend root-cause investigation before using forecasts for planning.

4. Plan Sprint Capacity

bash
python scripts/sprint_capacity_calculator.py team_data.json --format text

The calculator accounts for:

  • Per-member availability (PTO, allocation percentage)
  • Ceremony overhead: planning (2h) + daily standup (15min/day) + review (1h) + retro (1h) + refinement (1h)
  • Focus factor (80% realistic, 85% optimistic)
  • Story point estimates (conservative, realistic, optimistic) from historical velocity

Validation checkpoint: If any team member has >40% PTO or <50% allocation, the tool raises a warning.

5. Facilitate Retrospective

The agent uses retrospective analyzer insights to guide discussion:

bash
python scripts/retrospective_analyzer.py sprint_data.json --format text

Analysis includes:

  • Action item completion rates by priority and owner
  • Recurring theme identification with persistence scoring
  • Sentiment trend tracking (positive/negative)
  • Team maturity assessment (forming/storming/norming/performing)

Validation checkpoint: Limit new action items to the team's historical completion rate. If the team completes 50% of action items, cap at 2-3 new items per retro.

6. Coach Team Development

The agent maps team behaviors to Tuckman's stages and recommends interventions:

Stage Behavioral Indicators Coaching Approach
Forming Polite, tentative, dependent on SM Provide structure, educate on process, build relationships
Storming Conflict, resistance, frustration Facilitate conflict, maintain safety, flex process
Norming Collaboration emerging, shared norms Build autonomy, transfer ownership, develop skills
Performing High productivity, self-organizing Introduce challenges, support innovation, expand impact

Psychological safety assessment uses Edmondson's 7-point scale. Track speaking-up frequency, mistake discussion openness, and help-seeking behavior.

Example: Sprint Planning with Forecast

Given 6 sprints of velocity data [18, 22, 20, 19, 23, 21]:

bash
$ python scripts/velocity_analyzer.py sprint_data.json --format text

Velocity Analysis
=================
Average: 20.5 points
Trend: Stable (slope: +0.3/sprint)
Volatility: Low (CV: 8.7%)

Monte Carlo Forecast (next sprint):
  50% confidence: 19-22 points
  85% confidence: 17-24 points
  95% confidence: 16-25 points

Recommendation: Commit to 19-20 points for reliable delivery.
Use 22 points only if team has no PTO and no known blockers.

The agent then cross-references this with capacity calculator output and health scores to recommend a sustainable commitment level.

Input Schema

All tools accept JSON following assets/sample_sprint_data.json:

json
{
  "team_info": { "name": "string", "size": "number", "scrum_master": "string" },
  "sprints": [
    {
      "sprint_number": "number",
      "planned_points": "number",
      "completed_points": "number",
      "stories": [],
      "blockers": [],
      "ceremonies": {}
    }
  ],
  "retrospectives": [
    {
      "sprint_number": "number",
      "went_well": ["string"],
      "to_improve": ["string"],
      "action_items": []
    }
  ]
}

Tools

Tool Purpose Command
velocity_analyzer.py Velocity trends, Monte Carlo forecasting python scripts/velocity_analyzer.py sprint_data.json --format text
sprint_health_scorer.py 6-dimension health scoring python scripts/sprint_health_scorer.py sprint_data.json --format text
retrospective_analyzer.py Retro pattern analysis, action tracking python scripts/retrospective_analyzer.py sprint_data.json --format text
sprint_capacity_calculator.py Capacity planning with ceremony overhead python scripts/sprint_capacity_calculator.py team_data.json --format text

Templates & Assets

  • assets/sprint_report_template.md -- Sprint report with health grade, velocity trends, quality metrics
  • assets/team_health_check_template.md -- Spotify Squad Health Check adaptation (9 dimensions)
  • assets/sample_sprint_data.json -- 6-sprint dataset for testing tools
  • assets/expected_output.json -- Reference outputs (velocity avg 20.2, health 78.3/100)
  • assets/user_story_template.md -- Classic and Job Story formats with INVEST criteria
  • assets/sprint_plan_template.md -- Sprint plan with capacity, commitments, risks

References

  • references/velocity-forecasting-guide.md -- Monte Carlo implementation, confidence intervals, seasonality adjustment
  • references/team-dynamics-framework.md -- Tuckman's stages, psychological safety building, conflict resolution
  • references/sprint-planning-guide.md -- Pre-planning checklist, SMART goals, capacity methodology

Key Metrics & Targets

Metric Target Measurement
Health Score >80/100 Sprint-level, 6 dimensions
Velocity Predictability (CV) <20% Rolling 6-sprint window
Commitment Reliability >85% Sprint goals achieved / attempted
Scope Stability <15% change Mid-sprint scope changes
Blocker Resolution <3 days avg Time from raised to resolved
Action Item Completion >70% Retro items done by next retro
Ceremony Engagement >90% Attendance + participation quality
Psychological Safety >4.0/5.0 Monthly pulse survey

Troubleshooting

Symptom Likely Cause Resolution
Velocity drops for 2+ sprints without team change Hidden scope creep, unclear definition of done, or tech debt accumulation Run sprint_health_scorer.py to check scope stability score; tighten DoD and refinement process
CV exceeds 30% despite stable team Inconsistent story sizing, mid-sprint scope injection, or unplanned absences Analyze anomalies via velocity_analyzer.py; introduce reference stories for estimation calibration
Action item completion rate below 50% Too many action items per retro, no owners assigned, or unrealistic scope Cap new items at 2-3 per retro based on retrospective_analyzer.py historical completion data
Health score below 60 but team feels productive Dimension weights may not match team context, or ceremony data is incomplete Review dimension weights in HEALTH_DIMENSIONS config; ensure ceremony attendance data is populated
Monte Carlo forecast has wide confidence intervals Insufficient historical data or high velocity volatility Accumulate 6+ sprints of data; address root causes of volatility before relying on forecasts
Sprint capacity calculator overestimates Focus factor set too high or ceremony overhead not calibrated Adjust focus factor from 0.85 to 0.80; verify ceremony durations match actual team practices
Retrospective themes keep recurring across sprints Systemic issues not addressed at root cause, or action items too superficial Use retrospective_analyzer.py persistent issue detection; escalate recurring themes to management

Success Criteria

  • Sprint health score consistently above 80/100 across 6-dimension assessment
  • Velocity coefficient of variation (CV) maintained below 20% over rolling 6-sprint window
  • Sprint commitment reliability exceeds 85% (completed vs. planned points)
  • Action item completion rate from retrospectives exceeds 70% by next retro
  • Blocker average resolution time under 3 working days
  • Team maturity advances at least one Tuckman stage within 3-6 months of coaching
  • Psychological safety score on Edmondson scale exceeds 4.0/5.0

Scope & Limitations

In Scope:

  • Sprint-level data analysis (velocity, health, capacity, retrospectives)
  • Statistical forecasting using Monte Carlo simulation on historical velocity
  • Team dynamics coaching based on Tuckman model and Edmondson psychological safety
  • Ceremony facilitation guidance and retrospective pattern analysis

Out of Scope:

  • Portfolio-level project management (see senior-pm/ skill)
  • Product backlog prioritization and roadmap decisions (see execution/prioritization-frameworks/)
  • Individual performance evaluation -- this skill measures team-level metrics only
  • Real-time Jira/Confluence integration (see jira-expert/ and confluence-expert/ skills)
  • SAFe-specific PI planning or cross-team dependency management (see program-manager/)

Important Caveats:

  • The Scrum Guide 2020 removed the term "velocity" as a required artifact; this skill treats velocity as a diagnostic tool, not a performance measure. Flow metrics (cycle time, throughput, WIP) complement velocity for delivery forecasting. Use both -- velocity for sprint planning, flow metrics for process improvement.
  • Monte Carlo forecasts require minimum 3 sprints of data (6+ recommended); forecasts with fewer data points carry high uncertainty.
  • Health scores are heuristics, not absolute measures. Calibrate dimension weights to your team context.

Integration Points

Integration Direction Description
senior-pm/ Feeds into Sprint velocity and health data informs portfolio-level health dashboards and executive reporting
sprint-retrospective/ Complements Git-based velocity analysis complements this skill's JSON-based sprint data analysis
execution/brainstorm-okrs/ Feeds into Sprint capacity data helps set realistic OKR targets for the quarter
execution/prioritization-frameworks/ Receives from Prioritized backlog items feed into sprint planning commitment decisions
discovery/pre-mortem/ Receives from Launch-blocking tigers may surface as sprint blockers requiring SM intervention
Jira via Atlassian MCP Bidirectional Pull sprint data for analysis; push health reports to Confluence dashboards
CI/CD Pipelines Receives from Deployment frequency and lead time data supplement velocity metrics

Tool Reference

velocity_analyzer.py

Analyzes sprint velocity data with trend detection, Monte Carlo forecasting, and anomaly identification.

Flag Type Default Description
data_file positional (required) Path to JSON file containing sprint data
--format choice text Output format: text or json

sprint_health_scorer.py

Scores sprint health across 6 weighted dimensions with composite grading and recommendations.

Flag Type Default Description
data_file positional (required) Path to JSON file containing sprint health data
--format choice text Output format: text or json

retrospective_analyzer.py

Processes retrospective data to track action item completion, identify recurring themes, and assess team maturity.

Flag Type Default Description
data_file positional (required) Path to JSON file containing retrospective data
--format choice text Output format: text or json

sprint_capacity_calculator.py

Calculates sprint capacity accounting for ceremony overhead, PTO, allocation percentages, and focus factor.

Flag Type Default Description
data_file positional (optional) Path to JSON file containing team capacity data
--format choice text Output format: text or json
--demo flag off Run with built-in sample data

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