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Field Report

  • 5 repo stars
  • Updated July 9, 2026
  • nicholls-inc/claude-code-marketplace

Generate structured performance reports on plugins, skills, and agents by analyzing Claude Code session conversations.

About

field-report analyzes Claude Code session conversations to produce structured performance reports on plugins, skills, and agents. A developer uses it to measure how their tooling actually performs in real sessions. It turns raw session logs into an evaluation of what is working.

  • Structured performance reports
  • Analyzes session conversations
  • Covers plugins, skills, agents

Field Report by the numbers

  • Data as of Jul 25, 2026 (Skillselion catalog sync)
/plugin marketplace add nicholls-inc/claude-code-marketplace
/plugin install field-report@nicholls

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repo stars5
Last updatedJuly 9, 2026
Repositorynicholls-inc/claude-code-marketplace

What it does

Generate structured performance reports on plugins, skills, and agents by analyzing Claude Code session conversations.

README.md

field-report — Claude Code Plugin

Generate structured performance reports on plugins, skills, and agents by analysing Claude Code session conversations. This plugin produces evidence-based narrative reports with actionable recommendations for artifact developers.

Installation

Point Claude Code at this plugin directory or install from the marketplace:

claude plugin install field-report@nicholls

Usage

/field-report

Generate a structured field report for one subject using one Claude Code session as evidence.

Usage: /field-report <session-id or description> <subject-name> [path/to/definition]

Examples:

  • /field-report ses_abc123 reason — Explicit session ID and subject
  • /field-report "last session" crosscheck/reason — Natural language session selector
  • /field-report "today's session" byfuglien crosscheck/agents/byfuglien.md — With explicit definition path

Analysis Dimensions

The report evaluates the subject across six key dimensions:

  1. Task Completion: Did the subject help complete the user goal?
  2. Instruction Adherence: How closely did execution match subject instructions?
  3. Tool Usage Patterns: Evaluation of tool selection and execution behavior.
  4. Conversation Efficiency: Measurement of progress quality and momentum.
  5. Error Handling: Inspection of observable failures and recoveries.
  6. Input Clarity: Evaluation of initial request clarity and clarification needs.

Report Output

Reports are saved to the field-reports/ directory in your working directory. Filenames follow the convention {subject-slug}--{session-id-short}--{YYYY-MM-DD}.md. Each report includes a header metadata block, detailed analysis sections, lessons learned, and a summary.

Sanitisation

Reports are privacy-safe. The plugin applies explicit redaction rules:

  • STRIP: Email addresses, API keys, secrets, environment variable values, and personal names.
  • KEEP: File paths, tool names, error messages, and code patterns.

Limitations

  • Session discovery is heuristic. Explicit session IDs are more reliable than natural language descriptions.
  • Each report covers exactly one session and one subject.
  • Tool usage analysis depends on the session data format and availability of tool-call traces.
  • No baseline comparisons or historical trending across multiple reports.
  • Sessions must have at least 10 messages involving the subject to ensure sufficient evidence density.

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