ecrf-designer

Design clinical trial CRFs with proper validation rules

Install with Tessl CLI

npx tessl i github:aipoch/medical-research-skills --skill ecrf-designer

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Review — 31%

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Learn more

Validation — 10 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

100%

54%

Demographics CRF for Phase II Oncology Trial

Script-based CRF generation

Criteria

Without context

With context

Script invoked

100%

Template argument used

100%

Output argument used

100%

JSON output produced

100%

Standard fields present

100%

ECOG field type correct

100%

ECOG validation range

100%

Diagnosis field type correct

100%

Diagnosis max_length validation

100%

No undefined field types

100%

No external calls

100%

Without context: $0.1794 · 56s · 11 turns · 16 in / 3,468 out tokens

With context: $0.4729 · 1m 34s · 26 turns · 2,125 in / 4,970 out tokens

100%

26%

Adverse Event CRF Design for Regulatory Submission

CDISC SDTM compliance and complete CRF documentation

Criteria

Without context

With context

CDISC domain specified

100%

Visit schedule documented

100%

Data dictionary produced

100%

Skip logic documented

100%

Validation rules file

100%

Severity field type

100%

Severity options defined

100%

Date field type

100%

Yes/No field type

100%

ae_crf JSON valid

100%

No undefined field types

100%

No external packages

100%

Without context: $0.6953 · 3m 49s · 15 turns · 61 in / 18,201 out tokens

With context: $1.0148 · 4m 15s · 34 turns · 41 in / 17,168 out tokens

92%

40%

Efficacy Assessment CRF for Cardiovascular Trial

Custom field types and validation rules

Criteria

Without context

With context

Script used for generation

100%

Efficacy template argument

Systolic BP field type

100%

Systolic BP min/max validation

100%

Heart rate field type

100%

Heart rate min/max validation

100%

Response field type

100%

Response options present

100%

Calculated field type

100%

Formula in calculated field

100%

Data dictionary produced

100%

No undefined field types

100%

JSON output valid

100%

Without context: $0.3171 · 1m 36s · 13 turns · 16 in / 6,122 out tokens

With context: $0.5507 · 2m 13s · 21 turns · 2,058 in / 8,125 out tokens

Evaluated: 1 day ago
Agent: Claude Code

Table of Contents

Demographics CRF for Phase II Oncology Trial Adverse Event CRF Design for Regulatory Submission Efficacy Assessment CRF for Cardiovascular Trial

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