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Agent skill

Bmad Validate Prd

by delorenj in delorenj/mcp-server-trello

Validate a PRD against standards. An agent skill from delorenj/mcp-server-trello.

MITAuto-check passedProduct & Project Management

Install Bmad Validate Prd

skills CLI
$ npx skills add delorenj/mcp-server-trello --skill bmad-validate-prd -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install delorenj/mcp-server-trello bmad-validate-prd --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/delorenj/mcp-server-trello.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/bmad-validate-prd .claude/skills/bmad-validate-prd && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
bmad-validate-prd
GitHub stars
445
Used in
4 other repos
Token cost
~1.2k tokens
SKILL.md length
584 words
Files
19
Skills in repo
64
Repo updated
First seen
Licence
MIT

At a glance

Validate a PRD against standards. An agent skill from delorenj/mcp-server-trello.

  • Works in 6 steps: Resolve the Workflow Block → Execute Prepend Steps → Load Persistent Facts → …
  • The user says validate this PRD
  • SKILL.md covers Conventions, WORKFLOW ARCHITECTURE, On Activation and Paths, plus 1 more section
  • Calls python3

What it does

Bmad Validate Prd is an agent skill from delorenj/mcp-server-trello. Validate a PRD against standards. Use when the user says "validate this PRD" or "run PRD validation"

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 20 other files (for example `data/prd-purpose.md`, `steps-v/step-v-01-discovery.md` and `steps-v/step-v-02-format-detection.md`).

It sits in Product & Project Management, covering PRD writing. The repository describes itself as: A Model Context Protocol (MCP) server that provides tools for interacting with Trello boards. The licence is MIT.

When your agent uses it

  • The user says validate this PRD
  • Run PRD validation

Example prompts

  • “validate this PRD”
  • “run PRD validation”
  • “/bmad-validate-prd”

Requirements

  • Python 3

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Resolve the Workflow Block
  2. Execute Prepend Steps
  3. Load Persistent Facts
  4. Load Config
  5. Greet the User
  6. Execute Append Steps

What it can do on your machine

Read from SKILL.md and the folder at commit 737292f. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Bmad Validate Prd loads about 1.2k tokens when it runs. Until then it costs about 30 tokens; SKILL.md has 584 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~30
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from delorenj/mcp-server-trello at commit 737292f, republished under its MIT licence (© delorenj). 584 words, ~1,192 tokens.

Download SKILL.mdSave it as .claude/skills/bmad-validate-prd/SKILL.md (or your agent's skills folder). This skill also uses 18 other files; get the full folder from GitHub.
name
bmad-validate-prd
description
Validate a PRD against standards. Use when the user says "validate this PRD" or "run PRD validation"

PRD Validate Workflow

Goal: Validate existing PRDs against BMAD standards through comprehensive review.

Your Role: Validation Architect and Quality Assurance Specialist.

You will continue to operate with your given name, identity, and communication_style, merged with the details of this role description.

Conventions

  • Bare paths (e.g. steps-v/step-v-01-discovery.md) resolve from the skill root.
  • {skill-root} resolves to this skill's installed directory (where customize.toml lives).
  • {project-root}-prefixed paths resolve from the project working directory.
  • {skill-name} resolves to the skill directory's basename.

WORKFLOW ARCHITECTURE

This uses step-file architecture for disciplined execution:

Core Principles
  • Micro-file Design: Each step is a self-contained instruction file that is a part of an overall workflow that must be followed exactly
  • Just-In-Time Loading: Only the current step file is in memory - never load future step files until told to do so
  • Sequential Enforcement: Sequence within the step files must be completed in order, no skipping or optimization allowed
  • State Tracking: Document progress in output file frontmatter using stepsCompleted array when a workflow produces a document
  • Append-Only Building: Build documents by appending content as directed to the output file
Step Processing Rules
  1. READ COMPLETELY: Always read the entire step file before taking any action
  2. FOLLOW SEQUENCE: Execute all numbered sections in order, never deviate
  3. WAIT FOR INPUT: If a menu is presented, halt and wait for user selection
  4. CHECK CONTINUATION: If the step has a menu with Continue as an option, only proceed to next step when user selects 'C' (Continue)
  5. SAVE STATE: Update stepsCompleted in frontmatter before loading next step
  6. LOAD NEXT: When directed, read fully and follow the next step file
Critical Rules (NO EXCEPTIONS)
  • 🛑 NEVER load multiple step files simultaneously
  • 📖 ALWAYS read entire step file before execution
  • 🚫 NEVER skip steps or optimize the sequence
  • 💾 ALWAYS update frontmatter of output files when writing the final output for a specific step
  • 🎯 ALWAYS follow the exact instructions in the step file
  • ⏸️ ALWAYS halt at menus and wait for user input
  • 📋 NEVER create mental todo lists from future steps

On Activation

Show full SKILL.md (251 more words)Show less
Step 1: Resolve the Workflow Block

Run: python3 {project-root}/_bmad/scripts/resolve_customization.py --skill {skill-root} --key workflow

If the script fails, resolve the workflow block yourself by reading these three files in base → team → user order and applying the same structural merge rules as the resolver:

  1. {skill-root}/customize.toml — defaults
  2. {project-root}/_bmad/custom/{skill-name}.toml — team overrides
  3. {project-root}/_bmad/custom/{skill-name}.user.toml — personal overrides

Any missing file is skipped. Scalars override, tables deep-merge, arrays of tables keyed by code or id replace matching entries and append new entries, and all other arrays append.

Step 2: Execute Prepend Steps

Execute each entry in {workflow.activation_steps_prepend} in order before proceeding.

Step 3: Load Persistent Facts

Treat every entry in {workflow.persistent_facts} as foundational context you carry for the rest of the workflow run. Entries prefixed file: are paths or globs under {project-root} — load the referenced contents as facts. All other entries are facts verbatim.

Step 4: Load Config

Load config from {project-root}/_bmad/bmm/config.yaml and resolve:

  • Use {user_name} for greeting
  • Use {communication_language} for all communications
  • Use {document_output_language} for output documents
  • Use {planning_artifacts} for output location and artifact scanning
  • Use {project_knowledge} for additional context scanning
Step 5: Greet the User

Greet {user_name}, speaking in {communication_language}.

Step 6: Execute Append Steps

Execute each entry in {workflow.activation_steps_append} in order.

Activation is complete. Begin the workflow below.

Paths

  • validateWorkflow = ./steps-v/step-v-01-discovery.md

Execution

✅ YOU MUST ALWAYS SPEAK OUTPUT In your Agent communication style with the configured {communication_language}. ✅ YOU MUST ALWAYS WRITE all artifact and document content in {document_output_language}.

Validate Mode: Validating an existing PRD against BMAD standards.

Then read fully and follow: {validateWorkflow} (steps-v/step-v-01-discovery.md)

© delorenj, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 18 other files in .agents/skills/bmad-validate-prd of delorenj/mcp-server-trello.

  • SKILL.md
  • customize.toml
  • data/domain-complexity.csv
  • data/prd-purpose.md
  • data/project-types.csv
  • steps-v/step-v-01-discovery.md
  • steps-v/step-v-02-format-detection.md
  • steps-v/step-v-02b-parity-check.md
  • steps-v/step-v-03-density-validation.md
  • steps-v/step-v-04-brief-coverage-validation.md
  • steps-v/step-v-05-measurability-validation.md
  • steps-v/step-v-06-traceability-validation.md
  • steps-v/step-v-07-implementation-leakage-validation.md
  • steps-v/step-v-08-domain-compliance-validation.md
  • steps-v/step-v-09-project-type-validation.md
  • steps-v/step-v-10-smart-validation.md
  • steps-v/step-v-11-holistic-quality-validation.md
  • steps-v/step-v-12-completeness-validation.md
  • steps-v/step-v-13-report-complete.md

Open the folder on GitHubat commit 737292f

Used in 4 other repositories

We found 5 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 4 other GitHub owners. This page covers the copy in delorenj/mcp-server-trello, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Bmad Validate Prd next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Bmad Validate Prd compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Bmad Validate Prd this skilldelorenj/mcp-server-trello4454 repos~1.2kAutomated safety check: PassMIT
CCPM Project Managementautomazeio/ccpm8.4k—~1.1kAutomated safety check: PassMIT
Ralph Tui Create Beadssubsy/ralph-tui2.5k1 repos~2.6kAutomated safety check: PassMIT
Trellis Brainstormanjiemo/SunnyBeach1787 repos~4kAutomated safety check: PassApache-2.0
Adversarial Speczscole/adversarial-spec5561 repos~8.3kAutomated safety check: NotesMIT
Ralph Tui Create Beads Rustsubsy/ralph-tui2.5k1 repos~2.8kAutomated safety check: PassMIT

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Categories

Questions about Bmad Validate Prd

What does Bmad Validate Prd do?

Validate a PRD against standards. An agent skill from delorenj/mcp-server-trello. Bmad Validate Prd is an agent skill from delorenj/mcp-server-trello. Validate a PRD against standards.

When should I use Bmad Validate Prd?

Bmad Validate Prd fits situations like: the user says validate this PRD; run PRD validation.

How do I install Bmad Validate Prd in Claude Code?

Run `npx skills add delorenj/mcp-server-trello --skill bmad-validate-prd -a claude-code`. Or copy the skill folder (.agents/skills/bmad-validate-prd in delorenj/mcp-server-trello) into .claude/skills/bmad-validate-prd in your project. Claude Code loads it when a task matches its description.

How do I install Bmad Validate Prd in Codex?

Run `npx skills add delorenj/mcp-server-trello --skill bmad-validate-prd -a codex`. Or copy the skill folder (.agents/skills/bmad-validate-prd in delorenj/mcp-server-trello) into .agents/skills/bmad-validate-prd in your project. Codex loads it when a task matches its description.

Can I use Bmad Validate Prd in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add delorenj/mcp-server-trello --skill bmad-validate-prd -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/bmad-validate-prd, .gemini/skills/bmad-validate-prd, .github/skills/bmad-validate-prd and .opencode/skills/bmad-validate-prd in your project.

What does Bmad Validate Prd need to run?

Going by SKILL.md and its folder, Bmad Validate Prd needs the command-line tools its instructions call (python3). Our summary lists: Python 3.

Does Bmad Validate Prd access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Bmad Validate Prd safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Bmad Validate Prd use?

Bmad Validate Prd is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Bmad Validate Prd use?

About 1.2k tokens (SKILL.md is roughly 4.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Bmad Validate Prd?

Skills that share tags, products or a category with Bmad Validate Prd: CCPM Project Management (automazeio/ccpm, 8.4k stars), Ralph Tui Create Beads (subsy/ralph-tui, 2.5k stars), Trellis Brainstorm (anjiemo/SunnyBeach, 178 stars) and Adversarial Spec (zscole/adversarial-spec, 556 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Bmad Validate Prd?

delorenj (a GitHub user) maintains it in delorenj/mcp-server-trello, which has 445 GitHub stars. The repository holds 64 skills in this directory. The repository was last updated on September 23, 2026.

Source: delorenj/mcp-server-trello on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.