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build-task-graph

Productivity
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Build task dependency graph YAML from interface and pseudocode

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How to use this skill

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  2. Copy the prompt below and paste it into your agent.
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Prompt to paste
I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/build-task-graph/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/build-task-graph/. Do not write files or run scripts until I approve.

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Build Task Graph

Create the task dependency graph from interface and pseudocode documents.

When Invoked

After rough-draft-skeleton completes, before rough-draft-handoff.

Process

Step 1: Read Interface and Pseudocode Documents

Read all interface-item-N.md and pseudocode-item-N.md documents:

Tool: mcp__plugin_mermaid-collab_mermaid__list_documents
Args: { "project": "<cwd>", "session": "<session>" }

Filter for interface-* and pseudocode-* documents and read each.

Step 2: Extract File Changes

For each item's interface document:

  1. Find "File Structure" section
  2. Extract all file paths (new and modified)
  3. Note which files depend on others (imports, references)

Step 3: Build Task List

For each file:

  1. Create task ID from file path (e.g., src/auth/service.ts → auth-service)
  2. Set files array
  3. Generate test file paths:
    • {dir}/{name}.test{ext}
    • {dir}/tests/{name}.test{ext}
  4. Extract description from interface doc
  5. Analyze dependencies:
    • If file imports from another file, add dependency
    • If pseudocode mentions "after X", add dependency

Step 4: Identify Parallel Tasks

Mark tasks as parallel: true if:

  • No dependencies
  • Or all dependencies are from previous waves

Step 5: Calculate Execution Waves

Group tasks by wave:

  • Wave 1: Tasks with no dependencies
  • Wave N: Tasks depending only on waves 1 to N-1

Step 6: Check File Conflicts

Identify tasks that modify the same file:

  • Warn about conflicts
  • Suggest ordering to avoid merge issues

Step 7: Create task-graph.md

Tool: mcp__plugin_mermaid-collab_mermaid__create_document
Args: {
  "project": "<cwd>",
  "session": "<session>",
  "name": "task-graph",
  "content": "<task graph content>"
}

Output Format

# Task Dependency Graph

## YAML Task Graph

```yaml
tasks:
  - id: task-id
    files: [path/to/file.ts]
    tests: [path/to/file.test.ts]
    description: What this task implements
    parallel: true
    depends-on: [other-task-id]

Execution Waves

Wave 1 (no dependencies):

  • task-1
  • task-2

Wave 2 (depends on Wave 1):

  • task-3

File Conflict Analysis

[Note any files modified by multiple tasks]

Summary

  • Total tasks: N
  • Total waves: M
  • Max parallelism: P

## Completion

At the end of this skill's work, call complete_skill:

Tool: mcp__plugin_mermaid-collab_mermaid__complete_skill Args: { "project": "", "session": "", "skill": "build-task-graph" }


**Handle response:**
- If `action == "clear"`: Invoke skill: collab-clear
- If `next_skill` is not null: Invoke that skill
- If `next_skill` is null: Workflow complete