Introduction

People responsible for creating construction schedules usually get stuck on three things: writing out activity logic relationships by hand, relying on calendars to find the critical path, and being unable to open or read Gantt charts from P6-exported XER files. This Skill consolidates these three tasks into a single call chain—input activities and logic relationships, or feed it an XER file directly, and it outputs a calculated network diagram, critical path, and Gantt chart.

Described below is the community skill “Construction Schedule Planning” on SkillHub, identifier @indiv-qf/qf-construction-schedule, current version 2.6.0.

What is this

Positioning in one sentence: A construction schedule planning tool covering CPM calculation, Activity-on-Arrow (AOA) network diagram generation, Gantt chart generation, and Primavera P6 XER file generation and parsing.

  • Publisher: user_eb2234bc, Source: community, Category: professional.
  • Billing: Pay-per-use, ¥0.20.
  • API Key Required: No (tag requires_api_key=false).
  • As of the time of retrieval, SkillHub rating 100,000, 1,236 downloads, 0 installations.

The difference between this and “hand-drawing Gantt charts in Excel” is: once logic relationships and durations are determined, ES/EF/LS/LF, Total Float, and Free Float are calculated by CPM, and the critical path is automatically highlighted in red, eliminating the need for manual verification. The difference between this and “P6 Desktop” is: no client installation is required, and XER files can be parsed back into Gantt charts/network diagrams.

Core Functions

Capabilities listed according to the official description, divided into four sections.

  1. CPM (Critical Path Method) Calculation: Outputs ES, EF, LS, LF, Total Float, and Free Float. This is the calculation basis for subsequent graph generation and critical path determination.
  2. Activity-on-Arrow (AOA) Network Diagram Generation: Includes handling for dummy activities, with the critical path highlighted in red.
  3. Gantt Chart Generation: Provides two formats: an Excel table format and a PNG image version, facilitating pasting into plans or briefing materials.
  4. Primavera P6 XER File Generation and Parsing: The direction is bidirectional; it can generate XER files from plans and parse uploaded XER files into Gantt charts or network diagrams.

There are two trigger methods: first, the user directly submits a request in natural language; second, uploading a P6-exported XER file.

Installation and Activation

The official page only provides the identifier, version, source, and billing method; there are no publicly available reproducible installation commands or SKILL.md paths. This article does not fabricate unverified installation steps.

The confirmed prerequisites for activation are as follows:

Identifier: @indiv-qf/qf-construction-schedule
Version: 2.6.0
Source: community
Category: professional
API Key: Not required
Billing: Per use, ¥0.20

In clients that support loading skills from SkillHub, you can simply locate it using the identifier above. If your client uses the local SKILL.md method, you need to confirm whether this community skill provides the corresponding package; this information was not disclosed on the capture page.

Typical Usage

The following trigger words are taken from the official description and can be used directly to invoke the skill.

Natural language triggers:

Help me create a master schedule, with an AOA network diagram and a Gantt chart, and mark the critical path.

Here are the durations and logic relationships for this batch of activities, calculate the Total Float using CPM.

File parsing trigger:

Upload XER, parse it into a Gantt chart and a network diagram.

The first one corresponds to Network Diagram + Gantt Chart + Critical Path highlighting; the second corresponds to CPM time parameter calculation; the third corresponds to XER file parsing.

Handling the results: The Gantt chart comes in two formats, Excel and PNG. PNG is suitable for direct pasting into documents, while Excel is suitable for modifying logic relationships and recalculating later.

Applicable Scenarios and Notes

Suitable for: Construction master schedules, unit project schedules, plans or briefing materials requiring network diagrams and Gantt charts, and converting existing P6 plans into more readable graphics.

Not suitable for: Non-schedule project management consulting, construction cost estimation, or construction acceptance documentation preparation. These belong to the scope of other skills.

For scenarios like scheduling backwards from maintenance, rectification, or punch list closures, the official description explicitly points to another skill, repair-schedule-plan. Do not attempt to force these tasks onto this skill.

Note two points: First, XER parsing relies on the original structure exported by P6; the behavior of export files not generated by P6 is not described in the official brief. Second, the ratings and download counts are from a page snapshot at the time of capture; the numbers will change over time. Use them as a reference for scale, not as stable indicators.

Conclusion

The value of this skill lies in merging the four steps of “calculating float + drawing network diagrams + generating Gantt charts + reading XER” into a single call, saving the effort of manual deduction and format conversion. Official URL: https://api.skillhub.cn/indiv-qf/qf-construction-schedule, SkillHub Page: https://www.skillhub.cn/skills/indiv-qf/qf-construction-schedule.