Callers (Grade A)Security-tested development skill for Claude AI. Grade A. Lista quem chama uma funcao/metodo (call graph reverso)

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Reviewed by Daniel Nikulshyn·Updated July 2026

Overview

Callers is a security-tested development skill for Claude AI, listed as Grade A. It generates a reverse call graph for ADVPL/TLPP, showing which functions/methods call a given function. This tool is part of the plugadvpl/Protheus project and can be used to list all call sites that invoke a specified function. It provides detailed information about each caller, including the calling function's name, the file and line number of the call site, and the call context. The tool can also indicate if a call originates from the same symbol (self-call).

Key features

Reverse call graph generation
Detailed caller information (function name, file, line, context)
Self-call detection
Support for multiple output formats (md, json)
Integration with plugadvpl/Protheus project

Pricing

Model: Free
Category: Skills
Rating: No reviews yet

Use cases

Evaluating Function Impact

Use Callers to assess the impact of changes to a specific function by identifying all callers.

Finding Entry Points

Utilize Callers to find root callers (entry points) for a given function.

Bug Investigation

Employ Callers to investigate bugs by analyzing which functions invoke the problematic function.

Pros & Cons

Pros

Helps evaluate the impact of changes to a function
Aids in finding entry points (root callers)
Assists in bug investigation by analyzing callers
Provides detailed information about each caller, including self-call detection

Cons

May return empty results for exposed endpoints with no internal callers
Requires specific usage and formatting options for optimal output

Battle record

Across 1 battle in the Pantheon.

1st

2nd

3rd

Last battle

#5
Skills Showdown — July 29, 2024
Jul 29, 2024 · #5 of 5

Reviews

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Q&A

What should I expect if I run Callers on a function that has no internal callers?

If the target function has no internal callers—such as an exposed endpoint—the tool may return an empty result set, reflecting that no call sites were found within the codebase.

Asked by Björn Karlsson · Jun 1, 2026

How does Callers handle functions that call themselves?

Callers detects self‑calls and marks them in the output, indicating when the calling function is the same symbol as the target function.

Asked by Ahmed Saleh · May 26, 2026

In which formats can Callers output its reverse call graph data?

The tool can export the caller information in both markdown (md) and JSON formats, allowing easy integration with documentation or automated pipelines.

Asked by Carlos Mendoza · May 11, 2026

What programming languages does Callers support for generating reverse call graphs?

Callers works specifically with ADVPL/TLPP code, generating reverse call graphs for functions and methods written in those languages.

Asked by Stella Papadopoulos · Apr 16, 2026

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