Skill.md files: teach Claude once, not every chat.

• SKILL.md

---
name: reliable-excel-workbook-creation
description: Use run_shell with cd and heredoc syntax for complex Excel operations when read_file fails on XLSX or execute_code_sandbox fails on multi-step workbook creation
---

• SKILL.md

---
name: reliable-pdf-extraction-ac5f89
description: Extract PDF text content using shell tools or Python libraries when read_file PDF handler fails
---

• SKILL.md

---
name: reliable-pdf-extraction
description: Use shell commands or Python libraries to extract PDF text when read_file PDF handler fails
---

• SKILL.md

---
name: reliable-script-execution
description: Execute Python scripts reliably using file-first approach instead of heredoc
---

• SKILL.md

---
name: reportlab-styles
description: Use reportlab's pre-defined styles from getSampleStyleSheet() correctly
---

• SKILL.md

---
name: research-fallback-robust
description: Handle web research failures with explicit error recognition and domain-specific fallback strategies
---

• SKILL.md

---
name: research-fallback
description: Handle web research failures by pivoting to internal knowledge for content generation
---

• SKILL.md

---
name: resilient-data-gathering
description: Fallback pattern when primary tools fail - embed known data in scripts and persist to JSON for auditability
---

• SKILL.md

---
name: resilient-spreadsheet-workflow
description: Resilient multi-step workflow for spreadsheet processing when execute_code_sandbox fails, using shell_agent exploration, file-based scripts, and verification steps
---

• SKILL.md

---
name: robust-file-creation
description: Fallback to run_shell and write_file when execute_code_sandbox or shell_agent fail on filesystem operations
---

• SKILL.md

---
name: robust-pdf-extraction
description: Multi-method PDF extraction with sequential fallback and OCR for scanned documents
---

• SKILL.md

---
name: robust-pdf-read
description: Reliably extract text from PDFs using pdftotext when standard file reading fails.
---

• SKILL.md

---
name: route-failed-searches-to-shell-agent
description: Delegate web search tasks to shell_agent when direct search_web tool fails, using its retry mechanism and multi-step capabilities for resilient data gathering
---

• SKILL.md

---
name: run-shell-fallback
description: Use run_shell with inline Python as a reliable fallback when execute_code_sandbox or read_file fail
---

• SKILL.md

---
name: run-shell-python-file-io
description: Use run_shell with inline Python for reliable file I/O when execute_code_sandbox cannot access working directory files
---

• SKILL.md

---
name: safe-script-execution
description: Fallback workflow for code execution when automated tools fail, using shell heredoc with verification
---

• SKILL.md

---
name: safe-video-concat-workflow
description: Two-pass video concatenation workflow that avoids encoder compatibility issues by separating concat and audio mixing
---

• SKILL.md

---
name: sandbox-exec-fallback
description: Fallback pattern for executing Python code when execute_code_sandbox fails by writing to file and running via shell
---

• SKILL.md

---
name: sandbox-execution-fallback-238489
description: Fallback pattern for when execute_code_sandbox fails - write script to file and execute directly with run_shell
---

• SKILL.md

---
name: sandbox-execution-fallback-717e65
description: Fallback from execute_code_sandbox to file-based run_shell execution when sandbox fails
---

• SKILL.md

---
name: sandbox-execution-fallback
description: Recover from execute_code_sandbox failures by writing Python scripts to files and executing via run_shell
---

• SKILL.md

---
name: sandbox-failure-recovery
description: Recover from execute_code_sandbox failures by writing code to file and executing via run_shell
---

• SKILL.md

---
name: sandbox-fallback-execution-048d5a
description: Fallback method to execute Python code when execute_code_sandbox fails with e2b errors
---

• SKILL.md

---
name: sandbox-fallback-execution-5eda7b
description: Fallback pattern for executing Python code when sandbox execution fails by writing scripts to disk and running via shell
---