oss-agent-prompts

Reference system prompt and tool schemas for Open Source Agents.

IndexedGPL-3.0

Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/aupowell22-code-oss-agent-prompts

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Reference system prompt and tool schemas for Open Source Agents. Use when imitating, comparing, or analyzing Open Source Agents's prompting style; designing prompts inspired by Open Source Agents; or answering questions about how Open Source Agents is prompted.

Use cases: agent-building

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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codeload.github.com · found in install command

Files it touches

~/.claude/skills/oss-agent-prompts

What's inside

Skill name: oss-agent-prompts
Description: Reference system prompt and tool schemas for Open Source Agents. Use when imitating, comparing, or analyzing Open Source Agents's prompting style; designing prompts inspired by Open Source Agents; or answering questions about how Open Source Agents is prompted.
License: GPL-3.0
Instructions: 25 lines in SKILL.md · view on GitHub

Files (8)

SKILL.md
Prompt.txt · sources/Bolt/
Prompt.txt · sources/Cline/
Prompt.txt · sources/Codex CLI/
openai-codex-cli-system-prompt-20250820.txt · sources/Codex CLI/
google-gemini-cli-system-prompt.txt · sources/Gemini CLI/
Prompt.txt · sources/Lumo/
Prompt.txt · sources/RooCode/

SKILL.md (first lines)

# Open Source Agents

System prompts for open-source coding agents: Cline, Bolt, RooCode, Codex CLI, Gemini CLI, Lumo.

When activated, read the bundled source files below to ground your response
in the actual published prompt text. Do not paraphrase from memory — the
canonical content lives in these files.

## Source files

- `sources/Bolt/Prompt.txt` (21,945 bytes)
- `sources/Cline/Prompt.txt` (47,083 bytes)
- `sources/Codex CLI/Prompt.txt` (4,848 bytes)
- `sources/Codex CLI/openai-codex-cli-system-prompt-20250820.txt` (23,864 bytes)
- `sources/Gemini CLI/google-gemini-cli-system-prompt.txt` (18,976 bytes)
- `sources/Lumo/Prompt.txt` (8,253 bytes)
- `sources/RooCode/Prompt.txt` (43,961 bytes)

## Usage

- Quote or summarise from the files above when answering "how does Open Source Agents prompt its agent?" style questions.
- When emulating Open Source Agents's style, mirror its structure (sections, tool-use rules, refusal patterns) rather than copying verbatim.
- These prompts were collected by the upstream `x1xhlol/system-prompts-and-models-of-ai-tools` repo and may drift from the live product over time.

From aupowell22-code/Claudecode-, GPL-3.0.

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Last commit (this folder): Apr 26, 2026 (6 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License: GPL-3.0
Repository: github.com/aupowell22-code/Claudecode-
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: GitHub github-graphql

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oss-agent-prompts skill. Agent Mart. https://agentmart.dev/skills/aupowell22-code-oss-agent-prompts (last updated 2026-10-24)