Borrowing it
Nothing to install: this file belongs to wiki3-ai/agent-client-kernel. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/wiki3-ai/agent-client-kernel/main/AGENTS.mdgit clone --depth 1 https://github.com/wiki3-ai/agent-client-kernelWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/wiki3-ai/agent-client-kernel/agents-md)<a href="https://agentmods.dev/instructions/wiki3-ai/agent-client-kernel/agents-md"><img src="https://agentmods.dev/badge/instructions/wiki3-ai/agent-client-kernel/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/wiki3-ai/agent-client-kernel/agents-md"><img src="https://agentmods.dev/badge/instructions/wiki3-ai/agent-client-kernel/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00680 | $0.00680 |
| Opus 5.5 | $0.00272 | $0.00272 |
| Sonnet 5.5 | $0.00136 | $0.00136 |
| Haiku 4.5 | $0.00068 | $0.00068 |
Grade A, and why
agent-client-kernel AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Repository Guidelines
Project Structure
agent-client-kernel/
├── agent_client_kernel/ # Core kernel implementation
│ ├── __init__.py
│ ├── __main__.py # Entry point (kernel installation)
│ ├── kernel.py # Main ACPKernel class
│ └── lmstudio_shim.py # LM Studio integration shim
├── tests/ # Test suite (unit + e2e)
│ ├── conftest.py
│ ├── test_*.py # Unit tests (pytest)
│ └── e2e/ # End-to-end integration tests
├── examples/ # Usage example notebooks
├── docs/ # Documentation and postmortems
├── scripts/ # Build/installation utilities
│ ├── agent-versions.json
│ └── install-acp-agents.sh
├── .devcontainer/ # VS Code devcontainer configs
└── Dockerfile # Container build definition
Build & Development
# Install dependencies (requires Python >= 3.10)
uv sync --locked --extra dev
# Install the kernel for Jupyter
uv run python -m agent_client_kernel install --user
# Run tests
uv run pytest # Unit tests only
ACK_GOLDEN_E2E=1 uv run pytest -m live_e2e # E2E tests
Coding Standards
- Python: Follow PEP 8 style; use type hints where practical
- Tests: Include tests for all new features; prefer pytest fixtures
- Notebooks: Keep cell output clean; use descriptive variable names
- Commit Messages: Use imperative mood ("Add feature", "Fix bug")
Testing Guidelines
- Unit tests: Place in
tests/test_*.py; fast, isolated - E2E tests: Tag with
@pytest.mark.live_e2e; require external services - Coverage: Aim for >80% on new code; run
pytest --cov=agent_client_kernel
Commit & PR Guidelines
- Describe the change: Explain "what" and "why", not "how"
- Link issues: Reference GitHub issues in PR descriptions
- Test results: Include test output or CI status in PR comments
- Documentation: Update README.md or docs/ for user-facing changes
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 86 lines · 680 tokens per session scan A 13cf126bed6c
agent-client-kernel AGENTS.md is an instructions file published in the GitHub repository wiki3-ai/agent-client-kernel (35 stars, last pushed 5mo ago), licensed BSD-3-Clause. It adds 680 tokens to every session, about $0.0027 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
agent-client-kernel AGENTS.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| agent-client-kernel AGENTS.mdwiki3-ai/agent-client-kernel | Instructions file | 35 | 5mo ago | BSD-3-Clause | A | 680 | Codex, OpenCode |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 9,719 | GitHub Copilot |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 5,516 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | today | MIT | A | 7,461 | Codex, OpenCode |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | today | MIT | A | 4,680 | Codex, OpenCode |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 3,093 | GitHub Copilot |
| vscode model-prompts.instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 2,022 | GitHub Copilot |