Borrowing it
Nothing to install: this file belongs to arr-mcps/komga-mcp. 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/arr-mcps/komga-mcp/main/AGENTS.mdgit clone --depth 1 https://github.com/arr-mcps/komga-mcpWrote 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/arr-mcps/komga-mcp/agents-md)<a href="https://agentmods.dev/instructions/arr-mcps/komga-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/arr-mcps/komga-mcp/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/arr-mcps/komga-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/arr-mcps/komga-mcp/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 | $0.01221 | $0.01221 |
| Opus 5.5 | $0.00488 | $0.00488 |
| Sonnet 5.5 | $0.00244 | $0.00244 |
| Haiku 4.5 | $0.00122 | $0.00122 |
Grade A, and why
komga-mcp 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 — 46 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AGENTS.md — komga-mcp
MCP server exposing Komga's REST API as tools for browsing and managing comic, manga, BD, magazine, and ebook libraries. Uses FastMCP, uv for deps.
Exposed as 8 resource-scoped portmanteau tools, not one tool per endpoint — see "Portmanteau registration" below. A prior version registered all 81 endpoints individually; that blew the MCP context budget (~81 tools × ~250 tokens ≈ 20k tokens just for this one server) and has been retired.
Testing
- Offline suite:
make test(oruv run pytest) - Live integration (needs
KOMGA_URL/KOMGA_API_KEY):make test-integration
Release workflow
Always use the make bump-* targets to bump the version (uv version --bump patch|minor|major), which updates pyproject.toml and uv.lock together. Do NOT edit the version by hand.
- Bump:
make bump-patch(orbump-minor/bump-major) - Commit message is just the version, e.g.
0.1.2— nothing else. - Tag it
v<version>(e.g.v0.1.2). - Push main and the tag:
git push origin main git push origin v<version> - Then sync the project copy:
cd /home/savagecore/Documents/christopfarr/mcp/komga-mcp git fetch origin && git reset --hard origin/main - Deploy to the Proxmox host (root SSH key): pull the repo then reinstall the uv tool:
The host runs it viassh [email protected] -- 'cd /root/komga-mcp && git fetch origin && git reset --hard origin/main' ssh [email protected] -- 'cd /root/komga-mcp && uv tool install --force .'uv tool install→/root/.local/bin/komga-mcp(not from the repo).
Env note
All tools go through Komga's REST API keyed on KOMGA_API_KEY. Keep API keys out of code, logs, and commit messages. Responses are returned without reshaping so an MCP client can use the same information as Komga's own web client. 33 operations carry a "Requires ADMIN" / "Requires the Komga ADMIN role" note in their docstring — this is documentation-only (Komga itself enforces the role via a 403; nothing here checks it). Those notes survive automatically in each group tool's per-operation description since the underlying functions and their docstrings are unchanged by the portmanteau refactor.
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 · 46 lines · 1,221 tokens per session scan A 2f0cb626fde5
komga-mcp AGENTS.md is an instructions file published in the GitHub repository arr-mcps/komga-mcp (0 stars, last pushed 3d ago), licensed MIT. It adds 1,221 tokens to every session, about $0.0049 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 2026-08-31.
komga-mcp AGENTS.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| komga-mcp AGENTS.mdarr-mcps/komga-mcp | Instructions file | 0 | 3d ago | MIT | A | 1,221 | Codex, OpenCode |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 9,719 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | yesterday | MIT | A | 7,461 | Codex, OpenCode |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | yesterday | MIT | A | 4,680 | Codex, OpenCode |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 5,516 | GitHub Copilot |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 3,093 | GitHub Copilot |
| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |