Lexware-MCP-Server: Instructions file for Codex

AGENTS.md

Lexware-MCP-Server AGENTS.md is an instructions file for Codex, OpenCode from marselsel/Lexware-MCP-Server. It costs 163 tokens per session, scanned A, original, MIT.

Repository instructions for an open-source MCP server that connects AI tools to the Lexware Office accounting API. They define code boundaries, capability levels, testing commands, and safety rules for legally binding actions.

In plain words
What is it for?
Use them when planning or changing Lexware API tools, configuration, or registrations. They guide draft-versus-final actions and specify the build and test commands.
Why use it?
They keep accounting logic independent from the web framework and prevent irreversible actions from being hidden inside ordinary draft operations. They also require type checking, tests, and protection of secrets and personal data.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is marselsel/Lexware-MCP-Server's own configuration. It tells Codex and OpenCode how to work on Lexware-MCP-Server itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything Lexware-MCP-Server configures →

Reuse

Borrowing it

Nothing to install: this file belongs to marselsel/Lexware-MCP-Server. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/marselsel/Lexware-MCP-Server/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/marselsel/Lexware-MCP-Server

Made for: Codex, OpenCode.

Wrote 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.

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README.md
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Your own site
<a href="https://agentmods.dev/instructions/marselsel/lexware-mcp-server/agents-md"><img src="https://agentmods.dev/badge/instructions/marselsel/lexware-mcp-server/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.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/marselsel/lexware-mcp-server/agents-md"><img src="https://agentmods.dev/badge/instructions/marselsel/lexware-mcp-server/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 163 This file is loaded in full into every session.
When invoked 163 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00163 $0.00163
Opus 5.5 $0.00065 $0.00065
Sonnet 5.5 $0.00033 $0.00033
Haiku 4.5 $0.00016 $0.00016

Measured 2mo ago against content hash 56ffeff80a71, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

Lexware-MCP-Server 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.

AGENTS.md · 11 lines

What it actually says

This is an open-source MCP server for the Lexware Office API, built with the Skybridge framework. When planning or updating the codebase, use the skybridge skill.

Key conventions:

  • Keep all Lexware logic (src/lexware, src/config.ts, src/tools) independent of Skybridge.
  • Tools are gated by capability tiers in src/config.ts and registered conditionally in src/tools/index.ts (read = always; drafts/finalize = env-gated).
  • Finalizing is irreversible: any legally-binding write must be a separate, confirmation-gated finalize-tier tool — never a flag on a draft tool.
  • npm run build typechecks; npm test runs vitest. Never log secrets or PII.
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.

  1. 2mo ago First seen · 11 lines · 163 tokens per session scan A 56ffeff80a71

Subscribe to this mod's changes

Lexware-MCP-Server AGENTS.md is an instructions file published in the GitHub repository marselsel/Lexware-MCP-Server (43 stars, last pushed 5d ago), licensed MIT. It adds 163 tokens to every session, about $0.0007 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.

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