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toolchain-mcp: Instructions file for Claude Code

CLAUDE.md

toolchain-mcp CLAUDE.md is an instructions file for Claude Code from kodown1k/toolchain-mcp. It costs 1,938 tokens per session, scanned A, original, MIT.

Repository instructions for a Claude Code project that connects an AI assistant to GitLab, Jira, Redmine, Mattermost, and Harbor. They describe the project structure, commands, language rules, and version limits.

In plain words
What is it for?
Use them when developing or maintaining this MCP server, especially when running checks, adding connectors, or working with its supported service versions.
Why use it?
They give the assistant the project-specific rules needed to build, test, and change the code without guessing how it works.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Claude Code.

This is kodown1k/toolchain-mcp's own configuration. It tells Claude Code how to work on toolchain-mcp 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 toolchain-mcp configures →

not rated 0repo 1mo ago A scan 1,938 tokens original MIT
View source ↗ kodown1k/toolchain-mcp
Reuse

Borrowing it

Nothing to install: this file belongs to kodown1k/toolchain-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.

Copy the file
curl -O https://raw.githubusercontent.com/kodown1k/toolchain-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/kodown1k/toolchain-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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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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Per session 1,938 This file is loaded in full into every session.
When invoked 1,938 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 $0.01938 $0.01938
Opus 5 $0.00969 $0.00969
Sonnet 5 $0.00388 $0.00388
Haiku 4.5 $0.00194 $0.00194

Measured 8d ago against content hash cdd8dfd5146d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

toolchain-mcp CLAUDE.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 8d 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.

CLAUDE.md · 118 lines

How it starts

The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Czym jest ten projekt

MCP server (stdio) dla Claude Code integrujący toolchain: GitLab (13.8.4 CE), Jira (7.7.1 Server), Redmine, Mattermost (10.x, GitLab-SSO-only) i Harbor — plus composite toole xref_* agregujące dane między systemami. Cała dokumentacja, opisy tooli, komentarze i komunikaty błędów są po polsku — trzymaj się tego.

Architektura celowo modularna: connector włącza się tylko gdy w środowisku jest komplet jego zmiennych. Wiążące konwencje schematów tooli opisuje sekcja "Konwencje przy dodawaniu tooli" niżej.

Komendy

npm run build          # tsc -p tsconfig.build.json → dist/ (scripts/ importują z dist, NIE src!)
npm run typecheck      # tsc --noEmit
npm test               # vitest run (całość, offline — FakeHttp, bez sieci)
npx vitest run test/jira.test.ts        # pojedynczy plik testowy
npx vitest run -t "degraded"            # testy pasujące do nazwy
npm run smoke          # RĘCZNIE, nie w CI — żywe endpointy, wymaga env (+ VPN jeśli serwisy są w sieci wewnętrznej)
npm run mm-login       # Playwright headful: token sesji MM przez GitLab SSO
node scripts/list-tools.mjs             # lista zarejestrowanych tooli (po build, z env)

Po zmianie w src/ pamiętaj o npm run build zanim przetestujesz serwer przez Claude Code / scripts — dist/ nie odświeża się sam.

Architektura (big picture)

Przepływ startu: index.ts → parseConfig(process.env) (zod, prefiks TOOLCHAIN_MCP_) → createHttpClient(config) → buildServer() → stdio transport.

Kontrakt connectora — registerXxxTools(server: McpServer, ctx: ConnectorContext): void w src/connectors/<serwis>.ts. buildServer (src/server.ts) woła go tylko gdy komplet zmiennych credentialowych serwisu jest ustawiony (config.<svc> istnieje). Brak env = connector nie rejestruje żadnych tooli. Analogicznie registerXrefTools sam decyduje: xref_ticket gdy Jira ∨ Redmine, xref_find_user gdy ≥2 z {Jira, GitLab, MM}.

Read the full file on GitHub · 118 lines

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. 8d ago First seen · 118 lines · 1,938 tokens per session scan A cdd8dfd5146d

Subscribe to this mod's changes

toolchain-mcp CLAUDE.md is an instructions file published in the GitHub repository kodown1k/toolchain-mcp (0 stars, last pushed 1mo ago), licensed MIT. It adds 1,938 tokens to every session, about $0.0097 per session on Opus 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.

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