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Tool contract drift across server-filesystem and server-everything releases (receipts, plus a PR diff action)

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Valutazione

Difficoltà
4/5
Tempo stimato
3-5 giorni
Idoneità per principianti
42/100
Tipo di issue
Funzionalità
Chiarezza
Abbastanza chiara
Stato di attività
Attiva
Stack tecnologico
github-actions, typescript
Ambito
devtools, testing

Direzione di ricerca

Start with the linked filesystem.md and everything.md receipts, then inspect the server release history and the rugsnare-pr-diff workflow example at rugsnare#14. Identify whether adding per-PR contract diffs and committed baselines fits this repository’s existing release and CI setup. Done means a proposed workflow and baselines cover the chosen server and produce a useful contract diff on pull requests.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

We pin MCP tool contracts ({name, description, inputSchema} over a canonical form, plus prompts and resources) and diff them across published versions. Two reference servers drift more than the reference role suggests, and none of it is per-tool visible in changelogs.

@modelcontextprotocol/server-filesystem, 0.2.0 -> 2.0.0: 14 findings, 8 BREAKING. read_file, read_multiple_files, write_file, create_directory, list_directory, move_file, search_files, get_file_info all tightened their inputSchema. 9 -> 14 tools (+ read_text_file, read_media_file, edit_file, list_directory_with_sizes, directory_tree). The diff is identical at the 2026.8.31, 1.0.0 and 2.0.0 endpoints: the 2.0.0 bump changed nothing in the tool surface. 456K npm installs/week (week ending 2026-10-18). Receipts + repro: filesystem.md.

@modelcontextprotocol/server-everything, 0.1.0 -> 2.0.0: 43 findings. echo LOOSENED; add, longRunningOperation, sampleLLM, getTinyImage GONE; 15 new tools (three of them added by the 2.0.0 release of 2026-10-19); the prompt and resource demo surfaces replaced wholesale (2 prompts and 10 resources gone, 4 prompts and 7 resources appeared). 5 -> 16 tools. Receipts + repro: everything.md.

Version note: 2.0.0 (2026-10-19) is the newest release and carries the latest tag; the untagged calver snapshots (2026.x) are semver-higher but published earlier.

If per-PR visibility would help review, we released a GitHub Action that diffs every PR against a committed baseline and posts the contract diff (tools, prompts, resources, direction-graded, advisory-scored) as a PR comment: rugsnare-pr-diff v1.3.0. Live example on a real PR, including a deliberately planted rug pull: rugsnare#14. Happy to open PRs that add the workflow + baselines for either server.

Lingua principale
TypeScript
Stelle
91.6k
Fork
11.9k
Merge medio
5h 18m
PR unite (30g)
185

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Come iniziare

  1. Leggi tutta la issue e poi la guida ai contributi del progetto.
  2. Commenta sulla issue per dire che te ne occupi tu — evita che due persone facciano lo stesso lavoro.
  3. Fai un fork del repository e lavora su un branch.
  4. Apri una pull request che faccia riferimento al numero della issue.

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