felimet/gpss-patent

Última actividad de origen registrada: 14 de octubre de 2026 a las 04:18

Catálogo de SkillsMP actualizado: 29 de octubre de 2026 a las 18:30

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# gpss-patent Global patent search for AI agents through the Taiwan IPO GPSS API. A read-only MCP server plus a search-workflow skill, packaged for Claude Code and Codex. [繁體中文](README-zhTW.md) Status: the spec was verified against the original TIPO files; a successful live response needs a valid userCode and has not been verified yet (see [Verification](#verification)). Python ≥ 3.10, mcp ≥ 2.3, [uv](https://docs.astral.sh/uv/). ## What it is GPSS (Global Patent Search System, 全球專利檢索系統) covers 23 databases across TW, US, JP, EP, KR, CN, WIPO, Southeast Asia and others, but offers only a URL-style REST API and PDF documents. Handing that to an LLM invites wrong field codes, a `+`/`-` operator prefix that gets percent-encoded, repeated invalid-userCode requests that get the IP blocked, and unbounded payloads. This server turns those constraints into a typed interface: - Field and database codes are schema enums, cross-checked against TIPO's own files. - The userCode is read from the environment only. It never appears in tool arguments, logs, results or error messages. - `userCode not exist`, `expired` or `IP blocked` trips a circuit breaker: no further network calls that session. - Results are normalised to compact records; abstracts and claims have a character budget. ## Layout ``` . ├── .claude-plugin/ Claude Code plugin + marketplace manifests ├── .codex-plugin/ Codex plugin manifest ├── .agents/plugins/ Codex marketplace manifest ├── .mcp.json Claude Code MCP launch (userCode from a sensitive plugin option) ├── .codex-mcp.json Codex MCP launch (forwards GPSS_USER_CODE) ├── skills/gpss-patent-search/SKILL.md Agent search workflow and rules ├── server.py MCP server (PEP 723 script, run by uv) ├── scripts/fetch_sources.py Download + hash-check TIPO's original documents ├── docs/SOURCES.md Source versions, hashes, inconsistencies between sources ├── test_server.py test_packaging.py └── .github/workflows/ci.yml ``` ## Install You need a GPSS userCode: GPSS → API → 使用說明 → 「API驗證碼線上申請」. - One Email = one code. Review takes 1–3 working days from the application date; the code is mailed the next working day after approval. The form shows an expiry of application date + 1 year; renew with 「API 驗證碼展期」, recover with 「忘記 API 驗證碼」. - GPSS policy blocks mainland China, Hong Kong and Macau: do not apply with an Email from those regions and do not connect from their IPs. ### Claude Code ```bash claude plugin marketplace add felimet/gpss-patent claude plugin install gpss-patent@gpss-patent ``` On Claude Code 2.1.275 or later, one step: `/plugin install gpss-patent --marketplace felimet/gpss-patent`. Then open `/plugin`, select gpss-patent and fill in **GPSS userCode**. It is kept in the platform's secure credential store and passed to the server as `GPSS_USER_CODE`. Restart the session. ### Codex ```bash codex plugin marketplace add felimet/gpss-patent codex plugin add gpss-patent@gpss-patent ``` Export the code before starting Codex; Codex forwards only variables an MCP entry lists in `env_vars`, and this plugin lists `GPSS_USER_CODE`: ```powershell setx GPSS_USER_CODE "<your-code>" # Windows, then restart the terminal ``` ```bash export GPSS_USER_CODE="<your-code>" # macOS / Linux ``` Restart Codex after installing. Use the plugin or a hand registration, not both. ### Any other MCP host ```bash GPSS_USER_CODE=<your-code> uv run /path/to/server.py # stdio ``` Upgrade: `claude plugin marketplace update gpss-patent` / `codex plugin marketplace upgrade gpss-patent`, then reinstall or update the plugin. ## Tools | Tool | Purpose | |---|---| | `gpss_reference` | Database table (with full-text flags), field table, syntax, quotas, current quota period, known caveats | | `gpss_search` | `conditions[{field, query, op}]` plus `databases`, `case_types`, `patent_types`, `output_fields`, `limit`, `skip`, `text_chars`, `raw` | Quotas (from the GPSS API page): 10,000 records per search; work hours (Mon–Fri 08:00–18:00 Taipei) 10,000 records in total per period, off hours 30,000. A request counts at least 30 records. Probe with a small `limit`. ## Verification Run: `python scripts/fetch_sources.py && uv run --with "mcp>=2.3,<3" --with pytest --with pypdf pytest -q` The source cross-check tests need TIPO's files, and `tiponet.tipo.gov.tw` answered HTTP 403 to GitHub-hosted runners (US), so CI skips them and runs only the logic and packaging tests. Maintainers run the full suite from a Taiwan network. The only documented restriction is mainland China, Hong Kong and Macau; why the US runners were refused is not documented, and whether the API endpoint (as opposed to the document downloads) refuses them too was not tested. `gpss_search` explains an HTTP 403 accordingly. | Item | Source | How | |---|---|---| | 29 search fields | `GPSS_OAS.json` | test: equals the OAS parameter-name set | | 23 database codes and no-full-text flags | `API_code.pdf` Table 1 | test: parsed from the PDF text layer, equal row by row | | Output fields and search/output mapping | `API_code.pdf` Table 2 | test: set equality | | URL grammar (`+`/`-` prefixes, date ranges) | `API_instructions.pdf` p.7 example | test: the example string is first confirmed to exist in the PDF, then compared with `build_url` output | | Response field mapping | `Json_format.pdf` example 1 | test: document-derived fixture, plus a variant with single-item lists unwrapped | | Endpoint and error envelope | live probe 2026-10-14 | invalid code → HTTP 200 `{"status":"fail","message":"userCode not exist"}` | | Rate limits, output-quantity range | GPSS API page and URL-tool page | read by hand; not machine-comparable | | Packaging | `test_packaging.py`, `claude plugin validate --strict` | versions, names, launch paths, env wiring agree across both plugin formats | | Test effectiveness | mutation check | 6 data/logic breakages were each caught | ### Not yet verified (needs a valid userCode) - The real success-response JSON shape (single items bare or in a list, numbers as strings). The normaliser accepts both; `raw=true` returns the untouched response for comparison. - Server-side handling of the `+`/`-` parameter-name prefixes, and precedence of mixed AND/OR/NOT (assumed left to right). - Behaviour of `expQty` below 30. The server always sends `max(limit, 30)` and slices locally. - Exact meaning of the "single case number" quota, and whether holidays count as off hours. - Whether the API endpoint (as opposed to the document downloads) is reachable from non-Taiwan networks other than mainland China, Hong Kong and Macau, which are documented as blocked. ### Source inconsistencies See [docs/SOURCES.md](docs/SOURCES.md). Most relevant: `API_code.pdf` and `API_instructions.pdf` disagree on whether JPA, KPA and KPB have full text; the stricter one (no full text) is used. ## Design notes - Single-file `urllib` client, no httpx or requests: mcp 2.x no longer ships httpx and one GET is all that is needed. Rejected: generating a client from the OAS, which omits `keyValue` and contradicts the PDFs on `patent-title`. - JSON only; XML carries the same data, so the agent does not need to choose. - `conditions` is an ordered list rather than 29 flat parameters: the OR/NOT prefixes depend on order and combination. - TIPO's PDFs are not redistributed; `scripts/fetch_sources.py` fetches and hash-pins them. ## License Apache-2.0, see [LICENSE](LICENSE). GPSS data and the TIPO documents belong to the Taiwan Intellectual Property Office; results are for reference only and are not a basis for any examination or legal decision.

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以經濟部智慧財產局 GPSS 全球專利檢索系統 API 檢索 TW/US/JP/EP/KR/CN/WO 等專利（先前技術調查、申請人 / 發明人 / 分類號檢索、取得摘要與請求項）。觸發詞：專利檢索、先前技術、prior art、patent search、GPSS、TIPO、智慧財產局、CPC/IPC 檢索、查某專利號。需 MCP server gpss-patent 與環境變數 GPSS_USER_CODE。

Idioma del texto original: chino

2026-10-14

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