Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add freee/freee-mcp --skill freee-api-skillgit clone --depth 1 https://github.com/freee/freee-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/skills/freee/freee-mcp/freee-api-skill)<a href="https://agentmods.dev/skills/freee/freee-mcp/freee-api-skill"><img src="https://agentmods.dev/badge/skills/freee/freee-mcp/freee-api-skill.svg" alt="Measured on agentmods" height="20"></a>- Socket pass
- Snyk warn
- NVIDIA SkillSpector pass
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 | $0.00332 | $0.03200 |
| Opus 5 | $0.00166 | $0.01600 |
| Sonnet 5 | $0.00066 | $0.00640 |
| Haiku 4.5 | $0.00033 | $0.00320 |
Grade A, and why
freee-api-skill 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.
How it starts
The opening of the file, as written. The whole thing — 166 lines — stays where its author put it; the contents beside it link to each section on GitHub.
freee API スキル
概要
freee の会計・人事労務・請求書・工数管理・販売・IT管理・固定資産・業務委託管理・サーベイ・申告のデータを AI から直接操作できるスキルです。
freee-mcp (MCP サーバー) を通じて freee API と連携。
このスキルの役割:
- freee API の詳細リファレンスを提供
- freee-mcp 使用ガイドと API 呼び出し例を提供
セットアップ
freee_* ツールが利用できている場合、セットアップは不要です。
以下のいずれかに該当する場合のみ SETUP.md を読み、ユーザーに接続手順を案内してください。
freee_*ツールが1つも利用できないfreee_auth_statusが未認証を返し、「エラー対応」の手順でも解決しない- ユーザーが接続方法・初期設定について質問している
接続モードは freee_server_info の transport フィールドで確認できます(remote = Remote MCP、stdio = ローカル)。
リファレンス
API リファレンスが references/ に含まれます。各リファレンスにはパラメータ、リクエストボディ、レスポンスの情報があります。
目的の API を探す手順:
references/INDEX.mdを読む(service ごとのファイル名と内容の一覧)- 索引で特定できない場合は
references/内のファイルをキーワード検索する
リファレンスの記法:
名前*は必須、無印は任意- 見出しの
### リクエストボディ*はリクエストボディ自体が必須であることを示す - パラメータは特記なき限り query。
(path)(header)は該当箇所に明記 - パラメータ名末尾の
[]はパラメータ名の一部であり API 呼び出し時に省略してはいけない GET /xxx と同じは、同一ファイル内の該当エンドポイントと内容が同一であることを示す- レスポンスはトップレベルの項目のみ記載。ネストした構造は実際に API を呼び出して確認する
法人税の帳票 XML(XTX / XBRL)の各要素と紙の帳票の項目との対応は
tax-return-references/ にあります。索引と共通仕様は
tax-return-references/index.md、個別の帳票は
tax-return-references/{sheet_code}.md です。
使い方
MCP ツール
認証・事業所管理:
freee_authenticate- OAuth 認証(Remote MCP では認証は自動処理されるため通常は不要)freee_auth_status- 認証状態確認freee_clear_auth- 認証情報クリア(ローカルモード用)freee_current_user- ログインユーザー情報取得freee_list_companies- 事業所一覧freee_set_current_company- 事業所切り替えfreee_get_current_company- 現在の事業所取得
サーバー情報:
freee_server_info- サーバー情報取得(バージョン、transport: remote/stdio)
ファイル操作:
freee_file_upload- ファイルボックスにファイルをアップロード (POST /api/1/receipts) ※ローカルモードのみ
API 呼び出し:
freee_api_get- GET リクエストfreee_api_post- POST リクエストfreee_api_put- PUT リクエストfreee_api_delete- DELETE リクエストfreee_api_patch- PATCH リクエストfreee_api_list_paths- 利用可能なAPIパス一覧
serviceパラメータ (必須):
accounting- freee会計(取引、勘定科目、取引先など) 例:/api/1/dealshr- freee人事労務(従業員、勤怠など) 例:/api/v1/employeesinvoice- freee請求書(請求書、見積書、納品書) 例:/invoicespm- freee工数管理(プロジェクト、工数など) 例:/projectssm- freee販売(見積、受注、売上など) 例:/businessesit_management- freeeIT管理(SaaSアカウント、備品、メンバー) 例:/hub/it_management/membersfixed_asset_management- freee固定資産(固定資産の一覧、詳細、登録、更新、削除) 例:/hub/fixed_asset_management/fixed_assetspartner_management- freee業務委託管理(業務委託先の企業ユーザー・部門) 例:/hub/partner_management/orderer/company_userssurvey- freeeサーベイ(サーベイ企画、実施回)※ freee-mcp(リモート版) 限定 例:/hub/survey/base_surveystax_return- freee申告(法人税申告・帳票参照) 例:/hub/tax_return/corporate
What ships with it
60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- apm.yml 311 B
- COLORS.md 526 B
- evals/evals.json 20 KB
- recipes/corporate-tax-return-operations.md 11 KB
- recipes/deal-operations.md 2.3 KB
- recipes/expense-application-operations.md 1.9 KB
- recipes/fixed-asset-management-operations.md 6.4 KB
- recipes/freee-mcp-tag.md 1.2 KB
- recipes/hr-attendance-operations.md 1.8 KB
- recipes/hr-employee-operations.md 1.6 KB
- recipes/invoice-operations.md 3.5 KB
- recipes/it-management-operations.md 8.9 KB
- recipes/manual-journal-operations.md 2.8 KB
- recipes/payment-request-operations.md 1.9 KB
- recipes/pm-operations.md 2.2 KB
- recipes/pm-workload-registration.md 3.2 KB
- recipes/receipt-operations.md 2.5 KB
- recipes/report-operations.md 1.7 KB
- recipes/sign-document-operations.md 7.1 KB
- recipes/sm-operations.md 4.9 KB
- recipes/survey-operations.md 11 KB
- references/accounting-account-groups.md 2.2 KB
- references/accounting-account-items.md 11 KB
- references/accounting-approval-flow-routes.md 3.1 KB
- references/accounting-approval-requests.md 13 KB
- references/accounting-banks.md 2.2 KB
- references/accounting-companies.md 3.1 KB
- references/accounting-deals.md 15 KB
- references/accounting-expense-application-line-templates.md 5.3 KB
- references/accounting-expense-applications.md 22 KB
- references/accounting-fixed-assets.md 2.3 KB
- references/accounting-general-ledgers.md 3.9 KB
- references/accounting-invoices.md 2.3 KB
- references/accounting-items.md 9.4 KB
- references/accounting-journals.md 5.0 KB
- references/accounting-manual-journals.md 15 KB
- references/accounting-partners.md 31 KB
- references/accounting-payment-requests.md 30 KB
- references/accounting-payments.md 3.0 KB
- references/accounting-purchase-requests.md 11 KB
- references/accounting-quotations.md 2.0 KB
- references/accounting-receipts.md 6.4 KB
- references/accounting-renews.md 6.4 KB
- references/accounting-sections.md 11 KB
- references/accounting-segment-tags.md 9.5 KB
- references/accounting-selectables.md 499 B
- references/accounting-tags.md 2.0 KB
- references/accounting-taxes.md 4.5 KB
- references/accounting-transfers.md 11 KB
- references/accounting-trial-balance.md 53 KB
- references/accounting-user-matchers.md 16 KB
- references/accounting-users.md 11 KB
- references/accounting-wallet-txns.md 5.3 KB
- references/accounting-walletables.md 9.1 KB
- references/fixed-asset-management-fixed-assets.md 14 KB
- references/hr-approval-flow-routes.md 1.9 KB
- references/hr-attendance-summaries.md 6.4 KB
- references/hr-attendances.md 5.2 KB
- references/hr-bonus-statements.md 1.8 KB
- references/hr-employee-bank-accounts.md 2.3 KB
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.
- 8d ago First seen · 166 lines · 332 tokens per session scan A 683861b8d917
freee-api-skill is a skill published in the GitHub repository freee/freee-mcp (498 stars, last pushed 5d ago), licensed Apache-2.0. It adds 332 tokens to every session and 3,200 once invoked, about $0.0017 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 2026-08-30.
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