APIでエージェントスキルを使用する

import anthropic

client = anthropic.Anthropic()

response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [
            {
                "type": "anthropic",
                "skill_id": "pptx",
                "version": "latest"
            }
        ]
    },
    messages=[{
        "role": "user",
        "content": "Create a presentation about renewable energy"
    }],
    tools=[{
        "type": "code_execution_20250825",
        "name": "code_execution"
    }]
)

import anthropic

client = anthropic.Anthropic()

# ステップ1：スキルを使用してファイルを作成する
response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [
            {"type": "anthropic", "skill_id": "xlsx", "version": "latest"}
        ]
    },
    messages=[{
        "role": "user",
        "content": "Create an Excel file with a simple budget spreadsheet"
    }],
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

# ステップ2：レスポンスからファイルIDを抽出する
def extract_file_ids(response):
    file_ids = []
    for item in response.content:
        if item.type == 'bash_code_execution_tool_result':
            content_item = item.content
            if content_item.type == 'bash_code_execution_result':
                for file in content_item.content:
                    if hasattr(file, 'file_id'):
                        file_ids.append(file.file_id)
    return file_ids

# ステップ3：Files APIを使用してファイルをダウンロードする
for file_id in extract_file_ids(response):
    file_metadata = client.beta.files.retrieve_metadata(
        file_id=file_id,
        betas=["files-api-2025-04-14"]
    )
    file_content = client.beta.files.download(
        file_id=file_id,
        betas=["files-api-2025-04-14"]
    )

    # ステップ4：ディスクに保存する
    file_content.write_to_file(file_metadata.filename)
    print(f"Downloaded: {file_metadata.filename}")

# ファイルメタデータを取得する
file_info = client.beta.files.retrieve_metadata(
    file_id=file_id,
    betas=["files-api-2025-04-14"]
)
print(f"Filename: {file_info.filename}, Size: {file_info.size_bytes} bytes")

# すべてのファイルをリストする
files = client.beta.files.list(betas=["files-api-2025-04-14"])
for file in files.data:
    print(f"{file.filename} - {file.created_at}")

# ファイルを削除する
client.beta.files.delete(
    file_id=file_id,
    betas=["files-api-2025-04-14"]
)

# 最初のリクエストがコンテナを作成する
response1 = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [
            {"type": "anthropic", "skill_id": "xlsx", "version": "latest"}
        ]
    },
    messages=[{"role": "user", "content": "Analyze this sales data"}],
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

# 同じコンテナで会話を続ける
messages = [
    {"role": "user", "content": "Analyze this sales data"},
    {"role": "assistant", "content": response1.content},
    {"role": "user", "content": "What was the total revenue?"}
]

response2 = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "id": response1.container.id,  # コンテナを再利用する
        "skills": [
            {"type": "anthropic", "skill_id": "xlsx", "version": "latest"}
        ]
    },
    messages=messages,
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

messages = [{"role": "user", "content": "Process this large dataset"}]
max_retries = 10

response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [
            {"type": "custom", "skill_id": "skill_01AbCdEfGhIjKlMnOpQrStUv", "version": "latest"}
        ]
    },
    messages=messages,
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

# 長時間操作のためにpause_turnを処理する
for i in range(max_retries):
    if response.stop_reason != "pause_turn":
        break

    messages.append({"role": "assistant", "content": response.content})
    response = client.beta.messages.create(
        model="claude-sonnet-4-5-20250929",
        max_tokens=4096,
        betas=["code-execution-2025-08-25", "skills-2025-10-02"],
        container={
            "id": response.container.id,
            "skills": [
                {"type": "custom", "skill_id": "skill_01AbCdEfGhIjKlMnOpQrStUv", "version": "latest"}
            ]
        },
        messages=messages,
        tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
    )

response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [
            {
                "type": "anthropic",
                "skill_id": "xlsx",
                "version": "latest"
            },
            {
                "type": "anthropic",
                "skill_id": "pptx",
                "version": "latest"
            },
            {
                "type": "custom",
                "skill_id": "skill_01AbCdEfGhIjKlMnOpQrStUv",
                "version": "latest"
            }
        ]
    },
    messages=[{
        "role": "user",
        "content": "Analyze sales data and create a presentation"
    }],
    tools=[{
        "type": "code_execution_20250825",
        "name": "code_execution"
    }]
)

import anthropic

client = anthropic.Anthropic()

# オプション1：files_from_dirヘルパーを使用する（Pythonのみ、推奨）
from anthropic.lib import files_from_dir

skill = client.beta.skills.create(
    display_title="Financial Analysis",
    files=files_from_dir("/path/to/financial_analysis_skill"),
    betas=["skills-2025-10-02"]
)

# オプション2：zipファイルを使用する
skill = client.beta.skills.create(
    display_title="Financial Analysis",
    files=[("skill.zip", open("financial_analysis_skill.zip", "rb"))],
    betas=["skills-2025-10-02"]
)

# オプション3：ファイルタプルを使用する（ファイル名、ファイルコンテンツ、MIMEタイプ）
skill = client.beta.skills.create(
    display_title="Financial Analysis",
    files=[
        ("financial_skill/SKILL.md", open("financial_skill/SKILL.md", "rb"), "text/markdown"),
        ("financial_skill/analyze.py", open("financial_skill/analyze.py", "rb"), "text/x-python"),
    ],
    betas=["skills-2025-10-02"]
)

print(f"Created skill: {skill.id}")
print(f"Latest version: {skill.latest_version}")

# すべてのスキルをリストする
skills = client.beta.skills.list(
    betas=["skills-2025-10-02"]
)

for skill in skills.data:
    print(f"{skill.id}: {skill.display_title} (source: {skill.source})")

# カスタムスキルのみをリストする
custom_skills = client.beta.skills.list(
    source="custom",
    betas=["skills-2025-10-02"]
)

skill = client.beta.skills.retrieve(
    skill_id="skill_01AbCdEfGhIjKlMnOpQrStUv",
    betas=["skills-2025-10-02"]
)

print(f"Skill: {skill.display_title}")
print(f"Latest version: {skill.latest_version}")
print(f"Created: {skill.created_at}")

# ステップ1：すべてのバージョンを削除する
versions = client.beta.skills.versions.list(
    skill_id="skill_01AbCdEfGhIjKlMnOpQrStUv",
    betas=["skills-2025-10-02"]
)

for version in versions.data:
    client.beta.skills.versions.delete(
        skill_id="skill_01AbCdEfGhIjKlMnOpQrStUv",
        version=version.version,
        betas=["skills-2025-10-02"]
    )

# ステップ2：スキルを削除する
client.beta.skills.delete(
    skill_id="skill_01AbCdEfGhIjKlMnOpQrStUv",
    betas=["skills-2025-10-02"]
)

# 新しいバージョンを作成する
from anthropic.lib import files_from_dir

new_version = client.beta.skills.versions.create(
    skill_id="skill_01AbCdEfGhIjKlMnOpQrStUv",
    files=files_from_dir("/path/to/updated_skill"),
    betas=["skills-2025-10-02"]
)

# 特定のバージョンを使用する
response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [{
            "type": "custom",
            "skill_id": "skill_01AbCdEfGhIjKlMnOpQrStUv",
            "version": new_version.version
        }]
    },
    messages=[{"role": "user", "content": "Use updated Skill"}],
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

# 最新バージョンを使用する
response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [{
            "type": "custom",
            "skill_id": "skill_01AbCdEfGhIjKlMnOpQrStUv",
            "version": "latest"
        }]
    },
    messages=[{"role": "user", "content": "Use latest Skill version"}],
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

# カスタムDCF分析スキルを作成する
from anthropic.lib import files_from_dir

dcf_skill = client.beta.skills.create(
    display_title="DCF Analysis",
    files=files_from_dir("/path/to/dcf_skill"),
    betas=["skills-2025-10-02"]
)

# Excelで使用して財務モデルを作成する
response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [
            {"type": "anthropic", "skill_id": "xlsx", "version": "latest"},
            {"type": "custom", "skill_id": dcf_skill.id, "version": "latest"}
        ]
    },
    messages=[{
        "role": "user",
        "content": "Build a DCF valuation model for a SaaS company with the attached financials"
    }],
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

# 最初のリクエストがキャッシュを作成する
response1 = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02", "prompt-caching-2024-07-31"],
    container={
        "skills": [
            {"type": "anthropic", "skill_id": "xlsx", "version": "latest"}
        ]
    },
    messages=[{"role": "user", "content": "Analyze sales data"}],
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

# スキルの追加/削除がキャッシュを破損する
response2 = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02", "prompt-caching-2024-07-31"],
    container={
        "skills": [
            {"type": "anthropic", "skill_id": "xlsx", "version": "latest"},
            {"type": "anthropic", "skill_id": "pptx", "version": "latest"}  # キャッシュミス
        ]
    },
    messages=[{"role": "user", "content": "Create a presentation"}],
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
)

try:
    response = client.beta.messages.create(
        model="claude-sonnet-4-5-20250929",
        max_tokens=4096,
        betas=["code-execution-2025-08-25", "skills-2025-10-02"],
        container={
            "skills": [
                {"type": "custom", "skill_id": "skill_01AbCdEfGhIjKlMnOpQrStUv", "version": "latest"}
            ]
        },
        messages=[{"role": "user", "content": "Process data"}],
        tools=[{"type": "code_execution_20250825", "name": "code_execution"}]
    )
except anthropic.BadRequestError as e:
    if "skill" in str(e):
        print(f"Skill error: {e}")
        # スキル固有のエラーを処理する
    else:
        raise