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<title>mml-composemusic-mcp.git/doc/Design.md, branch v0.3.0</title>
<subtitle>レトロチップ音源（2A03 APU）風のMMLをLLMに作曲させるためのMCPサーバです 
</subtitle>
<id>https://git.takashi-2521.com/mml-composemusic-mcp.git/atom?h=v0.3.0</id>
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<updated>2026-09-13T05:13:04+00:00</updated>
<entry>
<title>feat: return composed WAV as MCP audio content</title>
<updated>2026-09-13T05:13:04+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-09-13T05:12:41+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=97b34627667fd699f4e0e054533eb89a205a2878'/>
<id>urn:sha1:97b34627667fd699f4e0e054533eb89a205a2878</id>
<content type='text'>
Replace the server-local wav_path result with a protocol-native multimedia response.

- Split internal composition execution from MCP ToolResult serialization so filesystem paths never enter public payloads.

- Return every successfully composed WAV as AudioContent with the audio/wav MIME type, regardless of file size.

- Keep structured audio metadata, duration, note sequence, and validation details alongside the multimedia content.

- Use CallToolResult.isError as the authoritative MCP execution status while retaining compose success and validate valid as domain fields.

- Treat invalid compose/API requests and runtime failures as tool errors, while invalid MML discovered by validate remains a successful validation operation.

- Sanitize synthesis, file-write, audio-serialization, and unexpected failure responses so internal paths and exception details are not exposed.

- Add protocol-level coverage for base64 round trips, content block types, error semantics, ResourceLink absence, and path non-disclosure.

- Update existing tests for the separated execution layer and path-free result contract.

- Document AudioContent and isError behavior in the README, MCP schema, and design specification.

- Require the tested FastMCP 3.4.4 API line and exclude the incompatible 4.x major version.

Verification: 487 tests passed; ruff check passed; git diff --check passed; uv lock --check passed; and a manual MCP call returned TextContent plus AudioContent with no wav_path.
</content>
</entry>
<entry>
<title>feat: MMLパーサーと意味解析を厳格化</title>
<updated>2026-07-15T11:00:24+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-15T11:00:24+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=7249ca3a6fdf51f6b7ea66ac6854edd5e02ae5ec'/>
<id>urn:sha1:7249ca3a6fdf51f6b7ea66ac6854edd5e02ae5ec</id>
<content type='text'>
- ppmckの終端分岐付きリピートとL制御トラックを実装
- case、構文構造、音長、エフェクト値域の検証を強化
- Pyxel拡張コマンドのarityと参照検証を追加
- リピート展開上限と構文・意味エラー時の合成停止を追加
- BNF、設計書、適合監査、回帰テストを更新
</content>
</entry>
<entry>
<title>waveファイルの出力先変更</title>
<updated>2026-07-12T13:28:14+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-12T13:28:14+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=764a892b43ba55e3d96b0d8986c64cd6b5d42236'/>
<id>urn:sha1:764a892b43ba55e3d96b0d8986c64cd6b5d42236</id>
<content type='text'>
mmlファイルをwaveファイルと一緒に出力するように変更
サンプルデータ追加
</content>
</entry>
<entry>
<title>feat: 合成機能テンプレートの拡充とドキュメントの更新</title>
<updated>2026-07-12T09:50:50+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-12T09:50:50+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=d83a966199671a1cab6b8f56be448662e79f4a46'/>
<id>urn:sha1:d83a966199671a1cab6b8f56be448662e79f4a46</id>
<content type='text'>
- ppmck/pyxel向けに表現力のある作曲テンプレートを追加
- エンベロープ、ビブラート、音程変化の使用例を追加
- テンプレートの検証・IR・音声合成テストを追加
- README、設計書、MCP仕様書を現行実装に合わせて更新
</content>
</entry>
<entry>
<title>feat: MML拡張合成とNTSC 2A03準拠のIR v2音源を実装</title>
<updated>2026-07-12T09:28:50+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-12T09:28:50+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=3d06bee12a26bc55cd73b1494e4d008a8098f6f5'/>
<id>urn:sha1:3d06bee12a26bc55cd73b1494e4d008a8098f6f5</id>
<content type='text'>
- エンベロープ、LFO、ビブラート、グライドのグローバル定義表を追加
- ppmckおよびPyxelの拡張コマンドを音声合成へ反映
- 2A03のPulseデューティ列、Triangle DAC、Noise LFSR、Sweepを実装
- APUタイマーに基づく周波数量子化と非線形ミキサを追加
- 途中テンポ変更、拡張コマンドの検証、トラック外定義に対応
- APU規格、拡張合成、IR v2のテストを追加
- プロジェクト独自のppmck拡張仕様と対応範囲を文書化
</content>
</entry>
<entry>
<title>feat(ppmck): mckc準拠の構文拡張とIR保持コマンド追加</title>
<updated>2026-07-12T08:59:16+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-12T08:58:19+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=bf36a773918959eeb6ffe7dae2fb8b0874438eb4'/>
<id>urn:sha1:bf36a773918959eeb6ffe7dae2fb8b0874438eb4</id>
<content type='text'>
- @をデューティ比、qをクオンタイズに修正（mckc原本準拠）
- ^タイ、Dディチューン、sスイープ、v+/v-相対音量を追加
- @v/@@/@MP/@EP/@EN エンベロープ・LFO系を構文解析してIR保持
- 上記IR保持コマンドは合成未対応を SEMANTIC_UNSUPPORTED_FEATURE で警告
- Design.md / MML_BNF.md を更新
- 全200テスト + ruff チェック通過
</content>
</entry>
<entry>
<title>MML構文解析処理一部修正。ドキュメント最新化</title>
<updated>2026-07-12T07:20:37+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-12T07:20:37+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=8a1fcf81dbab9e2eff3c4d558c6910bc8208e49e'/>
<id>urn:sha1:8a1fcf81dbab9e2eff3c4d558c6910bc8208e49e</id>
<content type='text'>
</content>
</entry>
<entry>
<title>MML構文解析処理を追加</title>
<updated>2026-07-12T07:03:29+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-12T07:03:29+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=22f96694a96ed9fba169e77bc27d19d00edca083'/>
<id>urn:sha1:22f96694a96ed9fba169e77bc27d19d00edca083</id>
<content type='text'>
</content>
</entry>
<entry>
<title>waveファイル名可変対応</title>
<updated>2026-07-11T16:10:41+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-11T16:10:41+00:00</published>
<link rel='alternate' type='text/html' href='https://git.takashi-2521.com/mml-composemusic-mcp.git/commit/?id=3bb311ad8e0f10617805c8737d92d13e6a627818'/>
<id>urn:sha1:3bb311ad8e0f10617805c8737d92d13e6a627818</id>
<content type='text'>
</content>
</entry>
<entry>
<title>ドキュメントとコメント一部更新</title>
<updated>2026-07-11T13:17:57+00:00</updated>
<author>
<name>tanaka takashi</name>
<email>isazaka@gmail.com</email>
</author>
<published>2026-07-11T13:17:57+00:00</published>
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<id>urn:sha1:b7f717df8ddc046139811fd8e8ee2399924ee71e</id>
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