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Claude Codeでの開発と注意点
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Takafumi Mizuguchi
August 17, 2025
Programming
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Claude Codeでの開発と注意点
Claude Codeを用いた開発方法の概略と注意点に関してお話しさせていただきました。
当日の資料に加え、おすすめMCPサーバーをスライド最後に追加しています。
Takafumi Mizuguchi
August 17, 2025
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Transcript
J1IPOF%FW4BQQPSPɹਫޱو࢙ 9!(VUUZP $MBVEF$PEFͰͷ։ൃͱҙ ίϯςΩετංେͰόΧʹͳΔʁ
ਫޱو࢙ 9!(VUUZP ւಓେֶපӃༀࡎ෦ɹༀࡎࢣ w ࡎࣨʢ߅͕Μࡎͷௐʣ J04ΞϓϦ 0CKFDUJWF$ w ௐࡎి
w $5$"&W+$0( ެ։%FW4BQͷ͓͔͛ ࣗݾհ
BHFOEB $MBVEF$PEFͱ ઃఆํ๏ͱجຊతͳ͍ํ ༻࣌ͷҙ ՝ ࢲͷ՝
࡞ͬͨΞϓϦ ͓͢͢Ί.$1αʔόʔ ه
$MBVEF$PEFͱ
$MBVEF$PEF "OUISPQJDͷΤʔδΣϯτܕίʔσΟϯάπʔϧ w λʔϛφϧͰಈ࡞͠ɺࣗવݴޠͷࢦࣔͰίʔσΟϯά͕Մೳͳπʔϧ w આ໌͔ΒػೳΛߏங w σόοάͱमਖ਼ w .$1ʹΑΓ֎෦࿈ܞ͕Մೳ
w "1*ܦ༝ͷैྔ՝ۚɹ·ͨɺ1SP ɺ.BY ϓϥϯ w 1SPϓϥϯ4POOFUͷΈɺ.BYϓϥϯ0QVTɺ4POOFUΛબΔ ৄࡉɹIUUQTEPDTBOUISPQJDDPNKBEPDTDMBVEFDPEFɹࢀর
ઃఆํ๏ͱجຊతͳ͍ํ
Πϯετʔϧ /PEFKTҎ߱ͷڥ # Claude CodeΛΠϯετʔϧ npm install -g @anthropic-ai/claude-code #
ϓϩδΣΫτʹҠಈ cd your-awesome-project # ClaudeͰίʔσΟϯάΛ։࢝ claude
ઃఆ DMBVEFTFUUJOHKTPO w $MBVEF$PEFͷઃఆϑΝΠϧ Ͳ͜ʹஔ͔͘ͰӨڹൣғ͕ҟͳΔɻ w ϢʔβʔσΟϨΫτϦ w શ$MBVEF$PEFʹରͯ͠ͷઃఆ w
ϓϩδΣΫτσΟϨΫτϦ w ͦͷϓϩδΣΫτʹಛԽͨ͠ઃఆ (JUཧൣғ IUUQTEPDTBOUISPQJDDPNKBEPDTDMBVEFDPEFTFUUJOHT { "permissions": { "allow": [ "Bash(npm run lint)", "Bash(npm run test:*)", "Read(~/.zshrc)" ], "deny": [ "Bash(curl:*)", "Read(./.env)", "Read(./.env.*)", "Read(./secrets/**)" ] }, "env": { "CLAUDE_CODE_ENABLE_TELEMETRY": "1", "OTEL_METRICS_EXPORTER": "otlp" } }
͍͜ͳ͢ͱศརͳػೳ ԡ͓͖͍͑ͯͨ͞%PDT w $-*ϦϑΝϨϯε IUUQTEPDTBOUISPQJDDPNKBEPDTDMBVEFDPEFDMJSFGFSFODF w εϥογϡίϚϯυ JOJUɺDMFBSɺDPNQBDUͳͲ IUUQTEPDTBOUISPQJDDPNKBEPDTDMBVEFDPEFTMBTIDPNNBOET
ΧελϜεϥογϡίϚϯυར༻Մೳ
͍͜ͳ͢ͱศརͳػೳ εϥογϡίϚϯυ
༻ํ๏ λʔϛφϧͰࢦࣔΛग़͢ ৽͍͠ΞϓϦΛ࡞Δ ˢJ04ͩͬͯʂɹ ֬ೝͤͣʹউखʹࢥ͍ࠐΉ 4IJGU UBCΛԡͯ͠ɺʮQMBONPEFPOʯʹ͓ͯ͘͠
༻ํ๏ 9DPEFCFUBͰϓϩδΣΫτϑΝΠϧΛ࡞ޙʹ࠶ґཔ
༻ํ๏ $MBVEF$PEFʹ࣮ґཔΛ͢Δ λεΫʹྨ࣮ͯ͠Λ։࢝ͯ͘͠ΕΔɻ .$1ͰΑΓৄࡉͳλεΫ͚ՄೳͳΑ͏
༻ํ๏ Ϗϧυͱσόοά ϏϧυΤϥʔͷϝοηʔδΛͦͷ··ίϐϖ͢Δ͚ͩɻ (FNJOJग़དྷͳ͍ɻʮΤϥʔͰ͢ɻʯͷҰݴΛఴ͑Δඞཁ͕͋Δ
༻ํ๏ (JUͷDPNNJUɺQVTIՄೳ
༻ํ๏ ϑΝΠϧɺϑΥϧμͷେ͖ͳมԽ࣌ʹJOJUΛ w ΞϓϦͷجૅ࣌ w େ෯ͳػೳमਖ਼࣌ w 8BUDIରԠͳͲ w JOJUίϚϯυͱ
w ݱࡏͷσΟϨΫτϦߏΛಡΈऔͬͯ$-"6%&NE Λੜ͢Δɻ
༻࣌ͷҙ
$MBVEF$PEFʹσόοάΛͤΔͱɻɻ ͋Β͵ํੑʹΓɺτʔΫϯΛ͍Ռͨ͢Մೳੑ w উखʹಠࣗͷճආࡦΛ࡞ͬͯɺ͞ΒʹͦΕΛউखʹͿͬյͯ͠ಊʑ८ΓɻϚονϙ ϯϓ͕ফ͑ͳ͍ײ͡ɻ w ϏϧυΛࣗಈͰ܁Γฦ͠ɺ্هࣗಈͰ܁Γฦ͢ͷͰɺࢹ͕ඞཁ w ؾΛൈ͘ͱ࣌ؒηογϣϯͷ༻੍ݶ͕͔͔ͬͯ͠·͏ɻ OQYDDVTBHF!MBUFTU
ίϚϯυͰେମͷίετΛѲՄೳ IUUQTEPDTBOUISPQJDDPNKBEPDTDMBVEFDPEFDPTUT 4FSFOB.$1ͷಋೖ͕͓͢͢Ίɺͳؾ͕͢Δɾɾɾ ਖ਼Α͘Θ͔Βͳ͍͕ɺ λεΫΛࡉ͔͘ྨͯ͘͠ΕΔΑ͏ʹͳͬͨɺͣɻ
՝ ࢲͷ՝
՝ "*ͤͷͨΊʹى͜Δ՝ w ΦϑϥΠϯɺαʔόʔΦʔόʔϩʔυ࣌ͷ։ൃఀ શʹʮ͚ম͖ਕʯঢ়ଶɻΞΫηεͰ͖ͳ͍ͱɺ΄΅ԿͰ͖ͳ͍ɻ
՝ "*ͤͷͨΊʹى͜Δ՝ w ग़ྗ͞Εͨίʔυղܾࡦ͕ʮਖ਼͍͠ͷʯͳͷ͔ɺผ͢Δ͕ࣝͳ͍ɻ w ͱΓ͋͑ͣʰʮ(FNJOJʯʹίϯαϧͱͯ͠ʱͱ͓ͯ͠Λ͍ͯ͠Δɻ w ίʔυηΩϡϦςΟͪΖΜɺ.$1αʔόʔʹҙ͕ඞཁ w 1SPϓϥϯͩͱίϯςΩετΛઅ͠ͳ͕Β։ൃ͕ඞཁʹͳΔ
w "*Ϟσϧͷมߋʹ͏ڍಈͷมԽͷՄೳੑ w υϝΠϯࣝͷภΓ
࡞ͬͨΞϓϦ
$5$"&W+$0( ߅͕ΜༀʹΑΔ෭࡞༻ (SBEFʙ̑ͷ̑ஈ֊ධՁ ݩΤΫηϧϑΝΠϧ ˠ+40/Խͯ͠ΞϓϦදࣔ ˞ΞΠίϯ࡞தˡ
͓͢͢Ί.$1αʔόʔ
͓͢͢Ί.$1αʔόʔ ։ൃޮɺਖ਼֬ੑͷ্ͷͨΊʹݱࡏ 4FSFOB.$1ιʔείʔυͷߏղੳͷิॿʹΑΔɺେنϦϑΝΫλϦϯάͷޮԽ IUUQTHJUIVCDPNPSBJPTTFSFOB $POUFYUɹৗʹ࠷৽ͷυΩϡϝϯτΛಡΈࠐΈݹ͍ใʹΑΔΤϥʔΛࢭ IUUQTDPOUFYUDPN $JQIFSɹաڈͷղܾࡦΛهԱ͠ɺಉͷରॲ࣌ؒΛݮ ඞཁϝϞϦଟΊ IUUQTHJUIVCDPNDBNQ
fi SFJODJQIFS
ͨͩ͠ɺ̏छಉ࣌༻ Ϛγϯύϫʔɾϙʔτڝ߹ͷ ճආ͕ඞཁ