Claude Code の活用事例

Claude Code の活用事例 ~Agentic Coding へのシフト~
Mirrativ LT Party 2025.Q2

Transcript

1. $MBVEF
   $PEF
   ͷ׆༻ࣄྫ
   d
   "HFOUJD
   $PEJOH
   ΁ͷγϑτ
   d .JSSBUJW
   -5
   1BSUZ
   2
   !UPJLJ
2. ࣗݾ঺հ !UPJLJ UPJLJ 5PTIJLJ
   5BLF[BXB w .JSSBUJW
   *OD
   
   w α΢φʔ🧖
3. ࠓ೔࿩͢͜ͱ w $MBVEF
   $PEF
   ͱ͸
   w ؆қతͳ׆༻ࣄྫ
   w ͜Μͳײ͔͡ʙͱΠϝʔδ෇͍ͯ͘ΕͨΒخ͍͠
   w ݸਓ׆ಈͷ૿෯ثͱͯ͠ར༻͢ΔΠϝʔδ͕গ͠Ͱ΋༙͘ ͜ͱ͕ΰʔϧ
4. ࠓ೔࿩͞ͳ͍͜ͱ w $MBVEF
   $PEF
   ͷཧ࿦తͳ࿩
   w .$1αʔόʔͱͷ઀ଓɺฒྻ࣮ߦͳͲԠ༻తͳ࢖͍ํͷ࿩
   w ΤσΟλܕͷ"*ΤʔδΣϯτ $VSTPS
   $MJOF
   FUD ɺ48&Τʔ δΣϯτ $PEFY
   %FWJO
   FUD
   ͱͷൺֱ
5. $MBVEF
   $PEF
   ͱ͸ w "OUISPQJD͕ఏڙ͢Δ$-*ܕίʔσΟϯάΤʔδΣϯτ
   w $-*ͳͷͰΤσΟλܕͱൺֱͯ͠ɺݸਓͷϫʔΫϑϩʔͱ૊Έ߹Θͤ΍͍͢
   w 
   αϒεΫղېͰҰ༂࿩୊ʹͳͬͨ
   w .BYϓϥϯͰఆֹར༻Մೳ
   w 
   1SPϓϥϯ΋ఆֹར༻Մೳʹͳͬͨ
   w ίετΛ΄΅ؾʹ͠ͳͯ͘ྑ͍͜ͱͰϓϩάϥϛϯά؍͕มΘΔΠϯύΫ τΛ༩͑ͨͱ؍ଌ͍ͯ͠Δ
   w 
   $MBVEFγϦʔζ͕ൃදɺͦΕʹ߹ΘͤͯWϦϦʔε
   w ඪ४Ϟσϧ͸$MBVEFʹઃఆ͞Ε͍ͯΔ
6. ϝϞϦ؅ཧ w αϒσΟϨΫτϦʹ഑ஔͨ͠ϧʔϧΛ഑ஔՄೳ
   w ਌σΟϨΫτϦͷϧʔϧΛೝࣝ͢Δ
   w !QBUIUPJNQPSU
   ͰϑΝΠϧΛΠϯϙʔτՄೳ
7. ϝϞϦ؅ཧ
   
   άϩʔόϧ w શͯͷ
   DMBVEF
   ίϚϯυʹద༻ͤ͞Δάϩʔόϧϧʔϧ
   w ͓͢͢Ί
   EPU fi MFT؅ཧ
8. ϝϞϦ؅ཧ
   
   ϓϩδΣΫτ w $-"6%&NE
   w ϦϙδτϦ಺Ͱڞ௨ͷϧʔϧ
   w ϦϙδτϦ಺ͷίʔσΟϯάϧʔϧɾΞϯνύλʔϯ
   w (JUͷϫʔΫϑϩʔ
   w /FX1BDLBHF$-"6%&NE
   w ৽نϞδϡʔϧ։ൃ༻ͷϧʔϧ
   w ৽ن࣮૷༻ͷΞʔΩςΫνϟͷઆ໌
   w -FHBDZ1BDLBHF$-"6%&NE
   w ϨΨγʔϞδϡʔϧͷϝϯςφϯεϧʔϧ
   w چ࣮૷༻ͷΞʔΩςΫνϟͷઆ໌
9. ಈ࡞ͷ੍ޚ w settings.json:
   $-"6%&NEͱಉ͘͡άϩʔόϧϓϩδΣΫτ୯ҐͰઃఆ Մೳ
   w ͪΌΜͱઃఆ͢Δ͜ͱͰηΩϡϦςΟΛอͪͭͭշదʹར༻Ͱ͖Δ
   w allow/deny: ڐՄෆཁͱ͢ΔίϚϯυ/ར༻ෆՄͱ͢ΔίϚϯυ
10. $MBVEFίϚϯυ
    Ұ෦ w claude -p, —print
    ϨεϙϯεΛදࣔͯ͠ऴྃɺύΠϓ༻
    w FY
    cat logs.txt | claude -p “આ໌ͯ͠”
    w claude -c —continue
    ࠷৽ͷձ࿩Λ࠶։͢Δ
    w ͓͢͢Ί
    claude -r —resume
    ࢦఆͨ͠ηογϣϯͷձ࿩Λ࠶։͢Δ
11. εϥογϡίϚϯυ
    Ұ෦ w /clear
    ձ࿩ཤྺΛΫϦΞͯ͠ɺίϯςΩετΛۭʹ͢Δ
    w /compact [ࢦࣔ]ཁ໿ΛίϯςΩετʹҡ࣋ͭͭ͠ίϯύΫτԽ͢Δ
    w /mcp
    NDQαʔόʔͷ઀ଓঢ়گ֬ೝ
    w /model
    --.ͷઃఆ
    w /review
    13ͷϨϏϡʔ
    HIίϚϯυ͕ඞཁ
    w /pr-comments
    13ͷίϝϯτΛऔಘ͢Δ
    HIίϚϯυ͕ඞཁ
12. ׆༻ࣄྫ
13. ϓϩϯϓτ w QMBO
    NPEF
    ͔Β࣮ߦ͢Δ
    ˠ
    QMBOʹରͯ͠ϑΟʔυόοΫ͢Δͱ👍
    w TIJGU
    
    UBC
    Ͱ
    OPSNBM
    
    BVUPBDDFQU
    FEJUT
    
    QMBO
    ͱNPEF੾Γସ͑Մೳ
    w ίϯςΩετΛࣗಈͰऔΉͷͰɺ*%&࿈ܞΛར༻͢Δ
    w ηογϣϯ಺ͷಛఆͷձ࿩ʹ໭Γ΍Γ௚͢
    w ্ख͍͔͘ͳ͔ͬͨΒ
    &TD
    Λ࿈ଧͤΑ
    ੒ޭͨ͠ΒΑ͖λΠϛϯάͰηʔϒͯ͠
14. ϓϩϯϓτ w ֦ுࢥߟ &YUFOEFE
    UIJOLJOH
    Λద੾ʹར༻͢Δ
    w Ωʔϫʔυ
    UIJOL ߟ͑ͯ
    ˠ
    UIJOL
    IBSE Α͘ߟ͑ͯ
    ˠ
    VMUSBUIJOL ਂ͘ߟ͑ͯ
    w ࢥߟϨϕϧʹΑׂͬͯΓ౰ͯΒΕΔτʔΫϯ਺͕ҟͳΔͷͰ஫ҙ
    w ࣭ͷߴ͍ίϯςΩετΛ--.ʹ༩͑ΒΕΔ͔উෛ
    w !QBUIUPJNQPSU
    ͰϑΝΠϧ΍σΟϨΫτϦΛίϯςΩετʹؚΊΔ
    w ίʔυϕʔεΛ"*ϑϨϯυϦʔͳϑΥʔϚοτʹม׵͢Δ
    SFQPNJY
    Λ׆༻͢Δ
    w FY
    `repomix --include Sources/HoegeDir/`
    w ϑΝΠϧ΍σΟϨΫτϦͷίʔυίϯςΩετΛϑΝΠϧʹ·ͱΊΔ
    w "OUISPQJDެࣜ͸9.-λάͰϓϩϯϓτΛߏ଄Խ͢Δ͜ͱΛਪ঑͍ͯ͠Δ
15. ϓϩϯϓτ
    
    εΫγϣΛ࢖͏ w 6*։ൃʹؔͯ͠͸จࣈྻ͚ͩͰ͸ͳ͘ɺϏδϡΞϧͰͷࢦ͕ࣔ༗ޮ
    w ෆ۩߹ใࠂʹ͓͍ͯ΋ϏδϡΞϧ৘ใΛ༩͑ͨํ͕จࣈ͚ͩΑΓ΋ਖ਼֬
16. ΧελϜεϥογϡίϚϯυ w .claude/commands/xxx.md ͷܗࣜͰϦϙδτϦͰڞ༗͢ΔίϚϯυΛઃఆ ͢Δ w ex. debug-log.md: AIͷ࡞ۀϩάΛφϨοδͱͯ͠஝ੵ͢Δϓϩϯϓτͷ ΤΠϦΞε
17. $MBVEF
    $PEF
    "DUJPO w (JU)VCͷϫʔΫϑϩʔ޲͚ͷ൚༻$MBVEF
    $PEFΞΫγϣϯɻ೚ҙͷτϦΨʔͰ
    $MBVEF
    $PEF
    "DUJPO
    Λ࣮ߦ͢Δ͜ͱ͕Ͱ͖Δ
    w ࣗಈίʔυϨϏϡʔɺ13࡞੒ɺͳͲ
    w IUUQTHJUIVCDPNBOUISPQJDTDMBVEFDPEFBDUJPOUSFFNBJOFYBNQMFT
    w "OUISPQJDͷ"1* ैྔ՝ۚ ͷೝূํࣜɺ"NB[PO
    #FESPDLɺ(PPHMF
    7FSUFY
    "* ʹରԠͯ͠Δ
18. ͦͷଞ
    ͓͢͢Ίπʔϧ w ccusage
    ೖग़ྗͷτʔΫϯ
    
    ίετΛ֬ೝ͢ΔͨΊͷSEύʔςΟͷ$-*πʔϧ
    w ϩʔΧϧ࣮ߦͷίετ೺Ѳ༻
    w git worktree ಉҰϦϙδτϦͷෳ਺ͷϒϥϯνΛҟͳΔσΟϨΫτϦͰಉ࣌ʹ νΣοΫΞ΢τͰ͖Δػೳ w ClaudeΛෳ਺ฒྻ࣮ߦ͢ΔࡍɺΠϯελϯεຖʹϝϞϥΠζ͍ͨ͠৔߹ɺಠཱ ͍ͤͨ࣌͞ʹར༻͢Δ
19. ࠷ޙʹ
    "HFOUJD
    $PEJOH
    ΁ͷγϑτ w 5IF
    &OE
    PG
    1SPHSBNNJOH
    BT
    8F
    ,OPX
    *U
    
    5JN
    0`3FJMMZ
    w lஔ͖׵͑ΒΕΔͷ͸δϡχΞ͓ΑͼதڃϨϕϧͷϓϩάϥϚʔͰ͸ͳ͘ɺ৽͍͠ϓϩά ϥϛϯά
    πʔϧ΍ύϥμΠϜΛड͚ೖΕͣաڈʹݻࣥ͢ΔϓϩάϥϚʔz
    w ϓϩάϥϛϯά͕खଓ͖తͳ΋ͷ͔Βɺ๬Μͩঢ়ଶΛ఻͑ΔΑ͏ͳએݴతͳ΋ͷʹͳͬͯ Δ
    7JCF
    $PEJOH
    
    ϕΫτϧίʔσΟϯά
    w "*͕ࣗ཯తʹྑ͠ѱ͠Λ൑அ͠ධՁ͢ΔͨΊͷςετ࣠ɺ๫૸Λ๷ࢭ͢ΔͨΊͷΨʔυ Ϩʔϧ͕ॏཁ
    w FY
    Ϗϧυʹ੒ޭ͢Δ͔
    
    6OJU5FTUTΛύε͢Δ͔
    
    735Λύε͢Δ͔
    w "*͕ਖ਼͍͠ίʔυΛॻ͍ͯ͘ΕΔΑ͏ʹͳͬͨΒɺࡉ͔͘ਓ͕ؒνΣοΫ͠ͳͯ͘ྑ͍ੈք ઢʹͳΔͷͰ͸ͱׂΓ੾Γ͕ඞཁ͔΋
    w ໨త͕ୡ੒͞Ε͍ͯΔͷͰ͋Ε͹ਓؒͱ޷Έ͕ҟͳͬͯ΋ྑ͍͠ɺ"*͕ಡΈ΍͍͢ͳΒͦ ΕͰྑ͍ͱ͢Δ
20. ·ͱΊ w $MBVEF
    $PEF
    ͸$-*͔Βར༻Մೳͳ"*ίʔσΟϯάΤʔδΣϯτ
    w ݸਓͷϫʔΫϑϩʔ΁ͷ૊ΈࠐΈ͚ͩͰ͸ͳ͘ɺνʔϜͷϫʔΫϑϩʔ΁ͷ౷ ߹ (JU)VC
    "DUJPOT
    ࿈ܞ ΛγʔϜϨεʹߦ͏͜ͱ͕Ͱ͖Δ
    w ఆֹར༻Ͱ͖Δ఺ɺࠓ೔࿩͍ͯ͠ͳ͍͕$-*ͳΒͰ͸ͷฒྻ࣮ߦʹڧΈ͕͋Δ
    w $MBVEF
    $PEF
    ʹݶΒͣπʔϧʹؔͯ͠͸ɺ೔ʑঢ়گมΘ͍ͬͯΔͷͰશ෦৮ͬͯ ධՁ͢Δͱݴ͏ΑΓ͔͸ɺͲΕ͔ҰͭͰྑ͍͔Β৮ΕͯΈͯ"HFOUJD
    $PEJOHʹ׳ Ε͓ͯ͘͜ͱ͕ॏཁ
    w "*πʔϧΛ࢖͏ͷ͸ઐ໳εΩϧɻͲ͏͍͏΋ͷ͕ಘҙɾෆಘҙͱ໌จԽͮ͠Β ͍෦෼Λ೺Ѳ͠࢖͍͜ͳͨ͢Ίʹ͸׳ΕΔ͔͠ͳ͍
21. ࢀߟࢿྉ w $MBVEF
    $PEF
    ֓ཁ
    w IUUQTEPDTBOUISPQJDDPNKBEPDTDMBVEFDPEFPWFSWJFX
    w $MBVEF
    $PEF
    ͷ͢͢Ί
    w IUUQTTQFBLFSEFDLDPNTDISPOFLPHFUUJOHTUBSUFEXJUIDMBVEFDPEF
    w $MBVEF
    $PEFΛపఈղઆͯ͠Έͨʢલฤʣʢޙฤʣ
    w IUUQTEFWDMBTTNFUIPEKQBSUJDMFTHFUTUBSUFEDMBVEFDPEF
    w IUUQTEFWDMBTTNFUIPEKQBSUJDMFTHFUTUBSUFEDMBVEFDPEFOE
    w $MBVEF
    $PEF
    ͷ
    TFUUJOHTKTPO
    ͸ઃఆͨ͠ํ͕͍͍
    w IUUQTTZVNIBUFOBCMPHDPNFOUSZ
    w $MBVEF
    $PEF
    ͷ
    $-"6%&NE͸ઃఆͨ͠ํ͕͍͍
    w IUUQTTZVNIBUFOBCMPHDPNFOUSZ
    w $MBVEF
    $PEF׆༻ʹ͓͍ͯɺϝϯλϧϞσϧΛม͑Δඞཁ͕͋Δ
    w IUUQTTQFBLFSEFDLDPNFSVLJUJSFUIJOLJOHDMBVEFDPEFNFOUBMNPEFMT
    w ٕज़બఆͷ৹ඒ؟ʢ೥൛ʣ
    w IUUQTTQFBLFSEFDLDPNUXBEBVOEFSTUBOEJOHUIFTQJSBMPGUFDIOPMPHJFTFEJUJPO
22. 5IBOLT
    🙌