diff --git a/src/main/java/com/mtvs/devlinkbackend/comment/repository/CommentRepository.java b/src/main/java/com/mtvs/devlinkbackend/comment/repository/CommentRepository.java
index c467a3d..393d348 100644
--- a/src/main/java/com/mtvs/devlinkbackend/comment/repository/CommentRepository.java
+++ b/src/main/java/com/mtvs/devlinkbackend/comment/repository/CommentRepository.java
@@ -2,6 +2,8 @@
 
 import com.mtvs.devlinkbackend.comment.entity.Comment;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
@@ -10,4 +12,7 @@
 public interface CommentRepository extends JpaRepository<Comment, Long> {
     List<Comment> findCommentsByAccountId(String accountId);
     List<Comment> findCommentsByProject_ProjectId(Long requestId);
+
+    @Query("SELECT c FROM Comment c WHERE c.project.projectId = :projectId")
+    List<Comment> findCommentIdsByProjectId(@Param("projectId") Long projectId);
 }
diff --git a/src/main/java/com/mtvs/devlinkbackend/project/controller/ProjectSummaryController.java b/src/main/java/com/mtvs/devlinkbackend/project/controller/ProjectSummaryController.java
new file mode 100644
index 0000000..cab4327
--- /dev/null
+++ b/src/main/java/com/mtvs/devlinkbackend/project/controller/ProjectSummaryController.java
@@ -0,0 +1,43 @@
+package com.mtvs.devlinkbackend.project.controller;
+
+import com.mtvs.devlinkbackend.project.dto.response.ProjectDetailResponseDTO;
+import com.mtvs.devlinkbackend.project.dto.response.ProjectSummaryResponseDTO;
+import com.mtvs.devlinkbackend.project.service.ProjectDetailService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/project")
+public class ProjectSummaryController {
+    private final ProjectDetailService projectDetailService;
+
+    public ProjectSummaryController(ProjectDetailService projectDetailService) {
+        this.projectDetailService = projectDetailService;
+    }
+
+    @Operation(summary = "전체 프로젝트 요약 조회", description = "전체 프로젝트 요약을 조회합니다.")
+    @ApiResponses({
+            @ApiResponse(responseCode = "200", description = "성공적으로 조회됨"),
+            @ApiResponse(responseCode = "404", description = "찾을 수 없음")
+    })
+    @GetMapping("/summary")
+    public ResponseEntity<ProjectSummaryResponseDTO> findAllSummary() {
+        ProjectSummaryResponseDTO summary = projectDetailService.findAllProjectSummary();
+        return summary != null ? ResponseEntity.ok(summary) : ResponseEntity.notFound().build();
+    }
+
+    @Operation(summary = "전체 프로젝트 세부 내용 조회", description = "전체 프로젝트 세부 내용을 조회합니다.")
+    @ApiResponses({
+            @ApiResponse(responseCode = "200", description = "성공적으로 조회됨"),
+            @ApiResponse(responseCode = "404", description = "찾을 수 없음")
+    })
+    @GetMapping("/{projectId}/detail")
+    public ResponseEntity<ProjectDetailResponseDTO> findProjectDetailByProjectId(
+            @PathVariable(name = "projectId") Long projectId) {
+        ProjectDetailResponseDTO detail = projectDetailService.findProjectDetailByProjectId(projectId);
+        return detail != null ? ResponseEntity.ok(detail) : ResponseEntity.notFound().build();
+    }
+}
diff --git a/src/main/java/com/mtvs/devlinkbackend/project/dto/response/ProjectDetailResponseDTO.java b/src/main/java/com/mtvs/devlinkbackend/project/dto/response/ProjectDetailResponseDTO.java
new file mode 100644
index 0000000..bc538a7
--- /dev/null
+++ b/src/main/java/com/mtvs/devlinkbackend/project/dto/response/ProjectDetailResponseDTO.java
@@ -0,0 +1,18 @@
+package com.mtvs.devlinkbackend.project.dto.response;
+
+import com.mtvs.devlinkbackend.comment.entity.Comment;
+import com.mtvs.devlinkbackend.project.repository.projection.ProjectIdAndContent;
+import lombok.*;
+
+import java.util.List;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
+public class ProjectDetailResponseDTO {
+    private ProjectIdAndContent projectIdAndContent;
+    private List<Comment> commentIdList;
+    private List<Long> supportedTeamIdList;
+}
diff --git a/src/main/java/com/mtvs/devlinkbackend/project/dto/response/ProjectSummaryResponseDTO.java b/src/main/java/com/mtvs/devlinkbackend/project/dto/response/ProjectSummaryResponseDTO.java
new file mode 100644
index 0000000..cf38fe0
--- /dev/null
+++ b/src/main/java/com/mtvs/devlinkbackend/project/dto/response/ProjectSummaryResponseDTO.java
@@ -0,0 +1,15 @@
+package com.mtvs.devlinkbackend.project.dto.response;
+
+import com.mtvs.devlinkbackend.project.repository.projection.ProjectSummary;
+import lombok.*;
+
+import java.util.List;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
+public class ProjectSummaryResponseDTO {
+    private List<ProjectSummary> data;
+}
diff --git a/src/main/java/com/mtvs/devlinkbackend/project/repository/ProjectRepository.java b/src/main/java/com/mtvs/devlinkbackend/project/repository/ProjectRepository.java
index 2bb19c3..fe51d3f 100644
--- a/src/main/java/com/mtvs/devlinkbackend/project/repository/ProjectRepository.java
+++ b/src/main/java/com/mtvs/devlinkbackend/project/repository/ProjectRepository.java
@@ -1,6 +1,8 @@
 package com.mtvs.devlinkbackend.project.repository;
 
 import com.mtvs.devlinkbackend.project.entity.Project;
+import com.mtvs.devlinkbackend.project.repository.projection.ProjectIdAndContent;
+import com.mtvs.devlinkbackend.project.repository.projection.ProjectSummary;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
@@ -9,6 +11,7 @@
 import org.springframework.stereotype.Repository;
 
 import java.time.LocalDateTime;
+import java.util.List;
 
 @Repository
 public interface ProjectRepository extends JpaRepository<Project, Long> {
@@ -46,4 +49,8 @@ Page<Project> findProjectsWithLargerRequirements(
             @Param("requiredAIEngineer") Integer requiredAIEngineer,
             Pageable pageable
     );
+
+    List<ProjectSummary> findAllBy();
+
+    ProjectIdAndContent findProjectIdAndContentByProjectId(Long projectId);
 }
diff --git a/src/main/java/com/mtvs/devlinkbackend/project/repository/projection/ProjectIdAndContent.java b/src/main/java/com/mtvs/devlinkbackend/project/repository/projection/ProjectIdAndContent.java
new file mode 100644
index 0000000..297113a
--- /dev/null
+++ b/src/main/java/com/mtvs/devlinkbackend/project/repository/projection/ProjectIdAndContent.java
@@ -0,0 +1,6 @@
+package com.mtvs.devlinkbackend.project.repository.projection;
+
+public interface ProjectIdAndContent {
+    Long getProjectId();
+    String getContent();
+}
diff --git a/src/main/java/com/mtvs/devlinkbackend/project/repository/projection/ProjectSummary.java b/src/main/java/com/mtvs/devlinkbackend/project/repository/projection/ProjectSummary.java
new file mode 100644
index 0000000..38b096b
--- /dev/null
+++ b/src/main/java/com/mtvs/devlinkbackend/project/repository/projection/ProjectSummary.java
@@ -0,0 +1,25 @@
+package com.mtvs.devlinkbackend.project.repository.projection;
+
+import java.time.LocalDateTime;
+import java.util.Map;
+
+public interface ProjectSummary {
+    Long getProjectId();
+    String getWorkScope();
+    String getWorkType();
+    String getProgressClassification();
+    String getCompanyName();
+    String getTitle();
+    Integer getRequiredClient();
+    Integer getRequiredServer();
+    Integer getRequiredDesign();
+    Integer getRequiredPlanner();
+    Integer getRequiredAIEngineer();
+    LocalDateTime getStartDateTime();
+    LocalDateTime getEndDateTime();
+    Integer getEstimatedCost();
+    String getAccountId();
+    LocalDateTime getCreatedAt();
+    LocalDateTime getModifiedAt();
+    Map<String, Integer> getProjectVector();
+}
diff --git a/src/main/java/com/mtvs/devlinkbackend/project/service/ProjectDetailService.java b/src/main/java/com/mtvs/devlinkbackend/project/service/ProjectDetailService.java
new file mode 100644
index 0000000..a9dd6b1
--- /dev/null
+++ b/src/main/java/com/mtvs/devlinkbackend/project/service/ProjectDetailService.java
@@ -0,0 +1,39 @@
+package com.mtvs.devlinkbackend.project.service;
+
+import com.mtvs.devlinkbackend.comment.entity.Comment;
+import com.mtvs.devlinkbackend.comment.repository.CommentRepository;
+import com.mtvs.devlinkbackend.project.dto.response.ProjectDetailResponseDTO;
+import com.mtvs.devlinkbackend.project.dto.response.ProjectSummaryResponseDTO;
+import com.mtvs.devlinkbackend.project.repository.projection.ProjectIdAndContent;
+import com.mtvs.devlinkbackend.project.repository.projection.ProjectSummary;
+import com.mtvs.devlinkbackend.project.repository.ProjectRepository;
+import com.mtvs.devlinkbackend.support.repository.SupportRepository;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class ProjectDetailService {
+    private final ProjectRepository projectRepository;
+    private final CommentRepository commentRepository;
+    private final SupportRepository supportRepository;
+
+    public ProjectDetailService(ProjectRepository projectRepository, CommentRepository commentRepository, SupportRepository supportRepository) {
+        this.projectRepository = projectRepository;
+        this.commentRepository = commentRepository;
+        this.supportRepository = supportRepository;
+    }
+
+    public ProjectSummaryResponseDTO findAllProjectSummary() {
+        List<ProjectSummary> projectSummaryList = projectRepository.findAllBy();
+        return new ProjectSummaryResponseDTO(projectSummaryList);
+    }
+
+    public ProjectDetailResponseDTO findProjectDetailByProjectId(Long projectId) {
+        ProjectIdAndContent projectIdAndContents = projectRepository.findProjectIdAndContentByProjectId(projectId);
+        List<Comment> commentList = commentRepository.findCommentIdsByProjectId(projectId);
+        List<Long> supportedTeamIdList = supportRepository.findTeamIdByProjectId(projectId);
+
+        return new ProjectDetailResponseDTO(projectIdAndContents, commentList, supportedTeamIdList);
+    }
+}
diff --git a/src/main/java/com/mtvs/devlinkbackend/support/repository/SupportRepository.java b/src/main/java/com/mtvs/devlinkbackend/support/repository/SupportRepository.java
index ecbf827..149a7fc 100644
--- a/src/main/java/com/mtvs/devlinkbackend/support/repository/SupportRepository.java
+++ b/src/main/java/com/mtvs/devlinkbackend/support/repository/SupportRepository.java
@@ -2,6 +2,8 @@
 
 import com.mtvs.devlinkbackend.support.entity.Support;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
@@ -10,4 +12,6 @@
 public interface SupportRepository extends JpaRepository<Support, Long> {
     List<Support> findSupportsByProjectId(Long projectId);
     List<Support> findSupportsByTeamId(Long teamId);
+    @Query("SELECT s.teamId FROM Support s WHERE s.projectId = :projectId")
+    List<Long> findTeamIdByProjectId(@Param("projectId") Long projectId);
 }