The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
modelcontextprotocol/java-sdk 的健康指数为 100 分中的 94 分,处于「卓越」区间。 其得分最高的类别是Vitality(95/100),最低的是Security(66/100)。 最近一次更新在 1 天前。 近期的大部分工作由 1 位贡献者完成。
指标归入加权类别,统一采用 1–100 量表。总体分先取类别加权平均,再依据公开记录的分布进行校准,使各等级具有百分位含义;当公开证据触发高风险司法辖区政策时,评级会按政策调整,并设置 34(存在风险)的上限。
每条轴代表一个类别。形状比平均值更重要——健康的对象会填满整个图形,而“一峰一谷”式画像意味着某一维度的优势正掩盖另一维度的风险。
加权总体分 80 经校准后在公布的指数量表上为 94(记录校准 2026-08-02)。
| 注册表 | 软件包 | 版本 | 月下载量 | 版本数 | 最近发布 |
|---|---|---|---|---|---|
| Maven | io.modelcontextprotocol.sdk:mcp | 2.0.1 | - | 40 | 1 天前 |
| Maven | io.modelcontextprotocol.sdk:mcp-core | 2.0.1 | - | 29 | 1 天前 |
| Maven | io.modelcontextprotocol.sdk:mcp-test | 2.0.1 | - | 40 | 1 天前 |
| Maven | io.modelcontextprotocol.sdk:mcp-json-jackson2 | 2.0.1 | - | 29 | 1 天前 |
| Maven | io.modelcontextprotocol.sdk:mcp-json-jackson3 | 2.0.1 | - | 20 | 1 天前 |
项目是否仍有生命——是否仍在编写代码,是否仍在发布版本?
| 36/36 | 推送新近度 — 最近一次推送于 1 天前 |
| 27.7/36 | 提交节奏 — 52 周中有 40 周有提交 |
| 18/18 | 提交量 — 最近一年 201 次提交 |
| 10/10 | OpenSSF Scorecard:Maintained — 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |
| commits_last_year | 201 |
| human_commit_share | 1 |
| days_since_last_push | 1 |
| active_weeks_last_year | 40 |
| 27/27 | 有发布版本 — 已发布 39 个发布版本 |
| 36/36 | 发布时效 — 最近一次发布版本于 1 天前 |
| 27/27 | 发布节奏 — 约每 11.7 天发布一次 |
| 0/10 | OpenSSF Scorecard:Signed-Releases — 无数据 |
| releases_count | 39 |
| latest_release_tag | v1.1.4 |
| releases_from_tags | 否 |
| days_since_latest_release | 1 |
| mean_days_between_releases | 11.7 |
项目是否拥有用户、下载量与关注度,并具备欢迎贡献者参与的配置?
| 57.8/60 | 星标 — 3,665 个星标 |
| 25/25 | 复刻 — 1,131 个复刻 |
| 10.8/15 | 关注者 — 90 位关注者 |
| forks | 1,131 |
| stars | 3,665 |
| watchers | 90 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
| 22.5/22.5 | README |
| 22.5/22.5 | 许可证 — 可识别的许可证(MIT) |
| 18/18 | CONTRIBUTING 指南 |
| 13.5/13.5 | 行为准则 |
| 0/7.2 | 议题模板 |
| 6.3/6.3 | PR 模板 |
| has_readme | 是 |
| has_license | 是 |
| readme_badges | 4 |
| has_contributing | 是 |
| has_issue_template | 否 |
| has_code_of_conduct | 是 |
| readme_badge_services | github.com, shields.io |
| has_pull_request_template | 是 |
项目能否在其成员之外延续——巴士系数、响应能力、由谁支持,以及软件包的维护状况?
| 9/54 | 巴士系数 — 1 位贡献者贡献了半数提交 |
| 10.6/22.5 | 提交分布 — 头号贡献者编写了 53% 的提交 |
| 13.5/13.5 | 贡献者广度 — 77 位贡献者 |
| 10/10 | OpenSSF Scorecard:Contributors — project has 21 contributing companies or organizations |
| bus_factor | 1 |
| contributors_sampled | 77 |
| top_contributor_share | 0.531 |
| 29.5/42 | 议题解决 — 70% 的议题已关闭 |
| 13.5/30 | PR 接受 — 已裁定的 PR 中 203/450 已合并 |
| 5.6/13 | Newcomer PR acceptance — 30 天内首次贡献者的 PR 已合并 3/7 |
| 6/15 | OpenSSF Scorecard:Code-Review — Found 12/28 approved changesets -- score normalized to 4 |
| merged_prs | 203 |
| open_issues | 135 |
| closed_issues | 319 |
| prs_merged_7d | 3 |
| prs_decided_7d | 3 |
| prs_merged_30d | 6 |
| prs_decided_30d | 10 |
| issue_closed_ratio | 0.703 |
| closed_unmerged_prs | 247 |
| first_time_authors_30d | 6 |
| first_time_prs_merged_30d | 3 |
| first_time_prs_decided_30d | 7 |
| 30/30 | 所有权背书 — 组织持有 |
| 0/20 | 已验证域名 — 未读取该组织的域名验证状态 |
| 25/25 | 所有者影响力 — modelcontextprotocol 有 50,025 位关注者 |
| 15.7/25 | 既往记录 — 42 个公开仓库,账户约 1 年 |
| followers | 50,025 |
| owner_type | Organization |
| is_verified | — |
| owner_login | modelcontextprotocol |
| public_repos | 42 |
| account_age_days | 699 |
| 25/25 | 已发布且可解析 — maven 上有 5 个软件包 |
| 35/35 | 发布时效 — 最近一次发布于 1 天前 |
| 20/20 | 版本历史 — 40 个已发布版本 |
| 20/20 | 未被弃用 — 活跃,未被弃用或撤回 |
| packages | io.modelcontextprotocol.sdk:mcp, io.modelcontextprotocol.sdk:mcp-core, io.modelcontextprotocol.sdk:mcp-test, io.modelcontextprotocol.sdk:mcp-json-jackson2, io.modelcontextprotocol.sdk:mcp-json-jackson3 |
| ecosystems | maven |
| any_deprecated | 否 |
| min_days_since_publish | 1 |
基础的工程与文档实践是否到位?
| 24/24 | CI 工作流 — 5 个工作流 |
| 24/24 | 存在测试 |
| 0/16 | Linter 配置 |
| 0/9.6 | Pre-commit 钩子 |
| 0/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard:CI-Tests — 18 out of 18 merged PRs checked by a CI test -- score normalized to 10 |
| has_ci | 是 |
| has_tests | 是 |
| has_editorconfig | 否 |
| has_linter_config | 否 |
| has_precommit_config | 否 |
| 30/30 | README |
| 25/25 | 文档目录 |
| 15/15 | 文档 / 主页站点 — https://java.sdk.modelcontextprotocol.io/latest/ |
| 10/10 | 仓库描述 |
| 10/10 | 主题标签 — 4 个主题标签 |
| 0/10 | Wiki |
| topics | mcp, mcp-server, mcp-client, java |
| has_wiki | 否 |
| homepage | https://java.sdk.modelcontextprotocol.io/latest/ |
| docs_site | https://java.sdk.modelcontextprotocol.io/latest/ |
| has_readme | 是 |
| has_docs_dir | 是 |
| has_description | 是 |
可见的安全与供应链实践是否稳固,且不存在未解决的高风险司法辖区暴露?
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 3.8/7.5 | Branch-Protection — branch protection is not maximal on development and all release branches |
| 2.5/2.5 | CI-Tests — 18 out of 18 merged PRs checked by a CI test -- score normalized to 10 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 3/7.5 | Code-Review — Found 12/28 approved changesets -- score normalized to 4 |
| 2.5/2.5 | Contributors — project has 21 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 7.5/7.5 | Dependency-Update-Tool — update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.5/2.5 | 许可证 — license file detected |
| 7.5/7.5 | Maintained — 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |
| 5/5 | Packaging — packaging workflow detected |
| 0/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| 3/5 | SAST — SAST tool is not run on all commits -- score normalized to 6 |
| 5/5 | Security-Policy — security policy file detected |
| 0/7.5 | Signed-Releases — 无数据 |
| 0/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 1.5/7.5 | Vulnerabilities — 8 existing vulnerabilities detected |
| source | openssf_scorecard |
| checks_evaluated | 17 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 1 |
| scorecard_aggregate | 6.3 |
| 35/35 | 直接依赖不含已知公告 — 没有直接依赖携带已知公告 |
| 7.4/25 | 间接依赖不含已知公告 — 2 个受影响:tools.jackson.core:jackson-core 3.0.3 (high 7.5), tools.jackson.core:jackson-databind 3.0.3 (high 8.1) |
| 33.7/40 | 没有长期未处理的公告 — 1 个携带公告的软件包超过 90 天未处理;最早一条发布于 174 天前 |
| source | osv |
| advisories | 12 |
| affected_packages | 2 |
| assessed_packages | 12 |
| unassessed_packages | 0 |
| affected_by_severity | high 2 |
| direct_affected_packages | 0 |
该仓库在多大程度上具备与 AI 编码代理协同开发与维护的条件?权重刻意设小(4%):代理工具链是一项真实的维护信号,但完全不具备的仓库仍可达到 100/100。
| 45/45 | 代理指令 — AGENTS.md |
| 15/15 | 机器可读文档(llms.txt) — 项目网站提供 llms.txt(https://modelcontextprotocol.io/llms.txt) |
| 29.9/40 | 可读的提交历史 — 100 次人类提交中有 56 次说明了意图(结构化标题或解释性正文) |
| has_llms_txt | 是 |
| llms_txt_url | https://modelcontextprotocol.io/llms.txt |
| legible_history_share | 0.56 |
| agent_instruction_files | AGENTS.md |
| agent_instruction_max_bytes | 3,597 |
| 12.6/18 | 一条命令的引导启动 — conformance-tests/client-jdk-http-client/pom.xml, conformance-tests/client-spring-http-client/pom.xml, conformance-tests/pom.xml(工具链约定,无任务运行器) |
| 22/22 | 自动化测试 |
| 0/11 | Lint / 格式化配置 |
| 11/11 | 静态类型检查 — Java(静态类型) |
| 0/10 | 可复现环境 |
| 4/10 | 已体现的代理实践 — 最近 100 次提交中有 2 次由代理编写或署名代理 |
| 5/8 | 自动化维护 — 已配置依赖自动化,但在抽样提交中未观察到 |
| 0/10 | OpenSSF Scorecard:Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| has_nix | 否 |
| has_tests | 是 |
| lockfiles | — |
| has_dockerfile | 否 |
| typed_language | 是 |
| bootstrap_files | — |
| has_devcontainer | 否 |
| has_linter_config | 否 |
| typecheck_configs | — |
| agent_commit_share | 0.02 |
| toolchain_manifests | conformance-tests/client-jdk-http-client/pom.xml, conformance-tests/client-spring-http-client/pom.xml, conformance-tests/pom.xml, conformance-tests/server-servlet/pom.xml, mcp-bom/pom.xml, mcp-core/pom.xml, mcp-json-jackson2/pom.xml, mcp-json-jackson3/pom.xml, mcp-test/pom.xml, mcp/pom.xml, pom.xml |
| dependency_bot_commit_share | 0 |
| 45/45 | 可类型检查的代码 — Java(静态类型) |
| 54/55 | 可控的文件大小 — 采样的 222 个源文件中有 4 个超过 60KB |
| primary_language | Java |
| largest_source_bytes | 192,395 |
| source_files_sampled | 222 |
| oversized_source_files | 4 |
| 0/40 | API 模式(OpenAPI/GraphQL/proto) — 不适用于此类软件 |
| 20/20 | MCP 服务器 |
| 0/40 | 可运行示例 |
| example_dirs | — |
| has_mcp_signal | 是 |
| api_schema_files | — |
| interfaces_expected_of | — |
每颗 star 和每个 fork 的添加时间,来自 GitHub 并按天汇总。累计增长位于其构成来源——每日新增——的正上方,二者可相互对照:稳定的自然增长与短暂的突增形态截然不同。当这一差别可被衡量时,它会作为增长真实性予以报告。
仅显示最近的历史——该仓库超出采集窗口,因此未采集最早的历史记录。
每个点涵盖 2 天。
来自开源项目 OpenSSF Scorecard 的独立、工具无关的安全评估。每项检查奖励的是安全实践本身,而非特定供应商的工具。Scorecard 无法判定的检查项标记为 不适用,并从安全评分中剔除(绝不按零分计)。
| 10 | Binary-Artifacts | no binaries found in the repo |
| 5 | Branch-Protection | branch protection is not maximal on development and all release branches |
| 10 | CI-Tests | 18 out of 18 merged PRs checked by a CI test -- score normalized to 10 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 4 | Code-Review | Found 12/28 approved changesets -- score normalized to 4 |
| 10 | Contributors | project has 21 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 10 | Dependency-Update-Tool | update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 10 | License | license file detected |
| 10 | Maintained | 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |
| 10 | Packaging | packaging workflow detected |
| 0 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 0 |
| 6 | SAST | SAST tool is not run on all commits -- score normalized to 6 |
| 10 | Security-Policy | security policy file detected |
| 不适用 | Signed-Releases | no releases found |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 2 | Vulnerabilities | 8 existing vulnerabilities detected |
| 注册表 | 软件包 | 版本约束 | 清单文件 |
|---|---|---|---|
| Maven | io.modelcontextprotocol.sdk:mcp-core | ${project.version} | mcp-bom/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp | ${project.version} | mcp-bom/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-json-jackson2 | ${project.version} | mcp-bom/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-json-jackson3 | ${project.version} | mcp-bom/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-test | ${project.version} | mcp-bom/pom.xml |
| Maven | org.slf4j:slf4j-api | ${slf4j-api.version} | mcp-core/pom.xml |
| Maven | com.fasterxml.jackson.core:jackson-annotations | ${jackson-annotations.version} | mcp-core/pom.xml |
| Maven | io.projectreactor:reactor-core | — | mcp-core/pom.xml |
| Maven | com.fasterxml.jackson.core:jackson-databind | ${jackson2.version} | mcp-json-jackson2/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-core | 2.1.0-SNAPSHOT | mcp-json-jackson2/pom.xml |
| Maven | com.networknt:json-schema-validator | ${json-schema-validator-jackson2.version} | mcp-json-jackson2/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-core | 2.1.0-SNAPSHOT | mcp-json-jackson3/pom.xml |
| Maven | tools.jackson.core:jackson-databind | ${jackson3.version} | mcp-json-jackson3/pom.xml |
| Maven | com.networknt:json-schema-validator | ${json-schema-validator-jackson3.version} | mcp-json-jackson3/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-core | 2.1.0-SNAPSHOT | mcp-test/pom.xml |
| Maven | org.slf4j:slf4j-api | ${slf4j-api.version} | mcp-test/pom.xml |
| Maven | io.projectreactor:reactor-core | — | mcp-test/pom.xml |
| Maven | org.assertj:assertj-core | ${assert4j.version} | mcp-test/pom.xml |
| Maven | org.junit.jupiter:junit-jupiter-api | ${junit.version} | mcp-test/pom.xml |
| Maven | org.junit.jupiter:junit-jupiter-params | ${junit.version} | mcp-test/pom.xml |
| Maven | org.mockito:mockito-core | ${mockito.version} | mcp-test/pom.xml |
| Maven | io.projectreactor:reactor-test | — | mcp-test/pom.xml |
| Maven | org.testcontainers:junit-jupiter | ${testcontainers.version} | mcp-test/pom.xml |
| Maven | org.testcontainers:toxiproxy | ${toxiproxy.version} | mcp-test/pom.xml |
| Maven | org.awaitility:awaitility | ${awaitility.version} | mcp-test/pom.xml |
| Maven | ch.qos.logback:logback-classic | ${logback.version} | mcp-test/pom.xml |
| Maven | net.javacrumbs.json-unit:json-unit-assertj | ${json-unit-assertj.version} | mcp-test/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-json-jackson3 | 2.1.0-SNAPSHOT | mcp/pom.xml |
| Maven | io.modelcontextprotocol.sdk:mcp-core | 2.1.0-SNAPSHOT | mcp/pom.xml |
| Maven | io.projectreactor:reactor-bom | 2024.0.0 | pom.xml |
来自 GitHub 依赖图的完整解析依赖集合:22 个直接依赖与 33 个间接(传递)软件包。仓库提交锁文件时,传递闭包才是完整的。
| 注册表 | 软件包 | 版本 | 关系 |
|---|---|---|---|
| Maven | ch.qos.logback:logback-classic | — | 直接 |
| Maven | com.fasterxml.jackson.core:jackson-annotations | — | 直接 |
| Maven | com.fasterxml.jackson.core:jackson-databind | — | 直接 |
| Maven | com.networknt:json-schema-validator | — | 直接 |
| Maven | io.modelcontextprotocol.sdk:mcp | 2.1.0-SNAPSHOT | 直接 |
| Maven | io.modelcontextprotocol.sdk:mcp-core | 2.1.0-SNAPSHOT | 直接 |
| Maven | io.modelcontextprotocol.sdk:mcp-json-jackson2 | 2.1.0-SNAPSHOT | 直接 |
| Maven | io.modelcontextprotocol.sdk:mcp-json-jackson3 | 2.1.0-SNAPSHOT | 直接 |
| Maven | io.modelcontextprotocol.sdk:mcp-test | 2.1.0-SNAPSHOT | 直接 |
| Maven | io.projectreactor:reactor-bom | 2024.0.0 | 直接 |
| Maven | io.projectreactor:reactor-core | — | 直接 |
| Maven | io.projectreactor:reactor-test | — | 直接 |
| Maven | net.javacrumbs.json-unit:json-unit-assertj | — | 直接 |
| Maven | org.assertj:assertj-core | — | 直接 |
| Maven | org.awaitility:awaitility | — | 直接 |
| Maven | org.junit.jupiter:junit-jupiter-api | — | 直接 |
| Maven | org.junit.jupiter:junit-jupiter-params | — | 直接 |
| Maven | org.mockito:mockito-core | — | 直接 |
| Maven | org.slf4j:slf4j-api | — | 直接 |
| Maven | org.testcontainers:junit-jupiter | — | 直接 |
| Maven | org.testcontainers:toxiproxy | — | 直接 |
| Maven | tools.jackson.core:jackson-databind | — | 直接 |
| Maven | biz.aQute.bnd:bnd-maven-plugin | — | 间接 |
| Maven | com.google.code.gson:gson | 2.10.1 | 间接 |
| Maven | io.projectreactor.netty:reactor-netty-http | — | 间接 |
| Maven | io.spring.javaformat:spring-javaformat-maven-plugin | 0.0.47 | 间接 |
| Maven | jakarta.servlet:jakarta.servlet-api | — | 间接 |
| Maven | net.bytebuddy:byte-buddy | — | 间接 |
| Maven | org.apache.maven.plugins:maven-compiler-plugin | 3.11.0 | 间接 |
| Maven | org.apache.maven.plugins:maven-dependency-plugin | — | 间接 |
| Maven | org.apache.maven.plugins:maven-deploy-plugin | 3.1.1 | 间接 |
| Maven | org.apache.maven.plugins:maven-gpg-plugin | 3.2.7 | 间接 |
| Maven | org.apache.maven.plugins:maven-jar-plugin | — | 间接 |
| Maven | org.apache.maven.plugins:maven-jar-plugin | 3.3.0 | 间接 |
| Maven | org.apache.maven.plugins:maven-javadoc-plugin | 3.11.2 | 间接 |
| Maven | org.apache.maven.plugins:maven-shade-plugin | 3.5.1 | 间接 |
| Maven | org.apache.maven.plugins:maven-site-plugin | 4.0.0-M13 | 间接 |
| Maven | org.apache.maven.plugins:maven-source-plugin | 3.3.0 | 间接 |
| Maven | org.apache.maven.plugins:maven-surefire-plugin | 3.1.2 | 间接 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | — | 间接 |
| Maven | org.apache.tomcat.embed:tomcat-embed-websocket | — | 间接 |
| Maven | org.codehaus.mojo:exec-maven-plugin | 3.1.0 | 间接 |
| Maven | org.codehaus.mojo:flatten-maven-plugin | — | 间接 |
| Maven | org.codehaus.mojo:flatten-maven-plugin | 1.5.0 | 间接 |
| Maven | org.sonatype.central:central-publishing-maven-plugin | 0.7.0 | 间接 |
| Maven | org.springaicommunity:mcp-client-security | 0.1.13 | 间接 |
| Maven | org.springframework.ai:spring-ai-starter-mcp-client | 2.0.0 | 间接 |
| Maven | org.springframework.boot:spring-boot-dependencies | 4.1.0 | 间接 |
| Maven | org.springframework.boot:spring-boot-maven-plugin | 4.1.0 | 间接 |
| Maven | org.springframework.boot:spring-boot-starter-oauth2-client | — | 间接 |
| Maven | org.springframework.boot:spring-boot-starter-restclient | — | 间接 |
| Maven | org.springframework.boot:spring-boot-starter-webmvc | — | 间接 |
| Maven | org.springframework:spring-context | — | 间接 |
| Maven | org.springframework:spring-test | — | 间接 |
| Maven | org.springframework:spring-webmvc | — | 间接 |
安装 maven:io.modelcontextprotocol.sdk:mcp@2.0.1 会引入 12 个包(直接与传递):其中 2 个存在已知公告,0 个为直接依赖。
| 软件包 | 版本 | 关系 | 严重程度 | 公告数 | 修复版本 |
|---|---|---|---|---|---|
| tools.jackson.core:jackson-core | 3.0.3 | 间接 | 高 | 4 | 3.1.4 |
| tools.jackson.core:jackson-databind | 3.0.3 | 间接 | 高 | 8 | 3.2.1 |
公告表示依赖图中记录的版本落入某条公告的受影响范围。可达性未经分析,且依赖图包含开发与测试的版本固定——某项发现可能只涉及工具链而非交付的软件。
发现这份报告有不准确之处,或有想法要分享?错误的测量、未识别的工具、建议、疑问——都欢迎提出。每条消息都会被阅读并得到回复。