Agent skill

Obdiag Rca

by oceanbase in oceanbase/obdiag

OceanBase 集群所有根因分析场景的统一 SOP。覆盖事务超时/回滚/断连、内存不足、合并卡住、日志盘满、DDL 失败、Schema 泄漏、GC 异常、弱一致性读、OMS 等。始终先执行 rcarun,如 RCA 脚本无法给出结论再按本 skill 降级到手动日志采集分析。

MulanPSL-2.0Auto-check passedBusiness, Finance & HR

Install Obdiag Rca

skills CLI
$ npx skills add oceanbase/obdiag --skill obdiag-rca -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install oceanbase/obdiag obdiag-rca --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/oceanbase/obdiag.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/agent/skills/obdiag-rca .claude/skills/obdiag-rca && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
obdiag-rca
GitHub stars
163
Token cost
~2.6k tokens
SKILL.md length
337 words
Files
1
Skills in repo
14
Repo updated
First seen
Licence
MulanPSL-2.0

At a glance

OceanBase 集群所有根因分析场景的统一 SOP。覆盖事务超时/回滚/断连、内存不足、合并卡住、日志盘满、DDL 失败、Schema 泄漏、GC 异常、弱一致性读、OMS 等。始终先执行 rcarun,如 RCA 脚本无法给出结论再按本 skill 降级到手动日志采集分析。

  • Works in 2 steps: :收集必要参数后执行 rca_run → :rca_run 不足时,按降级路径手动分析
  • Tasks that involve Operations and SOPs
  • SKILL.md covers 使用原则, 场景速查表, 标准执行流程 and 降级手动分析, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Obdiag Rca is an agent skill from oceanbase/obdiag. OceanBase 集群所有根因分析场景的统一 SOP。覆盖事务超时/回滚/断连、内存不足、合并卡住、日志盘满、DDL 失败、Schema 泄漏、GC 异常、弱一致性读、OMS 等。始终先执行 rcarun,如 RCA 脚本无法给出结论再按本 skill 降级到手动日志采集分析。

Its SKILL.md is about 2.6k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Business, Finance & HR, covering Operations and SOPs. The repository describes itself as: obdiag (OceanBase Diagnostic Tool) is designed to help OceanBase users quickly gather necessary information and analyze the root cause of the problem.

When your agent uses it

  • Tasks that involve Operations and SOPs

Example prompts

  • “/obdiag-rca”

Workflow steps

2 steps, taken from the step headings in SKILL.md.

  1. :收集必要参数后执行 rca_run
  2. :rca_run 不足时,按降级路径手动分析

What it can do on your machine

Read from SKILL.md and the folder at commit e912c58. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are sql).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Obdiag Rca loads about 2.6k tokens when it runs. Until then it costs about 38 tokens; SKILL.md has 337 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~38
When it runs · the whole SKILL.md, loaded when a task matches
~2.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (MulanPSL-2.0) doesn't allow us to republish the file, so here is its outline and opening line. It has 337 words (~2,640 tokens).

“若 rca_run 成功给出根因建议 → 向用户汇报,结束本 skill。”

— opening of SKILL.md by oceanbase, MulanPSL-2.0
name
obdiag-rca

Read the full SKILL.md on GitHub

Files

Just SKILL.md in plugins/agent/skills/obdiag-rca of oceanbase/obdiag.

Open the folder on GitHubat commit e912c58

Compare with similar skills

Obdiag Rca next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Obdiag Rca compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Obdiag Rca this skilloceanbase/obdiag163—~2.6kAutomated safety check: PassMulanPSL-2.0
Cc Sdd New Agentgotalab/cc-sdd3.7k—~1.1kAutomated safety check: PassMIT
DBS Business Toolkit Entrydontbesilent2025/dbskill11k—~2kAutomated safety check: PassCustom licence
Agent Sop Authorstrands-agents/agent-sop1.2k—~3.5kAutomated safety check: PassApache-2.0
Diffusion Narrative Denouncingcanwhite/Krebs1k—~831Automated safety check: PassMIT
Polanyi Perspective0xenzyme/polanyi-skill137—~1.3kAutomated safety check: PassMIT

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More from oceanbase/obdiag

All 14 skills in this repo
  • 备份、日志归档、物理恢复、恢复时间窗、NFS/OSS/COS 归档路径、对象存储权限、备租户恢复源、obadmin 读取归档位点、oblogminer schemameta 等问题;OMS 迁移同步问题不使用本 skill。

    163 GitHub stars~990 tokensUpdated 4 mo ago
    Auto-check passed
  • Obdiag Triage

    oceanbase/obdiag

    未知/未分类问题的统一分诊 SOP:用户描述集群异常但症状不明确、不知从何入手,或问题无法直接对应 rca/observer-log-analysis/observer-sql-analysis 等专项 skill 时,强制先执行全量巡检 checkcluster,再根据巡检结果决定下一步路径。

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  • Obdiag Usage

    oceanbase/obdiag

    obdiag agent 工具使用指南:配置文件生成、gather/analyze/check/rca 各命令的调用方式、参数说明与典型场景。用户询问"怎么用 obdiag"、"如何采集日志"、"怎么生成配置"、"如何巡检/根因分析",或 agent 自身不确定该调哪个工具时加载本 skill。

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  • Obproxy Log Analysis

    oceanbase/obdiag

    标准 SOP:OBProxy 日志采集(gatherobproxylog)、包内解读(filelist/fileread/runshell 解压)、可选巡检。用户提到 OBProxy/代理/obproxydiagnosis 等时使用;与 observer 侧 observer-log-analysis 互斥 analyzelog。

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  • Observer 侧日志盘、数据盘、磁盘分配失败、-4184、-4264、-4009、Structure needs cleaning、fallocate、合并 -4016、索引或加副本空间不足、单表恢复占盘、归档卡 GC 等存储空间问题;日志链使用 observer-log-analysis。

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Questions about Obdiag Rca

What does Obdiag Rca do?

OceanBase 集群所有根因分析场景的统一 SOP。覆盖事务超时/回滚/断连、内存不足、合并卡住、日志盘满、DDL 失败、Schema 泄漏、GC 异常、弱一致性读、OMS 等。始终先执行 rcarun,如 RCA 脚本无法给出结论再按本 skill 降级到手动日志采集分析。. Obdiag Rca is an agent skill from oceanbase/obdiag.

When should I use Obdiag Rca?

Obdiag Rca fits situations like: tasks that involve Operations and SOPs.

How do I install Obdiag Rca in Claude Code?

Run `npx skills add oceanbase/obdiag --skill obdiag-rca -a claude-code`. Or copy the skill folder (plugins/agent/skills/obdiag-rca in oceanbase/obdiag) into .claude/skills/obdiag-rca in your project. Claude Code loads it when a task matches its description.

How do I install Obdiag Rca in Codex?

Run `npx skills add oceanbase/obdiag --skill obdiag-rca -a codex`. Or copy the skill folder (plugins/agent/skills/obdiag-rca in oceanbase/obdiag) into .agents/skills/obdiag-rca in your project. Codex loads it when a task matches its description.

Can I use Obdiag Rca in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add oceanbase/obdiag --skill obdiag-rca -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/obdiag-rca, .gemini/skills/obdiag-rca, .github/skills/obdiag-rca and .opencode/skills/obdiag-rca in your project.

What does Obdiag Rca need to run?

SKILL.md names no scripts, command-line tools or credentials: Obdiag Rca is instructions for the agent only.

Does Obdiag Rca access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Obdiag Rca safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Obdiag Rca use?

Obdiag Rca is published under the MulanPSL-2.0 licence (the repository's licence).

How many tokens does Obdiag Rca use?

About 2.6k tokens (SKILL.md is roughly 11k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Obdiag Rca?

Skills that share tags, products or a category with Obdiag Rca: Cc Sdd New Agent (gotalab/cc-sdd, 3.7k stars), DBS Business Toolkit Entry (dontbesilent2025/dbskill, 11k stars), Agent Sop Author (strands-agents/agent-sop, 1.2k stars) and Diffusion Narrative Denouncing (canwhite/Krebs, 1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Obdiag Rca?

oceanbase (a GitHub organization) maintains it in oceanbase/obdiag, which has 163 GitHub stars. The repository holds 14 skills in this directory. The repository was last updated on May 19, 2026.

Source: oceanbase/obdiag on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.