Whodb
xiaoyuge886/aigc
Database operations including querying, schema exploration, and data analysis.
Runs read-only MongoDB finds, aggregations and collection listings against databases named in your .env, choosing the connection by label or index.
Install MongoDB Query Client
$ npx skills add evolution-foundation/evo-nexus --skill db-mongo -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install evolution-foundation/evo-nexus db-mongo --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/evolution-foundation/evo-nexus.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/db-mongo .claude/skills/db-mongo && rm -rf skills-srcUse ~/.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/
Install the "db-mongo" agent skill from https://github.com/evolution-foundation/evo-nexus/tree/main/.claude/skills/db-mongo into .claude/skills/db-mongo/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-mongo", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/evolution-foundation/evo-nexus/tree/main/.claude/skills/db-mongoType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add evolution-foundation/evo-nexus --skill db-mongo -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install evolution-foundation/evo-nexus db-mongo --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/evolution-foundation/evo-nexus.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/db-mongo .agents/skills/db-mongo && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "db-mongo" agent skill from https://github.com/evolution-foundation/evo-nexus/tree/main/.claude/skills/db-mongo into .agents/skills/db-mongo/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-mongo", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add evolution-foundation/evo-nexus --skill db-mongo -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install evolution-foundation/evo-nexus db-mongo --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/evolution-foundation/evo-nexus.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/db-mongo .cursor/skills/db-mongo && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "db-mongo" agent skill from https://github.com/evolution-foundation/evo-nexus/tree/main/.claude/skills/db-mongo into .cursor/skills/db-mongo/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-mongo", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/evolution-foundation/evo-nexus.git --path .claude/skills/db-mongo--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add evolution-foundation/evo-nexus --skill db-mongo -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install evolution-foundation/evo-nexus db-mongo --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/evolution-foundation/evo-nexus.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/db-mongo .gemini/skills/db-mongo && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "db-mongo" agent skill from https://github.com/evolution-foundation/evo-nexus/tree/main/.claude/skills/db-mongo into .gemini/skills/db-mongo/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-mongo", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install evolution-foundation/evo-nexus db-mongoInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add evolution-foundation/evo-nexus --skill db-mongo -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/evolution-foundation/evo-nexus.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/db-mongo .github/skills/db-mongo && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "db-mongo" agent skill from https://github.com/evolution-foundation/evo-nexus/tree/main/.claude/skills/db-mongo into .github/skills/db-mongo/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-mongo", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add evolution-foundation/evo-nexus --skill db-mongo -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install evolution-foundation/evo-nexus db-mongo --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/evolution-foundation/evo-nexus.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/db-mongo .opencode/skills/db-mongo && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "db-mongo" agent skill from https://github.com/evolution-foundation/evo-nexus/tree/main/.claude/skills/db-mongo into .opencode/skills/db-mongo/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "db-mongo", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
db-mongo- GitHub stars
- 544
- Token cost
- ~1.1k tokens
- SKILL.md length
- 274 words
- Files
- 2 (incl. scripts)
- Skills in repo
- 117
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Runs read-only MongoDB finds, aggregations and collection listings against databases named in your .env, choosing the connection by label or index.
- Works in 4 steps: accounts to confirm the connection label. → collections to see what's in there. → find or aggregate with the smallest… → …
- Exploring the collections and documents in a MongoDB database
- SKILL.md covers Setup — one-time, per database, Usage, Output shape and Guardrails, plus 4 more sections
- Runs Python scripts from its folder; calls python3 and uv; needs DB_MONGO_2_PASSWORD
What it does
This skill queries MongoDB databases declared in `.env` as numbered `DB_MONGO_N_*` blocks. Each block needs a label and either a connection URI, recommended for Atlas or managed clusters, or separate host, port and credential values; the URI wins when both are present. A Python client, `scripts/db_client.py`, offers commands to list connections, ping one, find documents, run aggregation pipelines and list collections, and it prints each result as a single JSON line.
Guardrails make it safer to point at real data: connections are read-only by default, aggregation pipelines with `$out` or `$merge` are refused unless that block sets `ALLOW_WRITE=true`, results stop at `MAX_ROWS` (default 1000), timeouts apply, and the account listing strips passwords. Errors come back as named codes such as `connection_failed`, `invalid_pipeline` and `driver_missing`, the last meaning that `pymongo` is not installed.
When your agent uses it
- Exploring the collections and documents in a MongoDB database
- Running an aggregation to audit data, such as totals by product
- Health-checking a configured MongoDB connection before querying
Example prompts
- “Using the orders-dev connection, list the collections and show me ten customers.”
- “Run an aggregation on analytics-prod that counts paid orders per product.”
- “Ping the orders-dev MongoDB connection and tell me whether it is reachable.”
Requirements
- Python with pymongo
- A .env file with DB_MONGO_N_* connection blocks
- Network access to the MongoDB server
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- accounts to confirm the connection label.
- collections to see what's in there.
- find or aggregate with the smallest query that answers the question.
- If a pipeline is expensive, ask the user whether to $limit earlier or add indexes before running.
What it can do on your machine
Read from SKILL.md and the folder at commit 7f5dd76. 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
Ships 1 file in scripts/ (Python), which the agent can run.
Shell commands in SKILL.md call:
python3uv
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
mongodb.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names these keys or tokens, usually read from environment variables:
DB_MONGO_2_PASSWORD
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
MongoDB Query Client loads about 1.1k tokens when it runs. Until then it costs about 79 tokens; SKILL.md has 274 words of instructions outside code blocks.
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: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NoteMentions a .env fileSKILL.md:3
: "Query MongoDB databases configured in .env (DB_MONGO_N_*). Use when the user asks to query, explore, or audit data in - NoteMentions a .env fileSKILL.md:19
Query MongoDB databases declared in `.env`. Same numbered block pattern as every other `db-*` and `SOCIAL_*_N_*` integra - NoteMentions a .env fileSKILL.md:23
Add a block to `.env` (gitignored). Two ways to define a connection: - NoteMentions a .env fileSKILL.md:111
- **Credentials** never leave `.env`; `accounts` strips password before returning.
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); the scripts in this folder are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 274 words (~1,145 tokens).
“Query MongoDB databases declared in .env. Same numbered block pattern as every other db-* and SOCIAL_*_N_* integration.”
- name
- db-mongo
Files
SKILL.md and 1 other file (scripts) in .claude/skills/db-mongo of evolution-foundation/evo-nexus.
- SKILL.md
- scripts/db_client.py
Open the folder on GitHubat commit 7f5dd76
Compare with similar skills
MongoDB Query Client 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| MongoDB Query Client this skillevolution-foundation/evo-nexus | 544 | — | ~1.1k | Automated safety check: Notes | Custom licence | |
| Whodbxiaoyuge886/aigc | 198 | — | ~894 | Automated safety check: Pass | MIT | |
| Mongodb Guide Skilljiushiwon/wg-skills | 110 | — | ~1.7k | Automated safety check: Pass | Apache-2.0 | |
| Mongodb BackupsTheDecipherist/claude-code-mastery-project-starter-kit | 338 | — | ~1.3k | Automated safety check: Pass | MIT | |
| Mongodb Search And AImongodb/agent-skills | 190 | 1 repos | ~1.7k | Automated safety check: Pass | Apache-2.0 | |
| Fastapi Init Skilljiushiwon/wg-skills | 110 | — | ~1.8k | Automated safety check: Notes | Apache-2.0 |
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Categories
Questions about MongoDB Query Client
What does MongoDB Query Client do?
Runs read-only MongoDB finds, aggregations and collection listings against databases named in your .env, choosing the connection by label or index. env` as numbered `DB_MONGO_N_*` blocks. Each block needs a label and either a connection URI, recommended for Atlas or managed clusters, or separate host, port and credential values; the URI wins when both are present.
When should I use MongoDB Query Client?
MongoDB Query Client fits situations like: exploring the collections and documents in a MongoDB database; running an aggregation to audit data, such as totals by product; health-checking a configured MongoDB connection before querying.
How do I install MongoDB Query Client in Claude Code?
Run `npx skills add evolution-foundation/evo-nexus --skill db-mongo -a claude-code`. Or copy the skill folder (.claude/skills/db-mongo in evolution-foundation/evo-nexus) into .claude/skills/db-mongo in your project. Claude Code loads it when a task matches its description.
How do I install MongoDB Query Client in Codex?
Run `npx skills add evolution-foundation/evo-nexus --skill db-mongo -a codex`. Or copy the skill folder (.claude/skills/db-mongo in evolution-foundation/evo-nexus) into .agents/skills/db-mongo in your project. Codex loads it when a task matches its description.
Can I use MongoDB Query Client 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 evolution-foundation/evo-nexus --skill db-mongo -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/db-mongo, .gemini/skills/db-mongo, .github/skills/db-mongo and .opencode/skills/db-mongo in your project.
What does MongoDB Query Client need to run?
Going by SKILL.md and its folder, MongoDB Query Client needs Python for the scripts in its folder, the command-line tools its instructions call (python3 and uv) and credentials named DB_MONGO_2_PASSWORD. Our summary lists: Python with pymongo; A .env file with DB_MONGO_N_* connection blocks; Network access to the MongoDB server.
Does MongoDB Query Client access the network?
SKILL.md names 1 domain. As links in the text: mongodb.com. This is read from the text; nothing was executed.
Is MongoDB Query Client safe to install?
Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does MongoDB Query Client use?
MongoDB Query Client has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does MongoDB Query Client use?
About 1.1k tokens (SKILL.md is roughly 4.6k 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 MongoDB Query Client?
Skills that share tags, products or a category with MongoDB Query Client: Whodb (xiaoyuge886/aigc, 198 stars), Mongodb Guide Skill (jiushiwon/wg-skills, 110 stars), Mongodb Backups (TheDecipherist/claude-code-mastery-project-starter-kit, 338 stars) and Mongodb Search And AI (mongodb/agent-skills, 190 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains MongoDB Query Client?
evolution-foundation (a GitHub organization) maintains it in evolution-foundation/evo-nexus, which has 544 GitHub stars. The repository holds 117 skills in this directory. The repository was last updated on May 13, 2026.
Source: evolution-foundation/evo-nexus on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.