A guide for connecting software to databases through Arrow Database Connectivity, or ADBC, a common interface for database drivers. It covers finding and installing the driver needed for a database.

Use it when connecting to a database, selecting an ADBC driver, installing that driver, or setting up reproducible database connection configuration.

It gives database work a repeatable setup path and checks whether a suitable driver exists. This avoids guessing which package or installation method is required.

adbc — Skill by Kilo-Org

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add skills/kilo-org/kilo-marketplace/adbc

Any agent

npx skills add Kilo-Org/kilo-marketplace --skill adbc

Clone the repo

git clone --depth 1 https://github.com/Kilo-Org/kilo-marketplace

Made for: Claude Code, Codex.

Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,010 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5	$0.00027	$0.01010
Opus 5	$0.00014	$0.00505
Sonnet 5	$0.00005	$0.00202
Haiku 4.5	$0.00003	$0.00101

Measured yesterday against content hash 8a9b85e069a5, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

adbc scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/adbc/SKILL.md · 102 lines

How it starts

The opening of the file, as written. The whole thing — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Find a driver for a database

Use the dbc command line tool to find available drivers for a database. It's possible no driver may exist for the user's database of choice as not all databases have ADBC drivers.

Install dbc

If the user does not have dbc available, try to install it for them.

Prefer installing it with these commands, in order of preference, if the tool is available:

If uv is available: uv tool install dbc
If pipx is available: pipx install dbc
If brew is available: brew install columnar-tech/tap/dbc
On Windows, if winget is available: winget install dbc
Otherwise, direct the user to the installation docs: https://docs.columnar.tech/dbc/getting_started/installation/

Search for a driver

dbc search

Install a driver

Install a driver by running dbc install <DRIVER>. This is idempotent — if the driver is already installed, it is a no-op that simply reports the existing installation — so there is no need to check first before running it. Prefer to install drivers using dbc over installing driver packages from PyPI or Conda Forge.

For anything beyond a one-shot dbc install <DRIVER> — reproducible dbc.toml / dbc sync workflows, version pinning, or any other dbc subcommand — invoke the dbc skill rather than guessing at commands. In particular, note that there is no dbc list command.

Referring to drivers

Refer to drivers by their dbc short name and avoid specifying drivers with absolute paths.

Example: After running dbc install sqlite, refer to that driver as sqlite. For example:

from adbc_driver_manager import dbapi
dbapi.connect(driver="sqlite", db_kwargs={"uri": "foo.db"})

Don't use dbc info to find where drivers are installed and find their absolute paths on disk.

Programming Language

See the resources below depending on which language or languages the user wants to use:

C++: resources/languages/cpp.md
Go: resources/languages/go.md
JavaScript: resources/languages/javascript.md
Python: resources/languages/python.md
R: resources/languages/r.md
Rust: resources/languages/rust.md

Read the full file on GitHub · 102 lines

Files

What ships with it

15 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

yesterday First seen · 102 lines · 27 tokens per session scan A 8a9b85e069a5

Subscribe to this mod's changes

adbc is a skill published in the GitHub repository Kilo-Org/kilo-marketplace (172 stars, last pushed 11d ago), licensed Apache-2.0. It adds 27 tokens to every session and 1,010 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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