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dank-mcp: Instructions file for Codex

AGENTS.md

dank-mcp AGENTS.md is an instructions file for Codex, OpenCode from AgentDank/dank-mcp. It costs 1,055 tokens per session, scanned A, original, MIT.

Contributor instructions for dank-mcp, a server that lets language models query cannabis datasets with SQL, a language for working with tables. It uses DuckDB, a database designed for analytics.

In plain words
What is it for?
Use it when modifying the server, adding dataset bindings, or understanding its query and data-access structure.
Why use it?
It explains the project's current architecture and safety settings so contributors do not break its read-only data access.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

This is AgentDank/dank-mcp's own configuration. It tells Codex and OpenCode how to work on dank-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything dank-mcp configures →

not rated 3repo 6mo ago A scan 1,055 tokens original MIT
View source ↗ AgentDank/dank-mcp
Reuse

Borrowing it

Nothing to install: this file belongs to AgentDank/dank-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/AgentDank/dank-mcp/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/AgentDank/dank-mcp

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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Per session 1,055 This file is loaded in full into every session.
When invoked 1,055 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.01055 $0.01055
Opus 5.5 $0.00422 $0.00422
Sonnet 5.5 $0.00211 $0.00211
Haiku 4.5 $0.00105 $0.00105

Measured 2mo ago against content hash 17ab72490e53, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dank-mcp AGENTS.md 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 2mo ago.

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.

AGENTS.md · 75 lines

How it starts

The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Guidance for AI agents (and humans) working on dank-mcp. User-facing documentation lives in README.md; this file is for contributors modifying the code.

What this repo is

dank-mcp is an MCP server that exposes cannabis datasets to LLMs via SQL over DuckDB. It is published under the AgentDank organization.

Current state

  • No datasets are bundled. The prior hand-rolled Connecticut (CT) brands handlers were removed in the transition to a generic binding architecture.
  • The server registers one MCP tool, query, which executes arbitrary SQL against DuckDB and returns CSV.
  • DuckDB is opened with access_mode=read_only and has SET enable_external_access=false applied via db.RunSafeMode. Both layers matter; don't remove one assuming the other covers it.

Architectural direction

The project is moving from per-dataset Go code toward declarative dataset bindings:

  • pkg/dank.Registrar is the contract new datasets should implement (GetMigrationUp/Down, GetResources, GetTools, Fetch).
  • Binding, ResourceQuery, ToolQuery structs in pkg/dank/dank.go carry JSON tags; intent is config-driven wiring rather than bespoke Go per dataset.
  • internal/mcp.ToolMap is a map[string]ToolRegistrationFunc that lets multiple datasets plug into the server side-by-side.

Layout

  • main.go — CLI entry; opens DuckDB, migrates, reopens read-only, applies safe mode, registers tools, runs the MCP router.
  • data/ — cache paths and .dank root directory management (EnsureDankPath, GetDankDir, etc.).
  • internal/db/ — migrations (duckdb_up.sql, duckdb_safe.sql), RunMigration, RunSafeMode, and the RowsToCSV helper.
  • internal/mcp/ — server.go (router + ToolMap pattern) and tool.go (the generic query tool).
  • pkg/dank/ — the binding contracts (currently types only; no implementations yet).

Dataset catalog

Datasets are resolved via a remote catalog.json hosted at:

Read the full file on GitHub · 75 lines

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.

  1. 2mo ago First seen · 75 lines · 1,055 tokens per session scan A 17ab72490e53

Subscribe to this mod's changes

dank-mcp AGENTS.md is an instructions file published in the GitHub repository AgentDank/dank-mcp (3 stars, last pushed 6mo ago), licensed MIT. It adds 1,055 tokens to every session, about $0.0042 per session on Opus 5.5. 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 2026-08-31.

Analytics and metricsDatabasesLLMcannabisdankmcp
Related

dank-mcp AGENTS.md compared with instructions from other repositories

dank-mcp AGENTS.md next to 6 instructions from other repositories
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