ckan-mcp-server: Instructions file for Codex

AGENTS.md

ckan-mcp-server AGENTS.md is an instructions file for Codex, OpenCode from ondata/ckan-mcp-server. It costs 1,487 tokens per session, scanned A, original, MIT.

Project instructions for CKAN MCP Server, a Node.js and TypeScript service that connects AI assistants to CKAN open-data portals. They cover the project’s agent guide, supported tools, commands, tests, and deployment setup.

In plain words
What is it for?
They help with development, testing, building, local running, Cloudflare Workers deployment, and checking the project’s instruction files.
Why use it?
They give coding assistants one reference for the repository’s scope, technology choices, and operating commands.

Instructions file for CodexOpenCode

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

This is ondata/ckan-mcp-server's own configuration. It tells Codex and OpenCode how to work on ckan-mcp-server 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 ckan-mcp-server configures →

Not installable: its command points at a path on the author’s own machine, so it runs nowhere else. The line is /home/aborruso/git/idee/ckan-mcp-server/dist/index.js.

Reuse

Borrowing it

Nothing to install: this file belongs to ondata/ckan-mcp-server. 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/ondata/ckan-mcp-server/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/ondata/ckan-mcp-server

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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Per session 1,487 This file is loaded in full into every session.
When invoked 1,487 The same file — it is already loaded in full.
Security scan A 1 finding. 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 $0.01487 $0.01487
Opus 5.5 $0.00595 $0.00595
Sonnet 5.5 $0.00297 $0.00297
Haiku 4.5 $0.00149 $0.00149

Measured 1mo ago against content hash 26d94c8ec8d6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ckan-mcp-server AGENTS.md scanned grade A with 1 finding 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 1mo 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -X POST http://localhost:3001/mcp \
AGENTS.md · 179 lines

How it starts

The opening of the file, as written. The whole thing — 179 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OpenSpec Instructions

These instructions are for AI assistants working in this project.

Always open @/openspec/AGENTS.md when the request:

  • Mentions planning or proposals (words like proposal, spec, change, plan)
  • Introduces new capabilities, breaking changes, architecture shifts, or big performance/security work
  • Sounds ambiguous and you need the authoritative spec before coding

Use @/openspec/AGENTS.md to learn:

  • How to create and apply change proposals
  • Spec format and conventions
  • Project structure and guidelines

Keep this managed block so 'openspec update' can refresh the instructions.

Agent Guide

Scope

  • Repo: ckan-mcp-server
  • Stack: Node.js + TypeScript (ESM)
  • Tests: Vitest
  • Build: esbuild
  • Cloudflare Workers: wrangler

Cursor and Copilot Rules

  • No .cursor/rules, .cursorrules, or .github/copilot-instructions.md found

Commands

Install: npm install

Build: npm run build | npm run build:tsc | npm run build:worker

Run: npm start | npm run dev | npm run watch | npm run dev:worker | npm run deploy

Test: npm test | npm run test:watch | npm run test:coverage

Single test: npm test -- tests/unit/http.test.ts | npm test -- -t "testName"

Local MCP Client Build Test

Before deploying, you can test the current dev build by pointing your MCP client at the Node entrypoint in dist/:

  1. Build: npm run build
  2. Example absolute path: /home/aborruso/git/idee/ckan-mcp-server/dist/index.js (adjust to your local checkout)

GitHub CLI Notes

When creating issues with multi-line bodies, avoid literal \n in --body. Use a here-doc or -F - to preserve newlines:

cat <<'EOF' | gh issue create --title "Title" --body-file - --repo ondata/ckan-mcp-server
Line 1
Line 2
EOF

When writing GitHub release notes, avoid literal \n in --notes. Always pass a here-doc via --notes-file - so line breaks render correctly:

Read the full file on GitHub · 179 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. 1mo ago First seen · 179 lines · 1,487 tokens per session scan A 26d94c8ec8d6

Subscribe to this mod's changes

ckan-mcp-server AGENTS.md is an instructions file published in the GitHub repository ondata/ckan-mcp-server (59 stars, last pushed yesterday), licensed MIT. It adds 1,487 tokens to every session, about $0.0059 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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