cumulocity-dynamic-mapper: Instructions file for Codex

AGENTS.md

cumulocity-dynamic-mapper AGENTS.md is an instructions file for Codex, OpenCode from Cumulocity-IoT/cumulocity-dynamic-mapper. It costs 646 tokens per session, scanned A, original, Apache-2.0.

Repository instructions for Cumulocity Dynamic Mapper, a service that transforms JSON messages between message brokers and the Cumulocity IoT platform.

In plain words
What is it for?
Use them when changing the mapper service, connectors, extensions, Angular interface, or TypeScript-based Smart Functions.
Why use it?
They help developers find the right module and documentation in a project containing a Java backend, web interface, extensions, and message-processing functions.

Instructions file for CodexOpenCode

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

This is Cumulocity-IoT/cumulocity-dynamic-mapper's own configuration. It tells Codex and OpenCode how to work on cumulocity-dynamic-mapper 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 cumulocity-dynamic-mapper configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Cumulocity-IoT/cumulocity-dynamic-mapper. 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/Cumulocity-IoT/cumulocity-dynamic-mapper/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/Cumulocity-IoT/cumulocity-dynamic-mapper

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/cumulocity-iot/cumulocity-dynamic-mapper/agents-md"><img src="https://agentmods.dev/badge/instructions/cumulocity-iot/cumulocity-dynamic-mapper/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 646 This file is loaded in full into every session.
When invoked 646 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 $0.00646 $0.00646
Opus 5.5 $0.00258 $0.00258
Sonnet 5.5 $0.00129 $0.00129
Haiku 4.5 $0.00065 $0.00065

Measured 1mo ago against content hash be738f22bf42, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cumulocity-dynamic-mapper 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 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.

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 · 50 lines

How it starts

The opening of the file, as written. The whole thing — 50 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Cumulocity Dynamic Mapper — Agent Guidelines

Maps arbitrary JSON payloads between message brokers (MQTT, Kafka, HTTP, AMQP, Pulsar) and the Cumulocity IoT REST API in both directions (inbound and outbound), with a graphical or JavaScript-based mapping editor.

This file is an index. Read only the document relevant to your task — don't read everything. Module structure, key technologies and exact version pins live in one place — docs/architecture.md — rather than repeated here, so they don't drift out of sync with it (they had: this file previously claimed Java 21 / Spring Boot 3.3.5 / c8y 2026.13.0 where pom.xml actually pins Java 25 / Spring Boot 4.0.7 / c8y 2026.46.0).


Documentation Map

Working on… Start here
System overview — components, brokers, payload/transformation types, message flow docs/architecture.md
Backend — microservice packages, conventions, build/test docs/backend.md
↳ packages & message flow docs/backend/architecture.md
↳ thread safety, connectors, extensions, multi-tenancy docs/backend/conventions.md
↳ build & test docs/backend/build-test.md
Frontend — Angular plugin structure, components, build/test docs/ui.md
↳ folder structure & services docs/ui/architecture.md
↳ drawer components & CSS conventions docs/ui/components.md
↳ build, deploy & test docs/ui/build-test.md
Smart Functions — GraalVM JavaScript callbacks docs/smart-functions.md
Extensions — custom connectors & Java processor extensions docs/extensions.md
Installing / deploying docs/installation.md
Test strategy — all four layers docs/testing.md
Everything else docs/README.md

Read the full file on GitHub · 50 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 Changed · -15 lines · -41 tokens per session be738f22bf42
  2. 2mo ago First seen · 65 lines · 687 tokens per session scan A f65aa4643eed

Subscribe to this mod's changes

cumulocity-dynamic-mapper AGENTS.md is an instructions file published in the GitHub repository Cumulocity-IoT/cumulocity-dynamic-mapper (19 stars, last pushed today), licensed Apache-2.0. It adds 646 tokens to every session, about $0.0026 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 2026-08-30.

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