bdi-mental-states

bdi-mental-states is a skill for Claude Code, Codex from fabioc-aloha/Alex_Skill_Mall. It costs 53 tokens per session (4,052 once invoked), scanned A, a copy of bdi-mental-states, MIT.

A tool for modeling an agent’s beliefs, goals, and plans using BDI, a framework for describing how an intelligent system reasons and acts.

In plain words
What is it for?
Use it to process RDF data, model perception and decision cycles, track changing beliefs and intentions, and connect motivations to action plans.
Why use it?
It helps turn outside data into explicit mental states and traceable reasoning instead of leaving the agent’s assumptions and intentions implicit.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to process RDF data, model perception and decision cycles, track changing beliefs and intentions, and connect motivations to action plans.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/fabioc-aloha/alex_skill_mall/bdi-mental-states
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.

Any agent
npx skills add fabioc-aloha/Alex_Skill_Mall --skill bdi-mental-states
Clone the repo
git clone --depth 1 https://github.com/fabioc-aloha/Alex_Skill_Mall

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for bdi-mental-states

README.md
[![agentmods](https://agentmods.dev/badge/skills/fabioc-aloha/alex_skill_mall/bdi-mental-states/github.svg)](https://agentmods.dev/skills/fabioc-aloha/alex_skill_mall/bdi-mental-states)
Your own site
<a href="https://agentmods.dev/skills/fabioc-aloha/alex_skill_mall/bdi-mental-states"><img src="https://agentmods.dev/badge/skills/fabioc-aloha/alex_skill_mall/bdi-mental-states/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for bdi-mental-states

Your own site · 80×15
<a href="https://agentmods.dev/skills/fabioc-aloha/alex_skill_mall/bdi-mental-states"><img src="https://agentmods.dev/badge/skills/fabioc-aloha/alex_skill_mall/bdi-mental-states.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,052 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 98% copy Near-identical to another mod 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 $0.00053 $0.04052
Opus 5 $0.00026 $0.02026
Sonnet 5 $0.00011 $0.00810
Haiku 4.5 $0.00005 $0.00405

Measured 12d ago against content hash bfe1fe1bc151, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

bdi-mental-states 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 12d 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.

Origin

This is a copy

98% identical to bdi-mental-states — 8 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

plugins/ai-agents/bdi-mental-states/skills/bdi-mental-states/SKILL.md · 374 lines

How it starts

The opening of the file, as written. The whole thing — 374 lines — stays where its author put it; the contents beside it link to each section on GitHub.

BDI Mental State Modeling

Transform external RDF context into agent mental states (beliefs, desires, intentions) using formal BDI ontology patterns. This skill enables agents to reason about context through cognitive architecture, supporting deliberative reasoning, explainability, and semantic interoperability within multi-agent systems.

When to Activate

Activate this skill when:

  • Processing external RDF context into agent beliefs about world states
  • Modeling rational agency with perception, deliberation, and action cycles
  • Enabling explainability through traceable reasoning chains
  • Implementing BDI frameworks (SEMAS, JADE, JADEX)
  • Augmenting LLMs with formal cognitive structures (Logic Augmented Generation)
  • Coordinating mental states across multi-agent platforms
  • Tracking temporal evolution of beliefs, desires, and intentions
  • Linking motivational states to action plans

Do not activate this skill for adjacent work owned by other skills:

  • General context-window explanations or attention mechanics: context-fundamentals.
  • Persistent user, entity, or conversation memory without formal BDI state: memory-systems.
  • Supervisor, swarm, or handoff topology decisions: multi-agent-patterns.
  • General agent evaluation rubrics or quality gates: evaluation.

Core Concepts

Mental Reality Architecture

Separate mental states into two ontological categories because BDI reasoning requires distinguishing what persists from what happens:

Mental States (Endurants) -- model these as persistent cognitive attributes that hold over time intervals:

  • Belief: Represent what the agent holds true about the world. Ground every belief in a world state reference.
  • Desire: Represent what the agent wishes to bring about. Link each desire back to the beliefs that motivate it.
  • Intention: Represent what the agent commits to achieving. An intention must fulfil a desire and specify a plan.

Mental Processes (Perdurants) -- model these as events that create or modify mental states, because tracking causal transitions enables explainability:

  • BeliefProcess: Triggers belief formation/update from perception. Always connect to a generating world state.
  • DesireProcess: Generates desires from existing beliefs. Preserves the motivational chain.
  • IntentionProcess: Commits to selected desires as actionable intentions.

Read the full file on GitHub · 374 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. 12d ago First seen · 374 lines · 53 tokens per session scan A bfe1fe1bc151

Subscribe to this mod's changes

bdi-mental-states is a skill published in the GitHub repository fabioc-aloha/Alex_Skill_Mall (4 stars, last pushed yesterday), licensed MIT. It adds 53 tokens to every session and 4,052 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 98% identical to bdi-mental-states, differing in 8 lines, and is treated as a copy.

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