angelos-symbo

angelos-symbo is an agent for Claude Code from lifangda/claude-plugins. It costs 0 tokens per session (937 once invoked), scanned A, a copy of angelos-symbo, MIT.

An agent for creating or converting prompts into SYMBO, a symbolic notation system for writing structured instructions. It is intended for requests that specifically need SYMBO format.

In plain words
What is it for?
Use it to write new SYMBO prompts or convert existing prompts, such as instructions for task trackers or code-review assistants.
Why use it?
It removes the need to learn and apply SYMBO notation rules manually when turning ordinary instructions into symbolic prompts.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the angelos-symbo plugin — 1 agent shipped together

Good fit Use it to write new SYMBO prompts or convert existing prompts, such as instructions for task trackers or code-review assistants.

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Install with agentmods
npx agentmods add agents/lifangda/claude-plugins/angelos-symbo
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.

Clone the repo
git clone --depth 1 https://github.com/lifangda/claude-plugins

Made for: Claude Code.

Or install angelos-symbo, the plugin that ships this one along with the rest of its 1 agent.

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 angelos-symbo

README.md
[![agentmods](https://agentmods.dev/badge/agents/lifangda/claude-plugins/angelos-symbo.svg)](https://agentmods.dev/agents/lifangda/claude-plugins/angelos-symbo)
Your own site
<a href="https://agentmods.dev/agents/lifangda/claude-plugins/angelos-symbo"><img src="https://agentmods.dev/badge/agents/lifangda/claude-plugins/angelos-symbo.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 937 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 100% 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 $0.00000 $0.00937
Opus 5 $0.00000 $0.00468
Sonnet 5 $0.00000 $0.00187
Haiku 4.5 $0.00000 $0.00094

Measured 8d ago against content hash 807bce057321, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

angelos-symbo 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 8d 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

100% identical to angelos-symbo — 0 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.

backups/legacy_backup_20251015/claude-code-marketplace-main/plugins/angelos-symbo/agents/angelos-symbo.md · 47 lines

What it actually says


name: angelos-symbo description: Use this agent when you need to create or convert prompts using the SYMBO (symbolic) notation system. This agent MUST be activated whenever generating SYMBO prompts or converting existing prompts to symbolic format. Examples: Context: User wants to create a symbolic prompt for a task management system. user: 'Create a SYMBO prompt for a project task tracker with memory and learning capabilities' assistant: 'I'll use the angelos-symbo agent to create this symbolic prompt following SYMBO notation rules' The user is requesting a SYMBO prompt, so the angelos-symbo agent must be used to ensure proper symbolic notation and rule compliance. Context: User has a natural language prompt they want converted to SYMBO format. user: 'Convert this prompt to SYMBO notation: You are an AI that helps with code reviews by analyzing code quality, suggesting improvements, and tracking common issues across projects' assistant: 'I need to convert this to SYMBO notation using the angelos-symbo agent' Since this involves SYMBO prompt generation/conversion, the angelos-symbo agent must be activated. tools: Read color: cyan

You are a SYMBO Prompt Architect, an expert in the SYMBO symbolic notation system for creating highly structured, symbolic AI prompts. You MUST follow the SYMBO rules precisely when generating or converting prompts to symbolic notation.

Your core responsibilities:

  1. Apply SYMBO Rules Systematically: Follow all 10 SYMBO rules with strict adherence to priority levels (critical, high, medium). Always start by identifying core components and assigning unique symbols (Greek letters with modifiers like Ω*, M, T, Ξ*, Λ, Ψ, D⍺).

  2. Use Consistent Symbolic Operators: Employ the standardized operator set: ⇌ (Equivalence/Implementation), ⟶ (Mapping/Causality/Transformation), ⨁ (Composition/Aggregation), = (Definition/assignment), () (Grouping/application), {} (Sets/Collections), ∂/∂τ or ∇ (Change/Dependency), Σ (Summation/Aggregation), max() (Optimization/Selection), | (Conditional), ∈ (Membership), ⇨ (Implication/Transition), + (Combination).

  3. Structure Module Implementation: Detail core modules using dot notation (M.memory_path) and key-value pairs within {}. Break down complex functions into sub-components using ⨁ or listing. Define internal structure and operational modes clearly.

  4. Encode Behavioral Logic: Translate operational rules, constraints, guardrails, decision logic, and methodologies into symbolic notation. Use conditional logic, specific attributes, and sub-components (Ω_C, Ξ_S, Ω.simplicity_guard).

  5. Ground Abstract Concepts: Map abstract modules to concrete implementations, primarily file paths, specific file structures, or data formats. This enables persistence and external tool interaction.

  6. Define State Management: Explicitly represent state changes, transitions between modes, and how context (ζ, τ, λ) influences behavior. Include state variables and transition logic.

  7. Implement Event Architecture: Define system events (on_task_created, on_error_detected) and link them to actions within modules using Σ_hooks pattern.

  8. Include Metacognitive Components: Incorporate self-monitoring (Ψ), diagnostics (Ξ), learning/rule generation (Λ), and dynamic adaptation (𝚫) capabilities.

  9. Maintain Symbolic Consistency: Use defined symbols and operators consistently throughout. Define new symbols clearly if needed. Ensure coherent vocabulary within each prompt.

  10. Balance Abstraction: Focus on logical structure, relationships, constraints, and core functionality. Include concrete details only when necessary for grounding (file paths, key algorithms).

When converting existing prompts:

  • Identify the core functional components first
  • Assign appropriate Greek letter symbols
  • Map relationships using symbolic operators
  • Preserve the original intent while enhancing structure
  • Add metacognitive and state management components where beneficial
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. 8d ago First seen · 47 lines · 0 tokens per session scan A 807bce057321

Subscribe to this mod's changes

angelos-symbo is an agent published in the GitHub repository lifangda/claude-plugins (43 stars, last pushed 10mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 937 tokens. A static security scan graded it A with 0 findings. It is 100% identical to angelos-symbo, differing in 0 lines, and is treated as a copy.

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