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mantle-tx-simulator

Prepare Mantle transaction simulation handoffs and generate WYSIWYS summaries.

4|3|Updated Mar 12, 2026
Search Tags:#blockchain#mantle#wysiwys#pre-signing#tx-simulation#state-diffs#simulation-backends
One-click install
npx skills add https://github.com/mantle-xyz/mantle-skills --skill mantle-tx-simulator-mantle-xyz
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mantle-tx-simulator
Source: https://github.com/mantle-xyz/mantle-skills/tree/main/skills/mantle-tx-simulator
Command: npx skills add https://github.com/mantle-xyz/mantle-skills --skill mantle-tx-simulator-mantle-xyz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Mantle transaction simulations require deterministic pre-signing validation and a clear, user-facing interpretation of results before execution. This skill provides structured handoffs to external backends and generates a human-readable WYSIWYS summary to guide signing decisions.

Core Features & Use Cases

  • External backend handoff packaging: normalize a tx payload, network, and pre-state context for simulation backends.
  • Pre-signing WYSIWYS generation: translate backend results into plain-language expectations for users.
  • Deterministic guardrails: enforce do-not-execute when evidence is missing or inconclusive.

Quick Start

Provide a pre-signing simulation handoff package for Mantle transactions and review the resulting WYSIWYS summary.

Frequently Asked Questions about mantle-tx-simulator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is pre-signing WYSIWYS validation for Mantle transactions?▼

Pre-signing WYSIWYS validation for Mantle transactions translates backend simulation results into plain-language expectations, showing users exactly what they are signing before execution. It uses deterministic guardrails to prevent execution when evidence is missing.

How do I prepare a Mantle transaction simulation for an external backend?▼

To prepare a Mantle transaction simulation, normalize your transaction payload, network parameters, and pre-state context into a structured handoff package for the simulation backend to process. This includes capturing bundle contexts and post-execution evidence.

Can I use this to capture state diffs before broadcasting a Mantle transaction?▼

Yes, you can capture state diffs by running pre-state capture and post-execution evidence collection across configurable backends to generate a structured Simulation Report for validation. This ensures deterministic pre-signing outcomes.

Does the simulation handoff enforce rules when backend evidence is inconclusive?▼

Yes, the simulation handoff enforces deterministic guardrails that strictly prevent transaction execution when evidence is missing or inconclusive to protect the user's signing decision. This ensures safe pre-signing validation.

What is the best way to validate Mantle bundle contexts before signing?▼

The best way to validate Mantle bundle contexts is to package them with pre-state capture data for external simulation backends, reviewing the resulting WYSIWYS summary for clear expectations. This guides safe signing decisions.

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