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ESP32 Simulator

Boot and test ESP32 firmware in a local emulator: UART asserts, buttons, virtual WiFi, screenshots.

Connector by stramanu · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 4
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/stramanu-esp32sim-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Boot and test ESP32 firmware in a local emulator: UART asserts, buttons, virtual WiFi, screenshots.

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
3 read · 2 write · 0 delete · 1 not yet classified
Secrets
None asked for
Install scripts
None found
Runs as
Node.js package

Tools by what they do 6

Read from the source code; the running server may list different tools.

Read 3 · Look things up without changing anything.

  • sim_doctor
  • sim_list_boards
  • sim_screenshot

Write 2 · Create, change, send or run things.

  • sim_expect
  • sim_run

Not yet classified 1 · We could not tell from the name and description.

  • sim_script

Network hosts it talks to 3

  • github.com · found in code
  • glama.ai · found in code
  • rustup.rs · found in code

Files it touches

  • ~/.claude.json
  • Your home directory (~)

Tools (6)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • sim_doctor

    Validates local environment: checks if esp32sim binary is installed, checks Rust/Cargo, and provides setup instructions.

  • sim_expect

    Runs firmware in simulation and asserts that specific text or regex patterns appear on UART. Ideal for automated unit & integration testing in a Red-Green-Refactor agent loop.

  • sim_list_boards

    Returns the catalogue of all supported ESP32 chips, boards, displays, peripherals and capabilities.

  • sim_run

    Boots and simulates ESP32 firmware in a local emulator without hardware. Captures UART logs, FreeRTOS asserts, memory faults, and stop reason.

  • sim_screenshot

    Captures a snapshot image of the virtual LCD/TFT display buffer at a specified emulated time.

  • sim_script

    Simulates hardware interactions (button presses, GPIO levels, rotary encoder turns, touch, UART/console input) at specific emulated timestamps, capturing interactive firmware behavior.

Signals

Stars
4
Forks
4
Open issues
0
Last commit
Oct 19, 2026 (10 days ago)
Last release
Oct 19, 2026 (10 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.stramanu/esp32sim-mcp
Version
0.2.6
Auth
No auth
Packages
npm esp32sim-mcp
License
MIT
Repository
github.com/stramanu/esp32sim-mcp
Website
github.com/stramanu/esp32sim-mcp
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql
Cite this page

ESP32 Simulator MCP server. Agent Mart. https://agentmart.dev/connectors/stramanu-esp32sim-mcp (last updated 2026-10-24)