Debug microcontrollers via OpenOCD: flash, breakpoints, memory, registers and variables.
Connect Runs on your machine
claude mcp add openocd-mcp -e OPENOCD_BIN=<OPENOCD_BIN> -e OPENOCD_MCP_CONFIG=<OPENOCD_MCP_CONFIG> -e OPENOCD_MCP_READONLY=<OPENOCD_MCP_READONLY> -- uvx openocd-mcp==0.4.5
{
"mcpServers": {
"openocd-mcp": {
"command": "uvx",
"args": [
"openocd-mcp==0.4.5"
],
"env": {
"OPENOCD_BIN": "<OPENOCD_BIN>",
"OPENOCD_MCP_CONFIG": "<OPENOCD_MCP_CONFIG>",
"OPENOCD_MCP_READONLY": "<OPENOCD_MCP_READONLY>"
}
}
}
}
{
"mcpServers": {
"openocd-mcp": {
"command": "uvx",
"args": [
"openocd-mcp==0.4.5"
],
"env": {
"OPENOCD_BIN": "<OPENOCD_BIN>",
"OPENOCD_MCP_CONFIG": "<OPENOCD_MCP_CONFIG>",
"OPENOCD_MCP_READONLY": "<OPENOCD_MCP_READONLY>"
}
}
}
}
{
"servers": {
"openocd-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"openocd-mcp==0.4.5"
],
"env": {
"OPENOCD_BIN": "<OPENOCD_BIN>",
"OPENOCD_MCP_CONFIG": "<OPENOCD_MCP_CONFIG>",
"OPENOCD_MCP_READONLY": "<OPENOCD_MCP_READONLY>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
OPENOCD_BINOptional | Path to OpenOCD binary; optional. |
OPENOCD_MCP_CONFIGOptional | Path to openocd-mcp.json config; optional. |
OPENOCD_MCP_READONLYOptional | Set to 1 to force read-only mode; optional. |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 2 Jul 2026 |
| Last updated | 2 Jul 2026 |
| Registry name | io.github.microhenrio/openocd-mcp |
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