Forge MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 130 installs a week from pypi. Last commit 19 Oct 2026.
MCP server + tools for the Forge E-- generative-music authoring loop (compile / run / commit).
What the code does
We read the source, 22 h ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
subprocess.run(
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add forge-mcp -e 'FORGE_MCP_BEARER=<FORGE_MCP_BEARER>' -- uvx forge-recipe-mcp{
"mcpServers": {
"forge-mcp": {
"command": "uvx",
"args": [
"forge-recipe-mcp"
],
"env": {
"FORGE_MCP_BEARER": "<FORGE_MCP_BEARER>"
}
}
}
}[mcp_servers.forge-mcp]
command = "uvx"
args = ["forge-recipe-mcp"]
env = { FORGE_MCP_BEARER = "<FORGE_MCP_BEARER>" }{
"mcpServers": {
"forge-mcp": {
"command": "uvx",
"args": [
"forge-recipe-mcp"
],
"env": {
"FORGE_MCP_BEARER": "<FORGE_MCP_BEARER>"
}
}
}
}{
"servers": {
"forge-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"forge-recipe-mcp"
],
"env": {
"FORGE_MCP_BEARER": "<FORGE_MCP_BEARER>"
}
}
}
}Put your own value in place of
<FORGE_MCP_BEARER> (Bearer token forwarded to forge-transpile. Rotate by updating FORGE_TRANSPILE_SECRET on the upstream service and re-setting this. Dev fallback only when clients don't set Authorization on each request).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
FORGE_TRANSPILE_URL (Base URL of the forge-transpile service. Provides /catalog, /compile, /run, /resolve-slot endpoints backing the read/author tools), FORGE_VAULT_PATH (Local vault directory used by forge_read_notes_in_vault + forge_commit_recipe. Must exist and be writable).
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Forge MCP — questions
Answers built from our own checks of this server.