Skip to content

fix(mcp): tell the agent where run_command runs #91

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vishr merged 2 commits into from
Oct 31, 2026
Merged

fix(mcp): tell the agent where run_command runs #91

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c1f51fe
fix(mcp): tell the agent where run_command runs
vishr Oct 31, 2026
f067ee1
fix(mcp): describe the empty scratch home and how to extend PATH
vishr Oct 31, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion internal/mcp/actions.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ func registerActions(s *sdk.Server, o Options) {
name, description string
properties map[string]any
}{
{"run_command", "Run one local bounded command through broker preparation and approval. Use literal argv or an explicit shell script; 120 second default, 600 maximum. Process and destructive commands always need a person.", map[string]any{"argv": map[string]any{"type": "array", "items": map[string]string{"type": "string"}, "minItems": 1}, "script": map[string]any{"type": "string", "minLength": 1}, "cwd": map[string]string{"type": "string"}, "timeout_seconds": map[string]any{"type": "integer", "minimum": 0, "maximum": 600}, "network": map[string]string{"type": "boolean"}}},
{"run_command", "Run one local bounded command through broker preparation and approval. Use literal argv or an explicit shell script; 120 second default, 600 maximum. Process and destructive commands always need a person. Commands run with HOME and TMPDIR in a private, initially empty scratch directory, so tools that default to the home directory see no user caches, config or credentials and act on scratch instead, and with PATH=/usr/bin:/bin:/usr/sbin:/sbin. To run other programs, set PATH in a script, such as PATH=/opt/homebrew/bin:$PATH npm test, since many of them start their interpreter through /usr/bin/env. Writes outside the project and scratch are refused.", map[string]any{"argv": map[string]any{"type": "array", "items": map[string]string{"type": "string"}, "minItems": 1}, "script": map[string]any{"type": "string", "minLength": 1}, "cwd": map[string]string{"type": "string"}, "timeout_seconds": map[string]any{"type": "integer", "minimum": 0, "maximum": 600}, "network": map[string]string{"type": "boolean"}}},
{"answer_prompt", "Answer one pending local Claude permission prompt. Always requires a person in every mode.", map[string]any{"id": map[string]string{"type": "string"}, "allow": map[string]string{"type": "boolean"}}},
{"ack_inbox", "Acknowledge a local inbox id or all local items.", map[string]any{"id": map[string]string{"type": "string"}, "all": map[string]string{"type": "boolean"}}},
{"jump", "Jump to a local session terminal. Never types into the terminal.", map[string]any{"session_id": map[string]string{"type": "integer"}}},
Expand Down
2 changes: 1 addition & 1 deletion site/src/content/docs/reference/mcp-tools.mdx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -378,7 +378,7 @@ No inputs.

### run_command

Run one local bounded command through broker preparation and approval. Use literal argv or an explicit shell script; 120 second default, 600 maximum. Process and destructive commands always need a person.
Run one local bounded command through broker preparation and approval. Use literal argv or an explicit shell script; 120 second default, 600 maximum. Process and destructive commands always need a person. Commands run with HOME and TMPDIR in a private, initially empty scratch directory, so tools that default to the home directory see no user caches, config or credentials and act on scratch instead, and with PATH=/usr/bin:/bin:/usr/sbin:/sbin. To run other programs, set PATH in a script, such as PATH=/opt/homebrew/bin:$PATH npm test, since many of them start their interpreter through /usr/bin/env. Writes outside the project and scratch are refused.

| Input | Type | Required | Description |
|---|---|---|---|
Expand Down
Loading