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feat(cli): addcoder exp mcp command#17066
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5223489 to19a504cComparecoder exp mcp command
mtojek left a comment• edited
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edited
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Reviewed.
I'll admit that command validation is a debatable approach, as it can be relatively easy to bypass.
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mcp/tools/tools_coder.go Outdated
| if deps.Client == nil { | ||
| return nil, xerrors.New("developer error: client is required") | ||
| } | ||
| templates, err := deps.Client.Templates(ctx, codersdk.TemplateFilter{}) |
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is there risk of pagination?
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Right now, that endpoint is not paginated. There are some query parameters we could pass in, such asdeleted,organization_id,exact_name etc.
mcp/tools/tools_coder.go Outdated
| defer conn.Close() | ||
| var buf bytes.Buffer | ||
| if _, err := io.Copy(&buf, conn); err != nil { |
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What if the command is supposed to take more time, should we stream the response?
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Yeah I'd like to look into this as a future enhancement.
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mcp/tools/tools_coder.go Outdated
| // TODO: Waiting on support for tasks. | ||
| deps.Logger.Info(ctx, "report task tool called", slog.F("summary", summary), slog.F("link", link), slog.F("done", done), slog.F("emoji", emoji)) | ||
| /* |
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dead code on purpose?
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We can remove this if you prefer, but I was anticipating this being ready sooner.
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mcp/tools/tools_coder.go Outdated
| // Example payload: | ||
| // {"jsonrpc":"2.0","id":1,"method":"tools/call", "params": {"name": "coder_workspace_exec", "arguments": {"workspace": "dev", "command": "ps -ef"}}} | ||
| func handleCoderWorkspaceExec(deps ToolDeps) mcpserver.ToolHandlerFunc { |
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Is there any way to pass tracing data? for instance, for how long was the command running?
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For whom is this data intended? For now, I've returned it in the response as JSON.
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I was wondering if the MCP protocol has space for such metadata. If somebody wants to visualize some metrics around calls, it seems to be channel to pass all tracing info.
EDIT:
I thought about data we can display on theTracing chart.
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There doesn't seem to be, from what I can tell.
mcp/tools/tools_coder.go Outdated
| } | ||
| } | ||
| return &mcp.CallToolResult{ |
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Is there a way to return the status code? somebody may use it to build more sophisticated workflows (if commands failed, then...)
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I think the agent will have to use the old trick ofcommand; echo $?
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Ok, let's ignore for now
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LGTM 👍
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057cbd4 intomainUh oh!
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/cherry-pick release/2.21 |
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Adds a
coder exp mcpcommand which will start a local MCP server listening on stdio with the following capabilities:coder whoami)coder list)coder templates list)coder start)coder stop)coder exp rpty)This can be tested as follows:
NOTE: Some of this code was generated by AI tooling, but was reviewed by a human before committing.