deepseek-ai/deepseek-harness · error · LspError

LSP_WORKSPACE_REQUIRED

LSP_WORKSPACE_REQUIRED

Error message

the lsp tool requires a session workspace cwd

What it means

Error "the lsp tool requires a session workspace cwd" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/lsp/tool-lsp/src/index.ts:184

      },
      render: (_args, value) => {
        switch (value.kind) {
          case 'locations':
            return [{ type: 'text', text: formatLocations(value.locations, value.resolvedWorkspaceUri, resolved.maxLocations, resolved.maxResultChars) }]
          case 'hover':
            return [{ type: 'text', text: formatHover(value.hover, resolved.maxResultChars) }]
          /* v8 ignore next -- exhaustive over the output schema's closed union; unreachable. */
          default:
            return assertNever(value, 'tool-lsp output')
        }
      },
    },
    timeoutMs: resolved.timeoutMs,
    async execute(args, exec) {
      const input = parseLspArgs(args)
      const workspaceRoot = sessionCwd(exec)
      if (workspaceRoot === undefined) {
        throw new LspError('the lsp tool requires a session workspace cwd', 'LSP_WORKSPACE_REQUIRED')
      }
      const result = await ctx.lsp.query({
        operation: input.operation,
        filePath: input.filePath,
        position: input.position,
        workspaceRoot,
      }, exec.signal)
      switch (result.kind) {
        case 'locations':
          return {
            kind: 'locations' as const,
            locations: result.locations.map(location => ({
              uri: location.uri,
              range: {
                start: { line: location.range.start.line, character: location.range.start.character },
                end: { line: location.range.end.line, character: location.range.end.character },
              },
            })),

View on GitHub (pinned to b150a551b8)

Solutions

1. Run the lsp tool in a session that has a workspace cwd.

When it happens

Trigger: Thrown at packages/lsp/tool-lsp/src/index.ts:184 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/be2e579218e41fc0. Report an issue: GitHub.