Fission-AI/OpenSpec · error

Unknown tool '${toolId}'. Valid tools: ${validToolIds.join

Error message

Unknown tool '${toolId}'. Valid tools:
  ${validToolIds.join('\n  ')}

What it means

Error "Unknown tool '${toolId}'. Valid tools: ${validToolIds.join('\n ')}" thrown in Fission-AI/OpenSpec.

Source

Thrown at src/core/init.ts:808

          return index === firstSharedIndex && sharedTargetOwner ? [sharedTargetOwner] : [];
        })
      : toolIds;
    if (
      reconciledToolIds.length !== toolIds.length ||
      reconciledToolIds.some((toolId, index) => toolId !== toolIds[index])
    ) {
      console.log(
        chalk.dim(
          `Codex, Zed, and agents share .agents/skills; writing one tree for ${sharedTargetOwner}.`
        )
      );
    }

    for (const toolId of reconciledToolIds) {
      const tool = AI_TOOLS.find((t) => t.value === toolId);
      if (!tool) {
        const validToolIds = getToolsWithSkillsDir();
        throw new Error(
          `Unknown tool '${toolId}'. Valid tools:\n  ${validToolIds.join('\n  ')}`
        );
      }

      if (!toolSupportsSkills(tool)) {
        const validToolsWithSkills = getToolsWithSkillsDir();
        throw new Error(
          `Tool '${toolId}' does not support skill generation.\nTools with skill generation support:\n  ${validToolsWithSkills.join('\n  ')}`
        );
      }

      const preState = toolStates.get(tool.value);
      const skillsPath = resolveToolSkillsDir(projectPath, tool);
      const isGlobalSkillTarget = hasGlobalSkillTarget(tool);
      validatedTools.push({
        value: tool.value,
        name: tool.name,
        skillsDir: tool.skillsDir,

View on GitHub (pinned to 6926ccb18a)

When it happens

Trigger: Thrown at src/core/init.ts:808 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Fission-AI/OpenSpec@6926ccb18a (2026-08-25). Data as JSON: /api/errors/590bfc379d975d67. Report an issue: GitHub.