{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "nextjs-mcp-opencode",
  "title": "Next.js MCP (OpenCode)",
  "description": "Merge the Next.js DevTools MCP server into opencode.json/jsonc.",
  "files": [
    {
      "path": "registry/nextjs-mcp/opencode/files/bin/merge-mcp.mjs",
      "content": "#!/usr/bin/env node\n\n// scripts/merge-mcp.ts\nimport fs from \"node:fs\";\nimport path from \"node:path\";\nvar args = process.argv.slice(2);\nvar options = {\n  keep: false,\n  force: false\n};\nvar payloadArgs = [];\nfor (const arg of args) {\n  if (arg === \"--keep\") {\n    options.keep = true;\n    continue;\n  }\n  if (arg === \"--force\") {\n    options.force = true;\n    continue;\n  }\n  if (arg.startsWith(\"-\")) {\n    console.error(`Unknown option: ${arg}`);\n    process.exit(1);\n  }\n  payloadArgs.push(arg);\n}\nfunction detectEol(text) {\n  return text.includes(`\\r\n`) ? `\\r\n` : `\n`;\n}\nfunction stripJsonComments(input) {\n  let out = \"\";\n  let inString = false;\n  let stringChar = \"\";\n  let escaped = false;\n  for (let i = 0;i < input.length; i += 1) {\n    const char = input[i];\n    const next = input[i + 1];\n    if (inString) {\n      out += char;\n      if (escaped) {\n        escaped = false;\n      } else if (char === \"\\\\\") {\n        escaped = true;\n      } else if (char === stringChar) {\n        inString = false;\n      }\n      continue;\n    }\n    if (char === '\"' || char === \"'\") {\n      inString = true;\n      stringChar = char;\n      out += char;\n      continue;\n    }\n    if (char === \"/\" && next === \"/\") {\n      while (i < input.length && input[i] !== `\n`) {\n        i += 1;\n      }\n      out += `\n`;\n      continue;\n    }\n    if (char === \"/\" && next === \"*\") {\n      i += 2;\n      while (i < input.length && !(input[i] === \"*\" && input[i + 1] === \"/\")) {\n        i += 1;\n      }\n      i += 1;\n      continue;\n    }\n    out += char;\n  }\n  return out;\n}\nfunction stripTrailingCommas(input) {\n  let out = \"\";\n  let inString = false;\n  let stringChar = \"\";\n  let escaped = false;\n  for (let i = 0;i < input.length; i += 1) {\n    const char = input[i];\n    if (inString) {\n      out += char;\n      if (escaped) {\n        escaped = false;\n      } else if (char === \"\\\\\") {\n        escaped = true;\n      } else if (char === stringChar) {\n        inString = false;\n      }\n      continue;\n    }\n    if (char === '\"' || char === \"'\") {\n      inString = true;\n      stringChar = char;\n      out += char;\n      continue;\n    }\n    if (char === \",\") {\n      let j = i + 1;\n      while (j < input.length && /\\s/.test(input[j] ?? \"\")) {\n        j += 1;\n      }\n      if (j < input.length && (input[j] === \"}\" || input[j] === \"]\")) {\n        continue;\n      }\n    }\n    out += char;\n  }\n  return out;\n}\nfunction parseJsonc(text, label) {\n  const sanitized = stripTrailingCommas(stripJsonComments(text));\n  let data;\n  try {\n    data = JSON.parse(sanitized);\n  } catch (error) {\n    const message = error instanceof Error ? error.message : \"Unknown JSON parse error\";\n    throw new Error(`Failed to parse ${label}: ${message}`);\n  }\n  if (!data || typeof data !== \"object\") {\n    throw new Error(`Expected ${label} to be an object.`);\n  }\n  return data;\n}\nfunction readPayload(filePath) {\n  const raw = fs.readFileSync(filePath, \"utf8\");\n  const data = parseJsonc(raw, filePath);\n  return data;\n}\nfunction resolvePayloads(cwd, explicit) {\n  if (explicit.length) {\n    return explicit.map((item) => path.resolve(cwd, item));\n  }\n  const payloadDir = path.join(cwd, \".opencode\", \"mcp\");\n  if (!fs.existsSync(payloadDir)) {\n    return [];\n  }\n  const entries = fs.readdirSync(payloadDir, { withFileTypes: true });\n  return entries.filter((entry) => entry.isFile() && (entry.name.endsWith(\".json\") || entry.name.endsWith(\".jsonc\"))).map((entry) => path.join(payloadDir, entry.name));\n}\nfunction getConfigPath(cwd) {\n  const jsoncPath = path.join(cwd, \"opencode.jsonc\");\n  if (fs.existsSync(jsoncPath))\n    return jsoncPath;\n  return path.join(cwd, \"opencode.json\");\n}\nfunction ensureDir(dirPath) {\n  fs.mkdirSync(dirPath, { recursive: true });\n}\nfunction main() {\n  const cwd = process.cwd();\n  const payloadFiles = resolvePayloads(cwd, payloadArgs);\n  if (!payloadFiles.length) {\n    console.log(\"No MCP payloads found. Nothing to merge.\");\n    return;\n  }\n  const payloads = payloadFiles.map((filePath) => ({ filePath, payload: readPayload(filePath) }));\n  const mcpEntries = [];\n  for (const { filePath, payload } of payloads) {\n    if (!payload.mcp || typeof payload.mcp !== \"object\") {\n      console.warn(`Skipping ${filePath}: missing mcp object.`);\n      continue;\n    }\n    for (const [name, entry] of Object.entries(payload.mcp)) {\n      if (!entry || typeof entry !== \"object\") {\n        console.warn(`Skipping ${filePath}: mcp.${name} is not an object.`);\n        continue;\n      }\n      mcpEntries.push([name, entry]);\n    }\n  }\n  if (!mcpEntries.length) {\n    console.log(\"No valid MCP entries found. Nothing to merge.\");\n    return;\n  }\n  const configPath = getConfigPath(cwd);\n  const configExists = fs.existsSync(configPath);\n  const configText = configExists ? fs.readFileSync(configPath, \"utf8\") : `{}\n`;\n  const eol = detectEol(configText);\n  const configData = parseJsonc(configText, path.basename(configPath));\n  const configObject = configData;\n  const existingMcp = configObject.mcp && typeof configObject.mcp === \"object\" ? configObject.mcp : {};\n  const added = [];\n  const skipped = [];\n  const updated = [];\n  for (const [name, entry] of mcpEntries) {\n    const exists = Object.prototype.hasOwnProperty.call(existingMcp, name);\n    if (exists && !options.force) {\n      skipped.push(name);\n      continue;\n    }\n    existingMcp[name] = entry;\n    if (exists) {\n      updated.push(name);\n    } else {\n      added.push(name);\n    }\n  }\n  if (added.length || updated.length) {\n    configObject.mcp = existingMcp;\n    const normalized = JSON.stringify(configObject, null, 2);\n    const output = normalized.endsWith(eol) ? normalized : `${normalized}${eol}`;\n    fs.writeFileSync(configPath, output, \"utf8\");\n    console.log(`Updated ${path.basename(configPath)}.`);\n  } else {\n    console.log(`No changes needed in ${path.basename(configPath)}.`);\n  }\n  if (!options.keep) {\n    const payloadDir = path.join(cwd, \".opencode\", \"mcp\");\n    const appliedDir = path.join(payloadDir, \".applied\");\n    ensureDir(appliedDir);\n    for (const filePath of payloadFiles) {\n      const relative = path.relative(payloadDir, filePath);\n      if (relative.startsWith(\"..\") || relative.startsWith(`.${path.sep}`)) {\n        continue;\n      }\n      if (relative.startsWith(`.applied${path.sep}`)) {\n        continue;\n      }\n      const baseName = path.basename(filePath);\n      let target = path.join(appliedDir, baseName);\n      if (fs.existsSync(target)) {\n        const stamp = Date.now();\n        target = path.join(appliedDir, `${baseName}.${stamp}`);\n      }\n      fs.renameSync(filePath, target);\n    }\n  }\n  if (added.length) {\n    console.log(`Added MCP servers: ${added.join(\", \")}`);\n  }\n  if (updated.length) {\n    console.log(`Updated MCP servers: ${updated.join(\", \")}`);\n  }\n  if (skipped.length) {\n    console.log(`Skipped existing MCP servers: ${skipped.join(\", \")}`);\n  }\n}\ntry {\n  main();\n} catch (error) {\n  const message = error instanceof Error ? error.message : String(error);\n  console.error(`MCP merge failed: ${message}`);\n  process.exit(1);\n}\n",
      "type": "registry:file",
      "target": "~/.opencode/bin/merge-mcp.mjs"
    },
    {
      "path": "registry/nextjs-mcp/opencode/files/mcp/next-devtools.json",
      "content": "{\n  \"mcp\": {\n    \"next-devtools\": {\n      \"type\": \"local\",\n      \"command\": [\"npx\", \"-y\", \"next-devtools-mcp@latest\"],\n      \"enabled\": true\n    }\n  }\n}\n",
      "type": "registry:file",
      "target": "~/.opencode/mcp/next-devtools.json"
    }
  ],
  "meta": {
    "concept": "nextjs-mcp",
    "platform": "opencode",
    "kind": [
      "mcp",
      "config",
      "script"
    ],
    "postInstall": "node .opencode/bin/merge-mcp.mjs"
  },
  "docs": "After install, run `node .opencode/bin/merge-mcp.mjs` to merge the MCP config into opencode.json/jsonc. Requires Next.js 16+. The merge script archives payloads in .opencode/mcp/.applied to avoid re-adding removed MCPs. JSONC comments are stripped when writing.",
  "type": "registry:item"
}