From d25a20089ad23e71f01ea5451cf0cc85a6a6f01e Mon Sep 17 00:00:00 2001 From: nntrivi2001 Date: Wed, 5 Aug 2026 15:14:31 +0700 Subject: [PATCH] =?UTF-8?q?docs(lanes):=20plan=20F1=20=E2=80=94=20ccam=20l?= =?UTF-8?q?anes=20mcp=20sync=20(F)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 4 tasks: the lane-mcp.js sync core (relocate + pin + seed profiles, no permission/settings writes per the design spec's scope decision), the route, the CLI, and docs. --- docs/superpowers/plans/2026-08-05-mcp-sync.md | 639 ++++++++++++++++++ 1 file changed, 639 insertions(+) create mode 100644 docs/superpowers/plans/2026-08-05-mcp-sync.md diff --git a/docs/superpowers/plans/2026-08-05-mcp-sync.md b/docs/superpowers/plans/2026-08-05-mcp-sync.md new file mode 100644 index 0000000..a1bf71a --- /dev/null +++ b/docs/superpowers/plans/2026-08-05-mcp-sync.md @@ -0,0 +1,639 @@ +# F1 — `ccam lanes mcp sync` Implementation Plan + +> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking. + +**Goal:** `ccam lanes mcp sync` writes a lane's `.mcp.json` from its source repo's already-configured MCP servers (relocating paths, pinning Playwright's proof output dir) and seeds Chromium browser profiles, so `SKILL.md`'s manual-fallback text stops being the only option. + +**Architecture:** One filesystem/JSON-only core module (`server/lib/lane-mcp.js` — no git calls, unlike E2/E3's cores), one route, one CLI subcommand, a `SKILL.md` edit. + +**Tech Stack:** Plain `node:fs`/`node:path`/`node:os`. No new dependency. + +## Global Constraints + +- Every applicable source file (`.js`) MUST start with the project's authorship header — verify with `bash .claude/skills/file-headers/scripts/check-headers.sh`. +- **No permission/settings writes of any kind.** This task never touches `/.claude/settings.local.json` or any permission/auto-approval surface — that's out of scope by explicit design decision (see the design spec's Scope section), not an oversight to "complete later" in this plan. +- **`.mcp.json` is a full overwrite on every call; profile seeding is additive-only.** A profile directory that already exists at the destination is never touched (an existing profile means a session already logged in there). +- `server/lib/cc-discovery.js` already reads `~/.claude.json` (its `readMcpServers()`, used by the Claude Config Explorer page) — but it REDACTS secret-like keys and summarizes server defs for display, so it cannot be reused here; `lane-mcp.js` needs the raw, unredacted server config to write a working `.mcp.json`. Do not attempt to reuse `readMcpServers()`; write a small local reader instead (a few lines — see Task 1). +- Never use `git add -A`. Stage exactly the files each task names. +- Run `npm run test:server` (full suite) plus `bash .claude/skills/file-headers/scripts/check-headers.sh` before every commit. + +--- + +### Task 1: `server/lib/lane-mcp.js` — the sync core + +**Files:** +- Create: `server/lib/lane-mcp.js` +- Test: `server/__tests__/lane-mcp.test.js` + +**Interfaces:** +- Produces: `syncMcp(lane) => {servers: string[], profilesSeeded: string[]}` where `lane` is `{cwd, source_repo}` (only these two fields are read). Throws an error with `.code === "ENOMCPCONFIG"` when the source repo has no `mcpServers` configured in `~/.claude.json`. + +- [ ] **Step 1: Write the failing tests — reading and relocating** + +Create `server/__tests__/lane-mcp.test.js`: + +```js +/** + * @file Tests for server/lib/lane-mcp.js: relocating a source repo's + * ~/.claude.json MCP server config into a lane's own .mcp.json, pinning + * Playwright's proof output dir, and seeding Chromium profiles. Uses a real + * temp $HOME (via process.env.HOME override) so the module's own + * os.homedir()-based path resolution is exercised, not mocked around. + * @author Nguyễn Ngọc Trí Vĩ + */ + +const { describe, it, before, after } = require("node:test"); +const assert = require("node:assert/strict"); +const fs = require("node:fs"); +const os = require("node:os"); +const path = require("node:path"); + +const SUITE_ROOT = fs.mkdtempSync(path.join(os.tmpdir(), "ccam-mcp-")); +const FAKE_HOME = path.join(SUITE_ROOT, "home"); +fs.mkdirSync(FAKE_HOME, { recursive: true }); +process.env.HOME = FAKE_HOME; + +const laneMcp = require("../lib/lane-mcp"); + +after(() => fs.rmSync(SUITE_ROOT, { recursive: true, force: true })); + +function writeClaudeJson(projects) { + fs.writeFileSync( + path.join(FAKE_HOME, ".claude.json"), + JSON.stringify({ projects }, null, 2) + ); +} + +let laneSeq = 0; +function makeLane(sourceRepo) { + laneSeq += 1; + const cwd = path.join(SUITE_ROOT, `lane-cwd-${laneSeq}`); + fs.mkdirSync(cwd, { recursive: true }); + return { cwd, source_repo: sourceRepo }; +} + +describe("syncMcp — reading and relocating", () => { + it("throws ENOMCPCONFIG when the source repo has no mcpServers", async () => { + const sourceRepo = path.join(SUITE_ROOT, "src-none"); + fs.mkdirSync(sourceRepo, { recursive: true }); + writeClaudeJson({ [sourceRepo]: {} }); + await assert.rejects(() => laneMcp.syncMcp(makeLane(sourceRepo)), { + code: "ENOMCPCONFIG", + }); + }); + + it("throws ENOMCPCONFIG when ~/.claude.json doesn't exist at all", async () => { + fs.rmSync(path.join(FAKE_HOME, ".claude.json"), { force: true }); + await assert.rejects( + () => laneMcp.syncMcp(makeLane(path.join(SUITE_ROOT, "src-missing"))), + { code: "ENOMCPCONFIG" } + ); + }); + + it("relocates absolute paths under source_repo to the lane's cwd", async () => { + const sourceRepo = path.join(SUITE_ROOT, "src-relocate"); + fs.mkdirSync(sourceRepo, { recursive: true }); + writeClaudeJson({ + [sourceRepo]: { + mcpServers: { + playwright: { + command: "npx", + args: ["-y", "@playwright/mcp@latest", "--user-data-dir", `${sourceRepo}/.playwright-mcp/profiles/default`], + }, + }, + }, + }); + const lane = makeLane(sourceRepo); + const result = await laneMcp.syncMcp(lane); + assert.deepEqual(result.servers, ["playwright"]); + + const written = JSON.parse(fs.readFileSync(path.join(lane.cwd, ".mcp.json"), "utf8")); + assert.equal( + written.mcpServers.playwright.args[2], + `${lane.cwd}/.playwright-mcp/profiles/default` + ); + }); +}); +``` + +- [ ] **Step 2: Run test to verify it fails** + +Run: `node --test server/__tests__/lane-mcp.test.js` +Expected: FAIL — `require("../lib/lane-mcp")` throws `MODULE_NOT_FOUND`. + +- [ ] **Step 3: Implement `lane-mcp.js` — reading, relocating, writing `.mcp.json`** + +Create `server/lib/lane-mcp.js`: + +```js +/** + * @file Gives a lane the same MCP servers as its source repo: reads the + * source repo's already-configured mcpServers from ~/.claude.json (normal + * Claude Code project-scope config — the human sets this up once, the same + * way they would for any project), relocates any absolute path under the + * source repo to the lane's own directory, pins a Playwright server's proof + * output dir, and writes /.mcp.json. Also seeds the lane's + * Chromium browser profiles from the source repo's own (preserves saved + * logins — a QA account only needs to log in once per machine). + * + * Deliberately does NOT write any permission or settings.local.json content + * — see the F1 design spec's Scope section for why. Plain file I/O; no git + * calls, unlike lane-sync.js (E2) or lane-agents.js (E3). + * @author Nguyễn Ngọc Trí Vĩ + */ + +const fs = require("node:fs"); +const os = require("node:os"); +const path = require("node:path"); + +/** Read the source repo's mcpServers from ~/.claude.json. Throws + * ENOMCPCONFIG if the file is missing or the project has none declared — + * a lane with zero MCP servers synced would silently break Stage 3/6 much + * later, at a far less debuggable point, so this fails loud and early. */ +function readSourceMcpServers(sourceRepo) { + const claudeJsonPath = path.join(os.homedir(), ".claude.json"); + let cfg; + try { + cfg = JSON.parse(fs.readFileSync(claudeJsonPath, "utf8")); + } catch { + cfg = null; + } + const servers = cfg?.projects?.[sourceRepo]?.mcpServers; + if (!servers || !Object.keys(servers).length) { + throw Object.assign( + new Error( + `no mcpServers configured for source repo ${sourceRepo} in ~/.claude.json — ` + + `configure them there first (see the ship-feature-lane skill's Setup section)` + ), + { code: "ENOMCPCONFIG" } + ); + } + return servers; +} + +/** Deep-walk a server config, replacing every occurrence of `sourceRepo` + * inside a string with `laneDir`. Strings, arrays, and plain objects only + * — an MCP server def never contains anything else. */ +function relocate(value, sourceRepo, laneDir) { + if (typeof value === "string") return value.split(sourceRepo).join(laneDir); + if (Array.isArray(value)) return value.map((v) => relocate(v, sourceRepo, laneDir)); + if (value && typeof value === "object") { + const out = {}; + for (const [k, v] of Object.entries(value)) out[k] = relocate(v, sourceRepo, laneDir); + return out; + } + return value; +} + +/** Pin --output-dir for a @playwright/mcp server that doesn't already + * declare one, so relative proof filenames (proof//...) always + * land under /.playwright-mcp — the one place the dashboard's + * proof gallery reads. */ +function pinPlaywrightOutputDir(servers, laneDir) { + for (const server of Object.values(servers)) { + const args = server.args; + if (!Array.isArray(args)) continue; + const isPlaywright = args.some((a) => typeof a === "string" && a.startsWith("@playwright/mcp")); + if (isPlaywright && !args.includes("--output-dir")) { + server.args = [...args, "--output-dir", path.join(laneDir, ".playwright-mcp")]; + } + } +} + +/** Copy each /.playwright-mcp/profiles// into the lane + * ONLY if that name doesn't already exist there — an existing profile + * means a session already logged in with it; never clobber that. Strips + * Singleton* lock files from the freshly-seeded copy (stale locks from the + * source's own last browser process would make the lane's browser refuse + * to start, thinking another instance already holds the profile). */ +function seedProfiles(sourceRepo, laneDir) { + const srcProfiles = path.join(sourceRepo, ".playwright-mcp", "profiles"); + if (!fs.existsSync(srcProfiles)) return []; + + const seeded = []; + for (const name of fs.readdirSync(srcProfiles)) { + const src = path.join(srcProfiles, name); + if (!fs.statSync(src).isDirectory()) continue; + const dest = path.join(laneDir, ".playwright-mcp", "profiles", name); + if (fs.existsSync(dest)) continue; + + fs.mkdirSync(path.dirname(dest), { recursive: true }); + fs.cpSync(src, dest, { recursive: true }); + for (const entry of fs.readdirSync(dest)) { + if (entry.startsWith("Singleton")) fs.rmSync(path.join(dest, entry), { force: true }); + } + seeded.push(name); + } + return seeded; +} + +/** Idempotently append a line to /.git/info/exclude — same + * read-existing-then-append-if-missing pattern E2/E3 already use for + * .git/info/attributes and .git/info/exclude. .mcp.json sits at the lane + * root (not inside .git), so this needs no --git-common-dir resolution — + * the exclude file itself is always local to this lane's own working copy. */ +function excludeFromGit(laneDir, line) { + const excludePath = path.join(laneDir, ".git", "info", "exclude"); + fs.mkdirSync(path.dirname(excludePath), { recursive: true }); + const existing = fs.existsSync(excludePath) ? fs.readFileSync(excludePath, "utf8") : ""; + const lines = existing.split("\n").filter(Boolean); + if (!lines.includes(line)) { + lines.push(line); + fs.writeFileSync(excludePath, lines.join("\n") + "\n"); + } +} + +/** + * @param {{cwd: string, source_repo: string}} lane + * @returns {{servers: string[], profilesSeeded: string[]}} + */ +async function syncMcp(lane) { + const sourceServers = readSourceMcpServers(lane.source_repo); + const relocated = relocate(sourceServers, lane.source_repo, lane.cwd); + pinPlaywrightOutputDir(relocated, lane.cwd); + + fs.writeFileSync( + path.join(lane.cwd, ".mcp.json"), + JSON.stringify({ mcpServers: relocated }, null, 2) + "\n" + ); + excludeFromGit(lane.cwd, ".mcp.json"); + + const profilesSeeded = seedProfiles(lane.source_repo, lane.cwd); + + return { servers: Object.keys(relocated), profilesSeeded }; +} + +module.exports = { syncMcp }; +``` + +- [ ] **Step 4: Run tests to verify they pass** + +Run: `node --test server/__tests__/lane-mcp.test.js` +Expected: PASS — all 3 tests so far. + +- [ ] **Step 5: Write the failing tests — output-dir pinning, profile seeding, exclude idempotency** + +Append to `server/__tests__/lane-mcp.test.js`: + +```js +describe("syncMcp — Playwright output-dir pinning", () => { + it("pins --output-dir only when a @playwright/mcp server doesn't already declare one", async () => { + const sourceRepo = path.join(SUITE_ROOT, "src-pin"); + fs.mkdirSync(sourceRepo, { recursive: true }); + writeClaudeJson({ + [sourceRepo]: { + mcpServers: { + playwright: { command: "npx", args: ["-y", "@playwright/mcp@latest"] }, + "playwright-custom": { + command: "npx", + args: ["-y", "@playwright/mcp@latest", "--output-dir", "/already/set"], + }, + "not-playwright": { command: "npx", args: ["-y", "some-other-mcp"] }, + }, + }, + }); + const lane = makeLane(sourceRepo); + await laneMcp.syncMcp(lane); + const written = JSON.parse(fs.readFileSync(path.join(lane.cwd, ".mcp.json"), "utf8")); + + assert.deepEqual(written.mcpServers.playwright.args.slice(-2), [ + "--output-dir", + path.join(lane.cwd, ".playwright-mcp"), + ]); + assert.deepEqual(written.mcpServers["playwright-custom"].args.slice(-2), [ + "--output-dir", + "/already/set", + ]); + assert.equal(written.mcpServers["not-playwright"].args.includes("--output-dir"), false); + }); +}); + +describe("syncMcp — profile seeding", () => { + it("seeds a source profile into the lane and strips Singleton* lock files", async () => { + const sourceRepo = path.join(SUITE_ROOT, "src-profiles"); + const srcProfileDir = path.join(sourceRepo, ".playwright-mcp", "profiles", "default"); + fs.mkdirSync(srcProfileDir, { recursive: true }); + fs.writeFileSync(path.join(srcProfileDir, "Cookies"), "fake-cookie-db"); + fs.writeFileSync(path.join(srcProfileDir, "SingletonLock"), "stale-lock"); + writeClaudeJson({ + [sourceRepo]: { mcpServers: { playwright: { command: "npx", args: [] } } }, + }); + + const lane = makeLane(sourceRepo); + const result = await laneMcp.syncMcp(lane); + assert.deepEqual(result.profilesSeeded, ["default"]); + + const destDir = path.join(lane.cwd, ".playwright-mcp", "profiles", "default"); + assert.ok(fs.existsSync(path.join(destDir, "Cookies"))); + assert.ok(!fs.existsSync(path.join(destDir, "SingletonLock"))); + }); + + it("never overwrites a profile that already exists at the destination", async () => { + const sourceRepo = path.join(SUITE_ROOT, "src-profiles-2"); + const srcProfileDir = path.join(sourceRepo, ".playwright-mcp", "profiles", "default"); + fs.mkdirSync(srcProfileDir, { recursive: true }); + fs.writeFileSync(path.join(srcProfileDir, "Cookies"), "new-cookie-db"); + writeClaudeJson({ + [sourceRepo]: { mcpServers: { playwright: { command: "npx", args: [] } } }, + }); + + const lane = makeLane(sourceRepo); + const destDir = path.join(lane.cwd, ".playwright-mcp", "profiles", "default"); + fs.mkdirSync(destDir, { recursive: true }); + fs.writeFileSync(path.join(destDir, "Cookies"), "already-logged-in-cookie-db"); + + const result = await laneMcp.syncMcp(lane); + assert.deepEqual(result.profilesSeeded, []); + assert.equal(fs.readFileSync(path.join(destDir, "Cookies"), "utf8"), "already-logged-in-cookie-db"); + }); +}); + +describe("syncMcp — .git/info/exclude idempotency", () => { + it("appends .mcp.json once and does not duplicate it on a second call", async () => { + const sourceRepo = path.join(SUITE_ROOT, "src-exclude"); + fs.mkdirSync(sourceRepo, { recursive: true }); + writeClaudeJson({ + [sourceRepo]: { mcpServers: { playwright: { command: "npx", args: [] } } }, + }); + const lane = makeLane(sourceRepo); + fs.mkdirSync(path.join(lane.cwd, ".git"), { recursive: true }); + + await laneMcp.syncMcp(lane); + await laneMcp.syncMcp(lane); + + const exclude = fs.readFileSync(path.join(lane.cwd, ".git", "info", "exclude"), "utf8"); + const matches = exclude.split("\n").filter((line) => line === ".mcp.json"); + assert.equal(matches.length, 1); + }); +}); +``` + +- [ ] **Step 6: Run tests to verify they pass** + +Run: `node --test server/__tests__/lane-mcp.test.js` +Expected: PASS — all 8 tests. + +- [ ] **Step 7: Header check + full suite** + +```bash +bash .claude/skills/file-headers/scripts/check-headers.sh +npm run test:server +``` + +- [ ] **Step 8: Commit** + +```bash +git add server/lib/lane-mcp.js server/__tests__/lane-mcp.test.js +git commit -m "feat(lanes): add lane-mcp sync core (F1)" +``` + +--- + +### Task 2: `POST /api/lanes/:id/mcp/sync` route + +**Files:** +- Modify: `server/routes/lanes.js` + +**Interfaces:** +- Consumes: `syncMcp(lane) => Promise<{servers: string[], profilesSeeded: string[]}>` from Task 1 (`require("../lib/lane-mcp")`). +- Produces: `POST /api/lanes/:id/mcp/sync` — `200` with `{servers, profilesSeeded}`, `404` for an unknown lane, `400` with `{error: {code: "ENOMCPCONFIG", message}}` when the source repo has nothing configured. + +- [ ] **Step 1: Add the import** + +In `server/routes/lanes.js`, add near the `lane-agents` import added in E3: + +```js +const { syncMcp } = require("../lib/lane-mcp"); +``` + +- [ ] **Step 2: Extend `sendRuntimeError`'s bad-request code list** + +In `sendRuntimeError` (`server/routes/lanes.js`, the same function E2 extended with `EBADBRANCH`/`EUNRESOLVED`/`EMERGEUNCOMMITTED`), add `ENOMCPCONFIG`: + +```js + const badRequest = [ + "ENOPROFILE", + "ENOHOOK", + "EBADLANEDIR", + "EBADSVC", + "EBADBRANCH", + "EUNRESOLVED", + "EMERGEUNCOMMITTED", + "ENOMCPCONFIG", + ]; +``` + +- [ ] **Step 3: Add the route** + +Insert directly after the `/:id/agents/install` route (`server/routes/lanes.js:339`, the route E3 added): + +```js +/** + * Give this lane the same MCP servers as its source repo — relocates the + * source repo's already-configured mcpServers (from ~/.claude.json) into + * /.mcp.json, pins Playwright's proof output dir, seeds Chromium + * profiles. Never automatic, same as proof-link/agents-install: a session + * calls this explicitly. Never touches permissions/settings.local.json — + * see the F1 design spec for why. + */ +router.post("/:id/mcp/sync", sameOriginGuard, async (req, res) => { + const lane = lanesLib.getLane(req.params.id); + if (!lane) return res.status(404).json({ error: { code: "ENOLANE", message: "lane not found" } }); + try { + res.json(await syncMcp(lane)); + } catch (err) { + if (err.code === "ENOMCPCONFIG") { + return res.status(400).json({ error: { code: err.code, message: err.message } }); + } + res.status(500).json({ error: { code: err.code || "ERUNTIME", message: err.message } }); + } +}); +``` + +- [ ] **Step 4: Manual smoke check** + +```bash +npm run dev & +sleep 3 +# Replace 1 with a real lane id whose source repo has mcpServers configured +# project-scope in ~/.claude.json (or expect a 400 ENOMCPCONFIG if not). +curl -s -X POST http://localhost:4820/api/lanes/1/mcp/sync | head -c 300 +echo +``` + +Expected: `{"servers":[...],"profilesSeeded":[...]}` or a `400` `ENOMCPCONFIG` body — either is correctly-wired, not a bug. Stop the dev server afterward. + +- [ ] **Step 5: Run the full suite + header check** + +```bash +bash .claude/skills/file-headers/scripts/check-headers.sh +npm run test:server +``` + +- [ ] **Step 6: Commit** + +```bash +git add server/routes/lanes.js +git commit -m "feat(lanes): add POST /:id/mcp/sync route (F1)" +``` + +--- + +### Task 3: `ccam lanes mcp sync` CLI + +**Files:** +- Modify: `bin/ccam.js` + +**Interfaces:** +- Consumes: `POST /api/lanes/:id/mcp/sync` (Task 2); `resolveLaneArg(args)`, `post(path, body, options)` (both already defined in `bin/ccam.js`). +- Produces: `ccam lanes mcp sync []`. + +- [ ] **Step 1: Add the subcommand function** + +In `bin/ccam.js`, add near `cmdLanesAgentsInstall` (`bin/ccam.js:2161`): + +```js +/** `ccam lanes mcp sync [] [--cwd path]` — relocate the source repo's + * already-configured MCP servers into /.mcp.json and seed Chromium + * profiles. Never run automatically; a session calls it explicitly. */ +async function cmdLanesMcpSync(args) { + const resolved = await resolveLaneArg(args); + if (!resolved) return; + const result = await post( + `/api/lanes/${resolved.laneId}/mcp/sync`, + {}, + { allowError: true } + ); + if (result.status) { + console.error(`✖ mcp sync → ${result.data?.error?.message || result.status}`); + process.exitCode = 1; + return; + } + console.log(`${c.green("✔")} synced: ${result.servers.join(", ")}`); + if (result.profilesSeeded.length) { + console.log(` seeded profiles: ${result.profilesSeeded.join(", ")}`); + } +} +``` + +- [ ] **Step 2: Wire the dispatcher** + +In `bin/ccam.js`'s `lanes` case, right after the `agents install` check (`bin/ccam.js:3186-3188`): + +```js + if (rest[0] === "agents" && rest[1] === "install") { + return cmdLanesAgentsInstall(rest.slice(2)); + } +``` + +Add directly below it: + +```js + if (rest[0] === "mcp" && rest[1] === "sync") { + return cmdLanesMcpSync(rest.slice(2)); + } +``` + +- [ ] **Step 3: Add the help-catalog entry** + +Right after the `lanes agents install` catalog entry (`bin/ccam.js:2364` area): + +```js + [ + "lanes mcp sync", + "[]", + "Relocate the source repo's MCP servers into /.mcp.json and seed Chromium profiles", + ], +``` + +- [ ] **Step 4: Manual smoke test** + +```bash +npm run dev & +sleep 3 +node bin/ccam.js lanes mcp sync 1 +echo "exit: $?" +``` + +Expected: `✔ synced: ...` with exit `0`, or a clear `✖` error with exit `1`. Stop the dev server afterward. + +- [ ] **Step 5: Run the full suite + header check** + +```bash +bash .claude/skills/file-headers/scripts/check-headers.sh +npm run test:server +``` + +- [ ] **Step 6: Commit** + +```bash +git add bin/ccam.js +git commit -m "feat(lanes): add ccam lanes mcp sync CLI (F1)" +``` + +--- + +### Task 4: Docs + +**Files:** +- Modify: `.claude/skills/ship-feature-lane/SKILL.md` +- Modify: `docs/LANES.md` +- Modify: `docs/superpowers/plans/2026-08-03-shipyard-parity-lanes.md` + +**Interfaces:** none — documentation only. + +- [ ] **Step 1: `SKILL.md` — replace the manual-fallback text** + +Find (Setup section, `.claude/skills/ship-feature-lane/SKILL.md:37`): + +``` +- **MCP preflight (fail fast):** confirm this session actually loaded the lane's required Playwright MCPs (their `browser_*` tools must be available) — `playwright` and a local-QC MCP are always required for Stage 3/6. `ccam lanes mcp sync` (F, not built yet) would normally do this for you; until then, tell the human to configure `.mcp.json` manually and restart the session if a required MCP is missing. Catching this at Stage 0 costs a minute; catching it at Stage 13 strands a merged feature unverified. +``` + +Replace with: + +``` +- **MCP preflight (fail fast):** if this is the lane's first run, or a required Playwright MCP's `browser_*` tools aren't available in this session, run `ccam lanes mcp sync` — it relocates the source repo's already-configured MCP servers into this lane's `.mcp.json`. If the source repo has none configured (`ENOMCPCONFIG`), tell the human to configure `.mcp.json` manually for the source repo first. Either way, restart the session after syncing so the new config loads — `playwright` and a local-QC MCP are always required for Stage 3/6. Catching this at Stage 0 costs a minute; catching it at Stage 13 strands a merged feature unverified. +``` + +- [ ] **Step 2: `docs/LANES.md` — add an mcp-sync subsection** + +In `docs/LANES.md`, under `## The ship-feature-lane skill (E1)`, insert a new subsection after "### Installing the QC/gate agents: agents install" (added in E3) and before "### Pipeline template: ship-feature (16 node stages)": + +```markdown +### Syncing MCP servers: mcp sync + +A lane needs the same MCP servers (Playwright, a local-QC server) as its source repo to run Stage 3/6. `ccam lanes mcp sync` gives it those: + +```bash +ccam lanes mcp sync +``` + +Reads the source repo's already-configured `mcpServers` from `~/.claude.json` (normal Claude Code project-scope config — set this up for the source repo once, the same way you would for any project), relocates any absolute path under the source repo to the lane's own directory, pins a `@playwright/mcp` server's `--output-dir` to the lane's `.playwright-mcp` (so proof screenshots land where the proof gallery reads them), and writes `/.mcp.json`. Also seeds the lane's Chromium browser profiles from the source repo's own — preserves saved logins, and never overwrites a profile that already exists at the destination. + +**No permission/settings changes.** Unlike Shipyard's original `lane-mcp-sync.sh`, this command never writes to `/.claude/settings.local.json` — no auto-approval rules, no `autoMode` bypass entries. A session's `gh`/`git push` commands go through the normal permission prompt like any other command. + +A lane whose source repo has no `mcpServers` configured gets a clear `ENOMCPCONFIG` error, not a silently-empty `.mcp.json` — configure the source repo's MCP servers first, then re-run. + +Restart the lane's Claude session after syncing — MCP config is read at session start. +``` + +- [ ] **Step 3: Roadmap progress line** + +In `docs/superpowers/plans/2026-08-03-shipyard-parity-lanes.md`, find the `## F` section (search `grep -n "^## F "`). It currently has no `**Progress:**` line (F hasn't started). Add one directly under its `**Goal:**` line: + +```markdown +**Progress:** `mcp sync` (F1) done 2026-08-05 — see `docs/superpowers/specs/2026-08-05-mcp-sync-design.md`. Tracker, dev-QC, CI-wait remain. +``` + +- [ ] **Step 4: Verify and commit** + +```bash +bash .claude/skills/file-headers/scripts/check-headers.sh +npm run test:server +``` + +```bash +git add .claude/skills/ship-feature-lane/SKILL.md docs/LANES.md docs/superpowers/plans/2026-08-03-shipyard-parity-lanes.md +git commit -m "docs(lanes): document ccam lanes mcp sync (F1)" +```