feat: complete OpenCode plugin support with hooks, tools, and commands

Major OpenCode integration overhaul:

- llms.txt: Comprehensive OpenCode documentation for LLMs (642 lines)
- .opencode/plugins/ecc-hooks.ts: All Claude Code hooks translated to OpenCode's plugin system
- .opencode/tools/*.ts: 3 custom tools (run-tests, check-coverage, security-audit)
- .opencode/commands/*.md: All 24 commands in OpenCode format
- .opencode/package.json: npm package structure for opencode-ecc
- .opencode/index.ts: Main plugin entry point

- Delete incorrect LIMITATIONS.md (hooks ARE supported via plugins)
- Rewrite MIGRATION.md with correct hook event mapping
- Update README.md OpenCode section to show full feature parity

OpenCode has 20+ events vs Claude Code's 3 phases:
- PreToolUse → tool.execute.before
- PostToolUse → tool.execute.after
- Stop → session.idle
- SessionStart → session.created
- SessionEnd → session.deleted
- Plus: file.edited, file.watcher.updated, permission.asked, todo.updated

- 12 agents: Full parity
- 24 commands: Full parity (+1 from original 23)
- 16 skills: Full parity
- Hooks: OpenCode has MORE (20+ events vs 3 phases)
- Custom Tools: 3 native OpenCode tools

The OpenCode configuration can now be:
1. Used directly: cd everything-claude-code && opencode
2. Installed via npm: npm install opencode-ecc
This commit is contained in:
Affaan Mustafa
2026-02-05 04:39:45 -08:00
parent d85b1ae52e
commit 6d440c036d
51 changed files with 7523 additions and 0 deletions

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/**
* Check Coverage Tool
*
* Custom OpenCode tool to analyze test coverage and report on gaps.
* Supports common coverage report formats.
*/
import { tool } from "@opencode-ai/plugin"
import * as path from "path"
import * as fs from "fs"
export default tool({
description:
"Check test coverage against a threshold and identify files with low coverage. Reads coverage reports from common locations.",
args: {
threshold: tool.schema
.number()
.optional()
.describe("Minimum coverage percentage required (default: 80)"),
showUncovered: tool.schema
.boolean()
.optional()
.describe("Show list of uncovered files (default: true)"),
format: tool.schema
.enum(["summary", "detailed", "json"])
.optional()
.describe("Output format (default: summary)"),
},
async execute(args, context) {
const threshold = args.threshold ?? 80
const showUncovered = args.showUncovered ?? true
const format = args.format ?? "summary"
const cwd = context.worktree || context.directory
// Look for coverage reports
const coveragePaths = [
"coverage/coverage-summary.json",
"coverage/lcov-report/index.html",
"coverage/coverage-final.json",
".nyc_output/coverage.json",
]
let coverageData: CoverageSummary | null = null
let coverageFile: string | null = null
for (const coveragePath of coveragePaths) {
const fullPath = path.join(cwd, coveragePath)
if (fs.existsSync(fullPath) && coveragePath.endsWith(".json")) {
try {
const content = JSON.parse(fs.readFileSync(fullPath, "utf-8"))
coverageData = parseCoverageData(content)
coverageFile = coveragePath
break
} catch {
// Continue to next file
}
}
}
if (!coverageData) {
return {
success: false,
error: "No coverage report found",
suggestion:
"Run tests with coverage first: npm test -- --coverage",
searchedPaths: coveragePaths,
}
}
const passed = coverageData.total.percentage >= threshold
const uncoveredFiles = coverageData.files.filter(
(f) => f.percentage < threshold
)
const result: CoverageResult = {
success: passed,
threshold,
coverageFile,
total: coverageData.total,
passed,
}
if (format === "detailed" || (showUncovered && uncoveredFiles.length > 0)) {
result.uncoveredFiles = uncoveredFiles.slice(0, 20) // Limit to 20 files
result.uncoveredCount = uncoveredFiles.length
}
if (format === "json") {
result.rawData = coverageData
}
if (!passed) {
result.suggestion = `Coverage is ${coverageData.total.percentage.toFixed(1)}% which is below the ${threshold}% threshold. Focus on these files:\n${uncoveredFiles
.slice(0, 5)
.map((f) => `- ${f.file}: ${f.percentage.toFixed(1)}%`)
.join("\n")}`
}
return result
},
})
interface CoverageSummary {
total: {
lines: number
covered: number
percentage: number
}
files: Array<{
file: string
lines: number
covered: number
percentage: number
}>
}
interface CoverageResult {
success: boolean
threshold: number
coverageFile: string | null
total: CoverageSummary["total"]
passed: boolean
uncoveredFiles?: CoverageSummary["files"]
uncoveredCount?: number
rawData?: CoverageSummary
suggestion?: string
}
function parseCoverageData(data: unknown): CoverageSummary {
// Handle istanbul/nyc format
if (typeof data === "object" && data !== null && "total" in data) {
const istanbulData = data as Record<string, unknown>
const total = istanbulData.total as Record<string, { total: number; covered: number }>
const files: CoverageSummary["files"] = []
for (const [key, value] of Object.entries(istanbulData)) {
if (key !== "total" && typeof value === "object" && value !== null) {
const fileData = value as Record<string, { total: number; covered: number }>
if (fileData.lines) {
files.push({
file: key,
lines: fileData.lines.total,
covered: fileData.lines.covered,
percentage: fileData.lines.total > 0
? (fileData.lines.covered / fileData.lines.total) * 100
: 100,
})
}
}
}
return {
total: {
lines: total.lines?.total || 0,
covered: total.lines?.covered || 0,
percentage: total.lines?.total
? (total.lines.covered / total.lines.total) * 100
: 0,
},
files,
}
}
// Default empty result
return {
total: { lines: 0, covered: 0, percentage: 0 },
files: [],
}
}

10
.opencode/tools/index.ts Normal file
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/**
* ECC Custom Tools for OpenCode
*
* These tools extend OpenCode with additional capabilities.
*/
// Re-export all tools
export { default as runTests } from "./run-tests.js"
export { default as checkCoverage } from "./check-coverage.js"
export { default as securityAudit } from "./security-audit.js"

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/**
* Run Tests Tool
*
* Custom OpenCode tool to run test suites with various options.
* Automatically detects the package manager and test framework.
*/
import { tool } from "@opencode-ai/plugin"
import * as path from "path"
import * as fs from "fs"
export default tool({
description:
"Run the test suite with optional coverage, watch mode, or specific test patterns. Automatically detects package manager (npm, pnpm, yarn, bun) and test framework.",
args: {
pattern: tool.schema
.string()
.optional()
.describe("Test file pattern or specific test name to run"),
coverage: tool.schema
.boolean()
.optional()
.describe("Run with coverage reporting (default: false)"),
watch: tool.schema
.boolean()
.optional()
.describe("Run in watch mode for continuous testing (default: false)"),
updateSnapshots: tool.schema
.boolean()
.optional()
.describe("Update Jest/Vitest snapshots (default: false)"),
},
async execute(args, context) {
const { pattern, coverage, watch, updateSnapshots } = args
const cwd = context.worktree || context.directory
// Detect package manager
const packageManager = await detectPackageManager(cwd)
// Detect test framework
const testFramework = await detectTestFramework(cwd)
// Build command
let cmd: string[] = [packageManager]
if (packageManager === "npm") {
cmd.push("run", "test")
} else {
cmd.push("test")
}
// Add options based on framework
const testArgs: string[] = []
if (coverage) {
testArgs.push("--coverage")
}
if (watch) {
testArgs.push("--watch")
}
if (updateSnapshots) {
testArgs.push("-u")
}
if (pattern) {
if (testFramework === "jest" || testFramework === "vitest") {
testArgs.push("--testPathPattern", pattern)
} else {
testArgs.push(pattern)
}
}
// Add -- separator for npm
if (testArgs.length > 0) {
if (packageManager === "npm") {
cmd.push("--")
}
cmd.push(...testArgs)
}
const command = cmd.join(" ")
return {
command,
packageManager,
testFramework,
options: {
pattern: pattern || "all tests",
coverage: coverage || false,
watch: watch || false,
updateSnapshots: updateSnapshots || false,
},
instructions: `Run this command to execute tests:\n\n${command}`,
}
},
})
async function detectPackageManager(cwd: string): Promise<string> {
const lockFiles: Record<string, string> = {
"bun.lockb": "bun",
"pnpm-lock.yaml": "pnpm",
"yarn.lock": "yarn",
"package-lock.json": "npm",
}
for (const [lockFile, pm] of Object.entries(lockFiles)) {
if (fs.existsSync(path.join(cwd, lockFile))) {
return pm
}
}
return "npm"
}
async function detectTestFramework(cwd: string): Promise<string> {
const packageJsonPath = path.join(cwd, "package.json")
if (fs.existsSync(packageJsonPath)) {
try {
const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, "utf-8"))
const deps = {
...packageJson.dependencies,
...packageJson.devDependencies,
}
if (deps.vitest) return "vitest"
if (deps.jest) return "jest"
if (deps.mocha) return "mocha"
if (deps.ava) return "ava"
if (deps.tap) return "tap"
} catch {
// Ignore parse errors
}
}
return "unknown"
}

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/**
* Security Audit Tool
*
* Custom OpenCode tool to run security audits on dependencies and code.
* Combines npm audit, secret scanning, and OWASP checks.
*
* NOTE: This tool SCANS for security anti-patterns - it does not introduce them.
* The regex patterns below are used to DETECT potential issues in user code.
*/
import { tool } from "@opencode-ai/plugin"
import * as path from "path"
import * as fs from "fs"
export default tool({
description:
"Run a comprehensive security audit including dependency vulnerabilities, secret scanning, and common security issues.",
args: {
type: tool.schema
.enum(["all", "dependencies", "secrets", "code"])
.optional()
.describe("Type of audit to run (default: all)"),
fix: tool.schema
.boolean()
.optional()
.describe("Attempt to auto-fix dependency vulnerabilities (default: false)"),
severity: tool.schema
.enum(["low", "moderate", "high", "critical"])
.optional()
.describe("Minimum severity level to report (default: moderate)"),
},
async execute(args, context) {
const auditType = args.type ?? "all"
const fix = args.fix ?? false
const severity = args.severity ?? "moderate"
const cwd = context.worktree || context.directory
const results: AuditResults = {
timestamp: new Date().toISOString(),
directory: cwd,
checks: [],
summary: {
passed: 0,
failed: 0,
warnings: 0,
},
}
// Check for dependencies audit
if (auditType === "all" || auditType === "dependencies") {
results.checks.push({
name: "Dependency Vulnerabilities",
description: "Check for known vulnerabilities in dependencies",
command: fix ? "npm audit fix" : "npm audit",
severityFilter: severity,
status: "pending",
})
}
// Check for secrets
if (auditType === "all" || auditType === "secrets") {
const secretPatterns = await scanForSecrets(cwd)
if (secretPatterns.length > 0) {
results.checks.push({
name: "Secret Detection",
description: "Scan for hardcoded secrets and API keys",
status: "failed",
findings: secretPatterns,
})
results.summary.failed++
} else {
results.checks.push({
name: "Secret Detection",
description: "Scan for hardcoded secrets and API keys",
status: "passed",
})
results.summary.passed++
}
}
// Check for common code security issues
if (auditType === "all" || auditType === "code") {
const codeIssues = await scanCodeSecurity(cwd)
if (codeIssues.length > 0) {
results.checks.push({
name: "Code Security",
description: "Check for common security anti-patterns",
status: "warning",
findings: codeIssues,
})
results.summary.warnings++
} else {
results.checks.push({
name: "Code Security",
description: "Check for common security anti-patterns",
status: "passed",
})
results.summary.passed++
}
}
// Generate recommendations
results.recommendations = generateRecommendations(results)
return results
},
})
interface AuditCheck {
name: string
description: string
command?: string
severityFilter?: string
status: "pending" | "passed" | "failed" | "warning"
findings?: Array<{ file: string; issue: string; line?: number }>
}
interface AuditResults {
timestamp: string
directory: string
checks: AuditCheck[]
summary: {
passed: number
failed: number
warnings: number
}
recommendations?: string[]
}
async function scanForSecrets(
cwd: string
): Promise<Array<{ file: string; issue: string; line?: number }>> {
const findings: Array<{ file: string; issue: string; line?: number }> = []
// Patterns to DETECT potential secrets (security scanning)
const secretPatterns = [
{ pattern: /api[_-]?key\s*[:=]\s*['"][^'"]{20,}['"]/gi, name: "API Key" },
{ pattern: /password\s*[:=]\s*['"][^'"]+['"]/gi, name: "Password" },
{ pattern: /secret\s*[:=]\s*['"][^'"]{10,}['"]/gi, name: "Secret" },
{ pattern: /Bearer\s+[A-Za-z0-9\-_]+\.[A-Za-z0-9\-_]+/g, name: "JWT Token" },
{ pattern: /sk-[a-zA-Z0-9]{32,}/g, name: "OpenAI API Key" },
{ pattern: /ghp_[a-zA-Z0-9]{36}/g, name: "GitHub Token" },
{ pattern: /aws[_-]?secret[_-]?access[_-]?key/gi, name: "AWS Secret" },
]
const ignorePatterns = [
"node_modules",
".git",
"dist",
"build",
".env.example",
".env.template",
]
const srcDir = path.join(cwd, "src")
if (fs.existsSync(srcDir)) {
await scanDirectory(srcDir, secretPatterns, ignorePatterns, findings)
}
// Also check root config files
const configFiles = ["config.js", "config.ts", "settings.js", "settings.ts"]
for (const configFile of configFiles) {
const filePath = path.join(cwd, configFile)
if (fs.existsSync(filePath)) {
await scanFile(filePath, secretPatterns, findings)
}
}
return findings
}
async function scanDirectory(
dir: string,
patterns: Array<{ pattern: RegExp; name: string }>,
ignorePatterns: string[],
findings: Array<{ file: string; issue: string; line?: number }>
): Promise<void> {
if (!fs.existsSync(dir)) return
const entries = fs.readdirSync(dir, { withFileTypes: true })
for (const entry of entries) {
const fullPath = path.join(dir, entry.name)
if (ignorePatterns.some((p) => fullPath.includes(p))) continue
if (entry.isDirectory()) {
await scanDirectory(fullPath, patterns, ignorePatterns, findings)
} else if (entry.isFile() && entry.name.match(/\.(ts|tsx|js|jsx|json)$/)) {
await scanFile(fullPath, patterns, findings)
}
}
}
async function scanFile(
filePath: string,
patterns: Array<{ pattern: RegExp; name: string }>,
findings: Array<{ file: string; issue: string; line?: number }>
): Promise<void> {
try {
const content = fs.readFileSync(filePath, "utf-8")
const lines = content.split("\n")
for (let i = 0; i < lines.length; i++) {
const line = lines[i]
for (const { pattern, name } of patterns) {
// Reset regex state
pattern.lastIndex = 0
if (pattern.test(line)) {
findings.push({
file: filePath,
issue: `Potential ${name} found`,
line: i + 1,
})
}
}
}
} catch {
// Ignore read errors
}
}
async function scanCodeSecurity(
cwd: string
): Promise<Array<{ file: string; issue: string; line?: number }>> {
const findings: Array<{ file: string; issue: string; line?: number }> = []
// Patterns to DETECT security anti-patterns (this tool scans for issues)
// These are detection patterns, not code that uses these anti-patterns
const securityPatterns = [
{ pattern: /\beval\s*\(/g, name: "eval() usage - potential code injection" },
{ pattern: /innerHTML\s*=/g, name: "innerHTML assignment - potential XSS" },
{ pattern: /dangerouslySetInnerHTML/g, name: "dangerouslySetInnerHTML - potential XSS" },
{ pattern: /document\.write/g, name: "document.write - potential XSS" },
{ pattern: /\$\{.*\}.*sql/gi, name: "Potential SQL injection" },
]
const srcDir = path.join(cwd, "src")
if (fs.existsSync(srcDir)) {
await scanDirectory(srcDir, securityPatterns, ["node_modules", ".git", "dist"], findings)
}
return findings
}
function generateRecommendations(results: AuditResults): string[] {
const recommendations: string[] = []
for (const check of results.checks) {
if (check.status === "failed" && check.name === "Secret Detection") {
recommendations.push(
"CRITICAL: Remove hardcoded secrets and use environment variables instead"
)
recommendations.push("Add a .env file (gitignored) for local development")
recommendations.push("Use a secrets manager for production deployments")
}
if (check.status === "warning" && check.name === "Code Security") {
recommendations.push(
"Review flagged code patterns for potential security vulnerabilities"
)
recommendations.push("Consider using DOMPurify for HTML sanitization")
recommendations.push("Use parameterized queries for database operations")
}
if (check.status === "pending" && check.name === "Dependency Vulnerabilities") {
recommendations.push("Run 'npm audit' to check for dependency vulnerabilities")
recommendations.push("Consider using 'npm audit fix' to auto-fix issues")
}
}
if (recommendations.length === 0) {
recommendations.push("No critical security issues found. Continue following security best practices.")
}
return recommendations
}