MCP QA Server
Provides testing capabilities for WordPress sites, including plugin and theme validation, page content checks, and performance testing.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@MCP QA Serverrun QA tests for the current project"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
MCP QA Server
A reusable Model Context Protocol (MCP) server for QA automation testing. Works across multiple project types — web apps, API services, CLI tools, VM environments, and WordPress sites.
The server itself is project-agnostic. All project-specific test targets live in a .mcp-qa-config.json file inside each project's repository.
Quick Start
# Clone and install
git clone <repo-url> mcp-qa-server
cd mcp-qa-server
npm install
npm run build
# Install CLI globally
npm link
# In any project directory:
mcp-qa initRelated MCP server: mcp-playwright-test
Adding to Claude Desktop
Add to your Claude Desktop claude_desktop_config.json:
{
"mcpServers": {
"qa": {
"command": "node",
"args": ["/absolute/path/to/mcp-qa-server/dist/src/index.js"]
}
}
}Then ask Claude: "Run QA tests for this project" — Claude will use the qa_run_tests tool with your project path.
CLI Commands
mcp-qa init
Interactive initialization. Creates .mcp-qa-config.json in the current directory with sensible defaults based on your project type.
$ mcp-qa init
MCP QA Server — Project Initialization
──────────────────────────────────────────
? Project name: my-web-app
? Project type: Web Application
? Base URL: http://localhost:3000
? Which testing modules do you need? Web/UI Testing, API Testing
? Report format: Consolemcp-qa validate
Validates the config file in the current directory. Reports specific errors with field paths.
$ mcp-qa validate
Config is valid
Project: my-web-app
Type: web-app
Modules: web, api (2 active)
Issues: nonemcp-qa list-modules
Lists all available testing modules.
$ mcp-qa list-modules
Available Modules:
web Web/UI testing (page loads, forms, workflows)
api API endpoint testing (REST, response validation)
cli CLI tool testing (command execution, output validation)
vm VM environment validation (tools, deps, configs)
wordpress WordPress testing (plugins, themes, pages)
integration Integration testing (cross-module orchestration)
performance Performance testing (load, response times)MCP Tools
The server exposes 5 tools to Claude:
Tool | Description |
| Run all (or filtered) tests for a project |
| Run a single testing module |
| List available modules and their status |
| Validate the project config file |
| Retrieve the last test report |
Testing Modules
Web/UI (web)
Browser-based testing via Playwright (headless Chromium).
Page loads — URL reachability, status codes, load timing, content checks
Forms — Field filling, submission, redirect/content/error validation
Workflows — Multi-step browser interactions (navigate, click, fill, wait, assert)
Requires: npx playwright install chromium
API (api)
HTTP endpoint testing.
REST requests — All HTTP methods, headers, query params, request bodies
Response validation — Status codes, body type, key presence, value matching
Authentication — Bearer token, API key, Basic auth via environment variables
Chaining — Capture response values for use in subsequent requests
CLI (cli)
Command-line tool testing.
Execution — Spawn processes with args, env vars, stdin, timeout
Output validation — stdout/stderr exact match, contains, regex patterns
Exit codes — Assert specific exit codes
File creation — Verify commands create expected files with expected content
VM Environment (vm)
Validate development environment setup.
Tool checks — Binary existence on PATH via
command -vVersion validation — Semver range checking (e.g.,
>=20.0.0)Dependencies — Arbitrary command-based version checks
Config files — Existence, permissions, content pattern matching
Services — Systemd/launchd service status checks
WordPress (wordpress)
WordPress-specific testing.
Plugins — Installation and activation status via WP-CLI or HTTP fallback
Themes — Active theme validation
Pages — Content loading, status codes, content checks
Performance (performance)
Basic load and response time testing.
Timing — Single-request response time thresholds
Load testing — Concurrent request bursts with p50/p95/p99 percentiles
Error rates — Track failures under load
Integration (integration)
Cross-module test orchestration.
Scenarios — Sequential steps spanning multiple modules
Shared state — Pass data between modules via
context.storeStop on failure — Abort scenario when a step fails
Configuration
Config files live in each project as .mcp-qa-config.json. Run mcp-qa init to generate one, or create manually.
Schema
{
"configVersion": 1,
"projectName": "my-project",
"projectType": "web-app", // web-app | api-service | cli-tool | vm-environment | wordpress-site
"modules": ["web", "api"], // Which modules to enable
"reportFormat": "console", // console | json | github
"baseUrl": "http://localhost:3000",
"timeout": 30000, // Global timeout in ms
"env": {}, // Environment variables for test runs
"moduleConfig": { // Per-module config (see below)
"web": { ... },
"api": { ... }
}
}Module Config Examples
See the templates/ directory for complete examples:
templates/web-app.json— Web app with page loads, forms, workflows, API endpoints, performance targetstemplates/api-service.json— API service with auth, CRUD endpoints, performancetemplates/cli-tool.json— CLI with version, help, file processing, error handling commandstemplates/vm-environment.json— VM with tools, dependencies, config files, servicestemplates/wordpress-site.json— WordPress with plugins, themes, pages, performance
Report Formats
Console
Human-readable with [PASS]/[FAIL]/[SKIP]/[ERR!] indicators, file:line error locations, module grouping, and summary.
JSON
Machine-readable structured output. Full TestReport object with all results, timing, and error details.
GitHub Actions
Annotation format for CI. Produces ::error file=X,line=Y::message output that creates inline annotations on pull requests.
Error Reporting
All errors include location information when available:
Config errors — File path + line number pointing to the invalid field
Test failures — Test name, module, and the config entry that defined the test
Runtime errors — Stack traces with source locations
Console format: .mcp-qa-config.json:25 — Expected redirect to /dashboard
GitHub format: ::error file=.mcp-qa-config.json,line=25::Expected redirect to /dashboard
Development
npm run build # Compile TypeScript
npm run dev # Watch mode
npm test # Run tests
npm run lint # LintArchitecture
.mcp-qa-config.json (per project)
│
▼
┌─── MCP QA Server ──────────────┐
│ Config Loader → Module Registry│
│ │ │ │
│ Test Runner ← Base Module │
│ │ │ │
│ Reporter 7 Modules │
│ (console/json/github) │
└─────────────────────────────────┘
│
▼
Claude Desktop (via stdio)The server reads .mcp-qa-config.json from disk on every tool call (never cached) so edits are picked up immediately.
Available Tools
5 toolsqa_check_configA
Validate a project's .mcp-qa-config.json file. Returns validation results with specific error messages and line numbers if invalid.
| Name | Required | Description | Default |
|---|---|---|---|
| projectPath | Yes | Absolute path to the project directory containing .mcp-qa-config.json |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description must disclose all behavioral traits. It states the tool returns validation results with error messages and line numbers, but does not indicate whether it modifies any files, requires permissions, or has side effects. While not contradictory, it lacks depth for a validation tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences with no wasted words. It front-loads the core purpose and then specifies the output format, making it efficient for an AI agent to parse.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (single parameter, no output schema, no annotations), the description is reasonably complete. It explains what it validates and what results to expect, though it could mention that it is a read-only operation.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% for the single parameter 'projectPath', and its schema description adequately explains it. The tool description does not add any additional meaning beyond the schema, warranting a baseline score of 3.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool validates a specific file (.mcp-qa-config.json) and returns validation results. The verb 'Validate' and resource 'project's .mcp-qa-config.json file' are specific, and it distinguishes itself from sibling tools (e.g., qa_run_tests, qa_list_modules) by focusing on configuration validation.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool versus alternatives (e.g., qa_run_module, qa_run_tests) or context for usage. It does not mention prerequisites, when validation is needed, or when it might not be appropriate.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
qa_get_reportB
Retrieve the last test report for a project. Optionally specify a different output format than what the config defaults to.
| Name | Required | Description | Default |
|---|---|---|---|
| format | No | Output format. Defaults to the project's configured format. | |
| projectPath | Yes | Absolute path to the project directory |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries full burden but only states the basic action. It does not disclose consequences of missing reports, required permissions, side effects, or error behavior. This leaves the agent with incomplete understanding.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is very concise—two sentences that cover the core functionality and an optional parameter. No wasted words, and the structure is front-loaded with the primary action.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The description is adequate for a simple retrieval tool with well-documented parameters, but it lacks details about the output format (no output schema) and error conditions. It does not explain what 'last test report' means or how failures are handled, leaving some gaps.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the schema already explains both parameters. The description adds slight value by noting that the format parameter can override the config default, but it does not elaborate on other parameter details or add meaning beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states that the tool retrieves the last test report for a project, using a specific verb ('Retrieve') and resource ('test report'). It distinguishes itself from sibling tools like qa_run_tests (which runs tests) and qa_check_config (which checks config).
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description does not provide any guidance on when to use this tool versus alternatives. It mentions an optional format parameter but lacks explicit context about when the tool is appropriate or what prerequisites exist.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
qa_list_modulesA
List available QA testing modules. If a projectPath is provided, also shows which modules are enabled for that project.
| Name | Required | Description | Default |
|---|---|---|---|
| projectPath | No | Optional project path to show project-specific module status |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden. It discloses the main behavior (listing modules) and conditional behavior (with projectPath), but does not mention read-only nature, authentication needs, or rate limits. For a simple list tool, this is adequate but not exceptional.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences, front-loaded with the main purpose, and uses minimal words to convey the tool's function and conditional behavior. No wasted text.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the simplicity of the tool (one optional parameter, no output schema), the description covers the essential functionality. It could mention return format or that it returns a list of module names and statuses, but for a list tool, it is sufficiently complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100% (one parameter fully described). The tool description repeats the same information about the optional parameter, adding no new meaning beyond what the schema already provides.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb 'List' and the resource 'QA testing modules', and distinguishes itself from sibling tools like qa_run_module or qa_check_config by focusing on listing rather than execution or configuration.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description explains when to use the optional projectPath parameter (to see enabled modules for a specific project), which provides clear usage guidance. However, it does not explicitly state when not to use alternatives, but the sibling tools are sufficiently different.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
qa_run_moduleA
Run a single QA test module for a project. Use this for targeted testing of a specific area (e.g. just API tests or just VM checks).
| Name | Required | Description | Default |
|---|---|---|---|
| module | Yes | Module name to run (e.g. 'web', 'api', 'cli', 'vm', 'wordpress', 'performance', 'integration') | |
| testFilter | No | Only run tests whose names contain this substring | |
| projectPath | Yes | Absolute path to the project directory containing .mcp-qa-config.json |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden for behavioral disclosure. It does not reveal what happens on module failure, whether it modifies state, access permissions needed, or output format. For a test-running tool, basic behavioral info is missing.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences with no unnecessary words. It front-loads the action and purpose immediately, making it easy to parse.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a tool with three simple parameters and no output schema, the description covers the main purpose and usage scenario. It mentions 'targeted testing' and gives examples. It could mention the requirement of .mcp-qa-config.json (implied in projectPath schema), but overall it is reasonably complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Input schema coverage is 100%, so the schema already documents all three parameters adequately. The description adds no additional meaning or context beyond what the schema provides, adhering to the baseline of 3.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states that the tool runs a single QA test module for a project, using a specific verb ('Run') and resource ('single QA test module'). It also distinguishes from siblings like qa_run_tests by emphasizing targeted testing of a specific area (e.g., 'just API tests or just VM checks').
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides explicit context, recommending use for targeted testing of a specific area (e.g., 'just API tests or just VM checks'). It implies when to use this tool over alternatives like qa_run_tests, but does not explicitly state when not to use it or name alternatives directly.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
qa_run_testsA
Run QA tests for a project. Loads .mcp-qa-config.json from the project path, executes the configured test modules, and returns a formatted report. Optionally filter by module names or test name substring.
| Name | Required | Description | Default |
|---|---|---|---|
| filter | No | Only run tests whose names contain this substring | |
| modules | No | Only run these modules (e.g. ['web', 'api']). Defaults to all configured modules. | |
| projectPath | Yes | Absolute path to the project directory containing .mcp-qa-config.json |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries full burden. It discloses loading config, executing modules, and returning a report. However, it does not mention safety (e.g., whether tests can modify state), idempotency, or error behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two sentences with no fluff. Front-loaded with the core action and quickly provides additional details. Every word earns its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no output schema, the description mentions returning a 'formatted report' but lacks specifics on the report format or contents. Also lacks error handling or edge case info. Adequate but not comprehensive.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so baseline is 3. The description adds slight context (e.g., 'Only run tests whose names contain this substring' for filter) but largely restates schema descriptions. No deep semantic enrichment.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states 'Run QA tests for a project' with a specific verb and resource, and references the config file .mcp-qa-config.json. It distinguishes from siblings like qa_run_module by mentioning optional filtering by modules or test name.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage (when you want to run tests) but does not explicitly state when to use this tool versus alternatives like qa_run_module or qa_list_modules. No exclusions or 'when not to use' guidance.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.
5 tool updates
v0.1.0- First observed
qa_check_config - First observed
qa_get_report - First observed
qa_list_modules - First observed
qa_run_module - First observed
qa_run_tests
TDQS
Each tool serves a distinct purpose: validating config, retrieving reports, listing modules, running specific modules, and running full test suites. There is no overlap or ambiguity.
All tool names follow a consistent 'qa_verb_noun' pattern (e.g., qa_check_config, qa_run_tests), making them predictable and easy to understand.
Five tools is well-scoped for a QA-focused server, covering essential operations without being excessive or insufficient.
The tool set covers the core workflow: configuration validation, module listing, selective or full test execution, and report retrieval. No obvious gaps for the given domain.
Maintenance
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