JMeter Docs MCP
An MCP server that connects AI agents to Apache JMeter documentation, providing grounded answers with source links for building test plans, troubleshooting runs, and learning best practices without requiring an API key.
Endpoint and access
No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.
https://docs.jmeter.ai/api/mcpWhat its tools do
16 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.
Not annotated (16)
search_jmeter_docsget_jmeter_pagelint_jmx_snippetcalculate_workload_modellookup_jmeter_propertyget_jsr223_recipelint_groovy_scriptlookup_error_playbooktriage_errorslookup_componentlookup_functionplan_distributed_testingtune_linux_osconvert_curl_or_har_to_jmxconvert_openapi_to_jmxget_correlation_sandbox
Checks and signals
Each line is separate evidence, not a trust score.
- Passed Endpoint answered the live check ·
- Availability 1 of 1 checks passed in 30 days
What you can do with it
- Get help building test plans
- Troubleshoot JMeter runs
- Learn best practices
- Connect AI agents to JMeter docs
Source and maintenance
- Maintenance checked
Protocol and capabilities
- Server
- jmeter-docs 1.6.0
- MCP protocol negotiated in check
- 2025-11-25
- Tools
- 16 advertised
- Resources
- Not advertised
- Resource templates
- Not advertised
- Prompts
- Not advertised
{
"tools": {
"listChanged": true
}
}Server-provided instructions
Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.
Tools
16 advertised
search_jmeter_docs — Search JMeter documentation
Search the Apache JMeter documentation on docs.jmeter.ai. Returns the most relevant pages with titles, URLs, and snippets. Use for any question about JMeter test plans, components, functions, properties, distributed testing, reports, or troubleshooting.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"minLength": 1,
"description": "Search query, e.g. \"how to correlate dynamic values\" or \"thread group ramp up\""
}
}
}get_jmeter_page — Read a JMeter documentation page
Fetch the full markdown text of one docs.jmeter.ai page. Accepts the page URL (e.g. https://docs.jmeter.ai/topics/api-load-testing/) or a bare path (e.g. topics/api-load-testing).
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"minLength": 1,
"description": "Page URL or path, e.g. https://docs.jmeter.ai/user-manual/functions/ or user-manual/functions"
}
}
}lint_jmx_snippet — Lint JMX Test Plan Snippet
Validate a JMeter test plan XML string or snippet against best practices and performance anti-patterns, and return a structural inventory with thread groups, sampler/listener/assertion counts, HTTP Defaults/Header/Cookie/CSV presence, plugin classes, and JMeter version.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"jmxContent"
],
"properties": {
"jmxContent": {
"type": "string",
"maxLength": 1000000,
"minLength": 1,
"description": "JMX XML string or test plan snippet to analyze (max 1MB)."
}
}
}calculate_workload_model — Calculate Workload Model & Little's Law Sizing
Compute required thread concurrency, pacing delays, ramp-up schedules, and JVM heap recommendations based on target RPS/TPS and SLA response times using Little's Law.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"targetRps",
"avgResponseTimeMs"
],
"properties": {
"targetRps": {
"type": "number",
"description": "Target throughput in requests / transactions per second (RPS/TPS).",
"exclusiveMinimum": 0
},
"thinkTimeMs": {
"type": "number",
"minimum": 0,
"description": "Think time / user pause between requests in milliseconds (default: 0)."
},
"safetyFactor": {
"type": "number",
"minimum": 1,
"description": "Headroom safety buffer multiplier (default: 1.25 = 25% buffer)."
},
"avgResponseTimeMs": {
"type": "number",
"description": "Expected average response time in milliseconds.",
"exclusiveMinimum": 0
},
"testDurationMinutes": {
"type": "number",
"description": "Steady-state test duration in minutes (default: 10).",
"exclusiveMinimum": 0
}
}
}lookup_jmeter_property — Lookup JMeter Tuning Property
Search or lookup curated JMeter properties (e.g. "httpclient4.idletimeout", "jmeter.save.saveservice.*", "remote_hosts", "summariser"). Returns category, defaults, and recommendations.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"description": "Property name or keyword to search (e.g. \"ssl\", \"timeout\", \"jtl\", \"influxdb\")."
}
}
}get_jsr223_recipe — Get Verified JSR223 Groovy Recipe
Fetch production-ready, performant Groovy scripts for JMeter JSR223 samplers, preprocessors, and postprocessors (e.g., JWT parsing & expiration, HMAC-SHA256 signing, dynamic header injection, nested JSON array extraction, custom CSV failure logging).
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"query": {
"type": "string",
"description": "Filter by keyword or topic (e.g. \"jwt\", \"hmac\", \"header\", \"json\", \"csv\", \"logging\"). If omitted, returns all recipes."
}
}
}lint_groovy_script — Lint JMeter Groovy (JSR223) Script
Statically analyze a Groovy script for a JMeter JSR223 element. Flags Thread.sleep, ${var} interpolation, System.out, BeanShell APIs, per-call Random or Pattern.compile, and bindings such as prev, SampleResult, or sampler that the selected element type does not expose; optionally returns ready-to-paste JMX element XML.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"code"
],
"properties": {
"code": {
"type": "string",
"maxLength": 200000,
"minLength": 1,
"description": "Groovy script source."
},
"name": {
"type": "string",
"maxLength": 120,
"description": "testname for the generated JMX element (default: element label)."
},
"parameters": {
"type": "string",
"maxLength": 2000,
"description": "Space-separated parameters available through Parameters and args."
},
"elementType": {
"enum": [
"JSR223Sampler",
"JSR223PreProcessor",
"JSR223PostProcessor",
"JSR223Assertion",
"JSR223Timer",
"JSR223Listener"
],
"type": "string",
"description": "(default: JSR223PostProcessor)"
},
"includeJmxElement": {
"type": "boolean",
"description": "Also return the JSR223 element XML with compilation caching enabled (default: true)."
}
}
}lookup_error_playbook — Lookup Error & Exception Diagnostic Playbook
Get immediate root causes, OS/JVM config fixes, and remediation steps for common JMeter exceptions (e.g. "BindException", "SocketTimeoutException", "OutOfMemoryError", "NoHttpResponseException", "SSLHandshakeException", "401/403 after recording"). When keywords miss, unmatched text is sent to classifier.dev for zero-shot semantic matching (public keyless calls are not stored).
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"description": "Error message, exception name, or status (e.g. \"bindexception\", \"heap\", \"timeout\", \"401\")."
},
"classifierApiKey": {
"type": "string",
"description": "Your own classifier.dev API key for the semantic fallback (anonymous quota is shared); never logged."
}
}
}triage_errors — Triage a Batch of JMeter Error Signatures
Map a run's distinct failure signatures to docs.jmeter.ai error playbooks. Error text is sent to classifier.dev for zero-shot classification (public keyless calls are not stored; obvious secrets are redacted first). Prefer signatures shaped as "sampler | response code | response message".
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"errors"
],
"properties": {
"tier": {
"enum": [
"fast",
"smart"
],
"type": "string",
"description": "Classifier tier (default: \"fast\"). \"smart\" re-asks only signatures below minConfidence (slower)."
},
"errors": {
"type": "array",
"items": {
"type": "object",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 2000,
"minLength": 1,
"description": "One distinct failure signature, ideally \"sampler | response code | response message\"."
},
"count": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": 0,
"description": "How many samples showed this signature (default: 1)."
}
}
},
"maxItems": 1000,
"minItems": 1,
"description": "Distinct error signatures to triage."
},
"minConfidence": {
"type": "number",
"maximum": 1,
"minimum": 0,
"description": "Confidence threshold for auto-bucketing a signature to a playbook (default: 0.7)."
},
"classifierApiKey": {
"type": "string",
"description": "Your own classifier.dev API key (anonymous quota is shared); never logged."
}
}
}lookup_component — Lookup JMeter Component Reference Page
Find the dedicated reference page for a JMeter test plan component (e.g. "HTTP Request", "JSON Extractor", "Thread Group") and return its full markdown content with properties, defaults, and related guides.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"name"
],
"properties": {
"name": {
"type": "string",
"minLength": 1,
"description": "Component name, exact or partial (e.g. \"HTTP Request\", \"JSON Extractor\", \"CSV Data Set\")."
}
}
}lookup_function — Lookup JMeter Function Reference Page
Find the dedicated reference page for a built-in JMeter function (e.g. "__time", "__Random", "__P") and return its full markdown content with syntax, parameters, and examples.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"name"
],
"properties": {
"name": {
"type": "string",
"minLength": 1,
"description": "Function name, with or without leading underscores (e.g. \"__time\", \"time\", \"__RandomString\")."
}
}
}plan_distributed_testing — Plan Distributed Testing Ports & Firewall Rules
Generate Master-Worker RMI port assignments, user.properties, CLI commands, firewall/security group rules, and Docker Compose manifests for distributed load testing.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"workerIps"
],
"properties": {
"mode": {
"enum": [
"StrippedBatch",
"Statistical",
"Batch",
"Standard"
],
"type": "string",
"description": "Sample transmission mode (default: \"StrippedBatch\")."
},
"workerIps": {
"type": "string",
"description": "Comma or space-separated list of worker / injector IP addresses (e.g. \"10.0.1.10, 10.0.1.11, 10.0.1.12\")."
},
"disableSsl": {
"type": "boolean",
"description": "Disable RMI SSL (default: false). Only for isolated labs."
},
"serverPort": {
"type": "integer",
"maximum": 65535,
"minimum": 1024,
"description": "RMI registry port on workers (default: 1099)."
},
"environment": {
"enum": [
"aws",
"azure",
"gcp",
"linux",
"docker",
"k8s"
],
"type": "string",
"description": "Target infrastructure environment for firewall/CLI rules (default: \"aws\")."
},
"controllerIp": {
"type": "string",
"description": "Controller / Master node IP or hostname (default: \"10.0.0.5\")."
},
"clientRmiLocalPort": {
"type": "integer",
"maximum": 65535,
"minimum": 1024,
"description": "Pinned controller callback port (default: 60000)."
},
"serverRmiLocalPort": {
"type": "integer",
"maximum": 65535,
"minimum": 1024,
"description": "Pinned worker engine port (default: 50000)."
}
}
}tune_linux_os — Linux Kernel & OS Tuning for Load Injectors
Generate production sysctl.conf, limits.conf, systemd overrides, and Docker/K8s configs tuned for high-concurrency JMeter load testing (fixing ulimit nofile, BindException port exhaustion, somaxconn backlog, and JVM swappiness).
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"role": {
"enum": [
"injector",
"target_sut"
],
"type": "string",
"description": "Machine role: \"injector\" (JMeter client) or \"target_sut\" (default: \"injector\")."
},
"ramGb": {
"type": "integer",
"maximum": 512,
"minimum": 2,
"description": "Host machine RAM in GB for TCP buffer sizing (default: 16)."
},
"concurrency": {
"type": "integer",
"maximum": 500000,
"minimum": 100,
"description": "Target concurrent connections/threads (default: 10000)."
},
"trafficType": {
"enum": [
"http_churn",
"http_keepalive",
"streaming_ws_grpc"
],
"type": "string",
"description": "Traffic profile (default: \"http_churn\")."
},
"targetDistro": {
"enum": [
"ubuntu_debian",
"rhel_rocky",
"amazon_linux",
"docker_k8s"
],
"type": "string",
"description": "Linux distro or container target (default: \"ubuntu_debian\")."
}
}
}convert_curl_or_har_to_jmx — Convert cURL or HAR to JMeter JMX Test Plan
Convert one or more cURL commands or HAR (HTTP Archive 1.2) JSON traces into a valid, production-ready Apache JMeter .jmx test plan XML with HTTP Request Defaults, Header Managers, Cookie Managers, timeouts, and assertions. Supports GET, POST, PUT, DELETE, PATCH, and RFC 9838 QUERY methods.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"input"
],
"properties": {
"input": {
"type": "string",
"maxLength": 1000000,
"minLength": 1,
"description": "cURL command string (single, multiline, or batch) or HAR 1.2 JSON text (max 1MB)."
},
"threads": {
"type": "integer",
"maximum": 50000,
"minimum": 1,
"description": "Thread concurrency / virtual users (default: 1)."
},
"loopCount": {
"type": "integer",
"maximum": 1000000,
"minimum": -1,
"description": "Loop count (-1 for infinite, default: 1)."
},
"testPlanName": {
"type": "string",
"maxLength": 200,
"description": "Name of the JMeter Test Plan (default: \"cURL Converted Plan\")."
},
"rampUpSeconds": {
"type": "integer",
"maximum": 3600,
"minimum": 0,
"description": "Ramp-up time in seconds (default: 1)."
},
"durationSeconds": {
"type": "integer",
"maximum": 86400,
"minimum": 0,
"description": "Test duration in seconds (0 = disabled, default: 0)."
},
"parameterizeAuth": {
"type": "boolean",
"description": "Extract Bearer token into ${AUTH_TOKEN} variable (default: true)."
},
"parameterizeHost": {
"type": "boolean",
"description": "Extract common host into HTTP Request Defaults and ${BASE_URL} (default: true)."
},
"includeAssertions": {
"type": "boolean",
"description": "Add HTTP 200/201/204 Response Code assertions (default: true)."
},
"filterStaticAssets": {
"type": "boolean",
"description": "Filter out images/css/fonts when parsing HAR (default: true)."
},
"includeCookieManager": {
"type": "boolean",
"description": "Include HTTP Cookie Manager (default: true)."
}
}
}convert_openapi_to_jmx — Convert OpenAPI / Swagger to JMeter JMX Test Plan
Convert an OpenAPI 3.0/3.1 or Swagger 2.0 document (JSON or YAML) into a JMeter 5.6.3 .jmx test plan: servers become HTTP Request Defaults/${BASE_URL}, path parameters become User Defined Variables, request bodies are sampled from schemas, bearer/basic/apiKey security becomes ${AUTH_TOKEN}/${BASIC_AUTH}/${API_KEY}, with optional method, tag, and deprecated-operation filters.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"input"
],
"properties": {
"tags": {
"type": "array",
"items": {
"type": "string",
"maxLength": 100
},
"maxItems": 100,
"description": "Only include operations with one of these tags (\"default\" = untagged). Empty = all."
},
"input": {
"type": "string",
"maxLength": 1000000,
"minLength": 1,
"description": "OpenAPI 3.x or Swagger 2.0 document as JSON or YAML text (max 1MB)."
},
"methods": {
"type": "array",
"items": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD",
"OPTIONS",
"TRACE"
],
"type": "string"
},
"description": "HTTP methods to include (default: GET, POST, PUT, PATCH, DELETE)."
},
"threads": {
"type": "integer",
"maximum": 50000,
"minimum": 1,
"description": "Thread concurrency / virtual users (default: 10)."
},
"loopCount": {
"type": "integer",
"maximum": 1000000,
"minimum": -1,
"description": "Loop count (-1 for infinite, default: 1)."
},
"serverIndex": {
"type": "integer",
"maximum": 50,
"minimum": 0,
"description": "Zero-based index of the OpenAPI server to use (default: 0)."
},
"testPlanName": {
"type": "string",
"maxLength": 200,
"description": "Name of the JMeter Test Plan."
},
"maxOperations": {
"type": "integer",
"maximum": 500,
"minimum": 1,
"description": "Maximum number of operations to convert (default: 500)."
},
"rampUpSeconds": {
"type": "integer",
"maximum": 3600,
"minimum": 0,
"description": "Ramp-up time in seconds (default: 5)."
},
"durationSeconds": {
"type": "integer",
"maximum": 86400,
"minimum": 0,
"description": "Test duration in seconds (0 = disabled, default: 0)."
},
"parameterizeHost": {
"type": "boolean",
"description": "Extract the common host into HTTP Request Defaults and ${BASE_URL} (default: true)."
},
"useExampleValues": {
"type": "boolean",
"description": "Substitute example/sample values into path params instead of ${var} variables (default: false)."
},
"includeAssertions": {
"type": "boolean",
"description": "Add HTTP 200/201/204 Response Code assertions (default: true)."
},
"includeDeprecated": {
"type": "boolean",
"description": "Include deprecated operations (default: false)."
},
"includeCookieManager": {
"type": "boolean",
"description": "Include HTTP Cookie Manager (default: true)."
},
"includeOptionalQueryParams": {
"type": "boolean",
"description": "Include optional query parameters (default: false)."
}
}
}get_correlation_sandbox — Get Correlation & Practice Sandbox Test Plan
Generate a ready-to-run Apache JMeter 5.6.3 .jmx practice test plan (either "solved" with Boundary/JSON/Header extractors or "challenge" with broken hardcoded tokens) targeting the live docs.jmeter.ai/api/sandbox endpoints or local localhost:8787 server.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"mode": {
"enum": [
"solved",
"challenge"
],
"type": "string",
"description": "\"solved\" returns a working correlated .jmx plan; \"challenge\" returns a broken plan with hardcoded recorded tokens for debugging practice. Default: \"solved\"."
},
"flowId": {
"enum": [
"flow1",
"flow2",
"flow3",
"flow4"
],
"type": "string",
"description": "Practice flow: \"flow1\" (CSRF + Cookie), \"flow2\" (JWT Bearer + Order chain), \"flow3\" (ASP.NET __VIEWSTATE + Header ticket), or \"flow4\" (HTTP 429 & JSON Assertion chaos). Default: \"flow1\"."
},
"target": {
"enum": [
"edge",
"local"
],
"type": "string",
"description": "\"edge\" targets https://docs.jmeter.ai/api/sandbox (1-thread debug); \"local\" targets http://localhost:8787/api/sandbox (high-RPS). Default: \"edge\"."
}
}
}Prompts
Not advertised
Resources
Not advertised
30-day availability
Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.
- Successful checks
- 1 of 1 (100%)
- Average latency
- 1163 ms
- 95th percentile latency
- 1163 ms
Maintenance history
Public check and source-refresh events. Editorial and ownership records remain private.
- · probe · passed · 1163 ms · metadata changed · 16 tool(s)
Connect from your client
Each snippet registers the same endpoint; pick the client you use.
Claude Code
claude mcp add --transport http jmeter-docs-mcp https://docs.jmeter.ai/api/mcpCodex
codex mcp add jmeter-docs-mcp --url https://docs.jmeter.ai/api/mcpCursor
{
"mcpServers": {
"jmeter-docs-mcp": {
"url": "https://docs.jmeter.ai/api/mcp"
}
}
}Cline
{
"mcpServers": {
"jmeter-docs-mcp": {
"type": "streamableHttp",
"url": "https://docs.jmeter.ai/api/mcp",
"disabled": false
}
}
}VS Code
{
"servers": {
"jmeter-docs-mcp": {
"type": "http",
"url": "https://docs.jmeter.ai/api/mcp"
}
}
}Gemini CLI
gemini mcp add --transport http jmeter-docs-mcp https://docs.jmeter.ai/api/mcpClaude Desktop
https://docs.jmeter.ai/api/mcpWindsurf
{
"mcpServers": {
"jmeter-docs-mcp": {
"serverUrl": "https://docs.jmeter.ai/api/mcp"
}
}
}Let your agent find its tools
Find servers like JMeter Docs MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.