add_duration_assertion

MCP tool from Jmeter MCP Server by juliodelimas

Duration Assertion (response-time SLA)

How to use it

Project documentation lists add_duration_assertion for the Jmeter MCP Server MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), then check which tools your installed version makes available. Tool availability can depend on configuration and credentials. A server handshake does not verify this tool’s behavior. See the full listing for setup details.

Install Jmeter MCP Server

$npx -y jmeter-mcp-server
FULL JMETER MCP SERVER LISTING

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add_constant_timer

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add_cookie_manager

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add_csv_data_set

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add_ftp_request

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add_http_request_defaults

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add_interleave_controller

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add_jdbc_connection_configuration

JDBC Connection Configuration (pooled datasource)

add_jdbc_request

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add_json_assertion

JSON Assertion (JSONPath validation)

add_json_extractor

JSON Extractor post-processor

add_jsr223_postprocessor

JSR223 PostProcessor

add_jsr223_preprocessor

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add_jsr223_sampler

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add_regex_extractor

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add_response_assertion

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add_setup_thread_group

setUp Thread Group (runs once before all Thread Groups)

add_size_assertion

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add_summary_report_listener

Summary Report listener

add_tcp_sampler

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add_teardown_thread_group

tearDown Thread Group (runs once after all Thread Groups)

add_thread_group

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add_transaction_controller

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add_uniform_random_timer

Uniform Random Timer (randomized pacing)

add_user_defined_variables

User Defined Variables

add_user_parameters

User Parameters (per-thread variable value sets)

add_view_results_tree_listener

View Results Tree listener (full request/response capture for debugging)

add_while_controller

While Controller (repeats children while a condition holds)

add_xpath_extractor

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create_test_plan

Root TestPlan node — returns planId and the root node id

remove_element

Remove an element (and its subtree); rejects removing the root TestPlan node

update_element

Shallow-merge (or replace) a node's props; a prop value of null deletes that key. Validated against the node's type when known