API Test MCP server
Call the real API and check the response against your OpenAPI spec.
0 stars26 downloads/wk
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If you have run it, two minutes of your experience saves the next person an afternoon.
API Test tools (8, 1 write)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
call_endpointMake an actual HTTP call to a documented endpoint and return the real status, headers, and body.
check_healthOne-shot health check: calls each given endpoint (or, if none given, every parameter-free GET in the
diff_api_specsCompare two OpenAPI/Swagger specs (each a URL or local file path — e.g. an old tag vs. the current main)
list_endpointsList every endpoint (method + path) from the currently loaded API spec.
load_api_specLoad and fully dereference an OpenAPI/Swagger spec from a URL or local file path (JSON or YAML).
run_all_testswrite actionBest-effort run across every GET endpoint that needs no required parameters: calls each one for real and
test_endpointCall a documented endpoint with real parameters, then validate the real response against its documented schema.
validate_responseCheck a response body against the JSON schema documented for a given method + path + status code.
Public scan report
scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it
- Code scan4 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 20 days ago15/15
- Maintainer identityregistry namespace matches repository owner6/10
Install directly
Runs npx -y api-test-mcp on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add api-test-mcp -- npx -y api-test-mcp
API Test: common questions
- Is API Test MCP server safe?
- Yes, by our scan: it is graded A (89/100). Read the API Test safety report
- How do I install API Test?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does API Test need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is API Test maintained?
- The last commit was 20 days ago (2026-08-31). The latest release is v1.0.2.