API Tester MCP server

by ryudi84·io.github.ryudi84/api-tester·v1.0.0·1 stars

MCP server for API testing: HTTP requests, cURL generation, health checks.

B75/100grade B

What users say

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Safety scan

B75/100

Adoption

New

1 stars

Reviews

Nobody has reviewed API Tester yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

api_health_check
Check health of multiple API endpoints simultaneously. Shows UP/DOWN status table with response times.
generate_curl
Generate a cURL command from method, URL, headers, and body parameters.
http_request
Make an HTTP request (GET, POST, PUT, DELETE, PATCH) with custom headers and body. Returns status, timing, response headers, and body.
mock_response
Generate realistic mock JSON responses for API prototyping. Supports resource types: user, product, order, post, comment.
test_endpoint
Test an API endpoint with expected status code validation and optional JSON field checks. Shows PASS/FAIL for each check.

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings

Code scan3 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 214 days ago4/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 75/100; higher than 45% of 48,255 servers
Tools: 5; the typical server has 7
Tools that change things: 0%; typical: 0%. Fewer write tools means less an agent can break
GitHub stars: 1; more than 65% of 28,688 servers

What its tools let an agent do: 4 read · 1 create

Runs npx -y sovereign-api-tester-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add api-tester -- npx -y sovereign-api-tester-mcp

Is API Tester MCP server safe?: Mostly: it is graded B (75/100). Read the API Tester safety report
How do I install API Tester?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does API Tester need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is API Tester maintained?: The last commit was 251 days ago (2026-02-25). The latest release is v1.0.0.
What can I use instead of API Tester?: Servers from other publishers that do the same job: Keploy MCP server and Domain Liveness MCP server.
How does API Tester compare with other MCP servers?: safety score 75/100 (higher than 45% of 48,255 servers); tools 5 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Same job from other publishers: the closest match first, then the best rated.

Keploy
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
not reviewed
Established
A
Domain Liveness
Is this business's website still there? Checks apex and www, and DNS separately from HTTP.
not reviewed
Established
A