API Development MCP Servers

MCP servers for designing, testing and calling APIs — REST, GraphQL, OpenAPI, webhooks and gateways. Each entry is scanned with the deterministic Capability-Flow Trust Model — grades are computed, never self-reported.

Silverback X402 npm
A
silverback-x402-mcp

Security scan results for the Silverback X402 MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Simple Gateway npm
A
mcp-simple-gateway

Security scan results for the Simple Gateway MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Simple Slack npm
A
simple-slack-mcp-server

Security scan results for the Simple Slack MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Simply Outlook npm
A
simply-outlook-mcp

Security scan results for the Simply Outlook MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Sipgateio npm
A
sipgateio-mcp

Security scan results for the Sipgateio MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Sitemapkit npm
A
sitemapkit-mcp

Security scan results for the Sitemapkit MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Slack Notify npm
A
slack-notify-mcp

Security scan results for the Slack Notify MCP server.

API Development Score 100/100 1 finding Cap. Moderate
Slackxmcp Source verified npm
A
slackxmcp

Security scan results for the Slackxmcp MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Sms Ir npm
A
mcp-sms-ir

Security scan results for the Sms Ir MCP server.

API Development Score 100/100 2 findings Cap. High
Sms8 npm
A
sms8-mcp

Security scan results for the Sms8 MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Smsvertpro npm
A
@3-bees-online/mcp-server-smsvertpro

Security scan results for the Smsvertpro MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Sonarr Source verified npm
A
sonarr-mcp

Security scan results for the Sonarr MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Spoken npm
A
spoken-mcp

Security scan results for the Spoken MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Spoolman Source verified npm
A
@disane-dev/spoolman-mcp

Security scan results for the Spoolman MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Sportscore npm
A
sportscore-mcp

Security scan results for the Sportscore MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Spruthub Source verified npm
A
spruthub-mcp-server

Security scan results for the Spruthub MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Startup Oracle npm
A
@pipeworx/mcp-startup-oracle

Security scan results for the Startup Oracle MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Starwars npm
A
@johnpapa/mcp-starwars

Security scan results for the Starwars MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Strapi npm
A
@lapage/strapi-mcp

Security scan results for the Strapi MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Submail npm
A
submail

Security scan results for the Submail MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Substack npm
A
@postcli/substack

Security scan results for the Substack MCP server.

API Development Score 100/100 9 findings Cap. High
Sudomock Source verified npm
A
@sudomock/mcp

Security scan results for the Sudomock MCP server.

API Development Score 100/100 0 findings Cap. Minimal
Supergateway npm
A
supergateway

Security scan results for the Supergateway MCP server.

API Development Score 100/100 10 findings Cap. High
Swapapi npm
A
@swapapi/mcp

Security scan results for the Swapapi MCP server.

API Development Score 100/100 1 finding Cap. High