API Development MCP Servers for DeepSeek Harness

Building, testing and documenting APIs: specs, mock servers, contract checks. 613 API Development MCP servers on Mcprush that work with DeepSeek Harness.

613 MCP servers

Scanned where there is a package or repository to read — the grade is on each server's page
API DevelopmentWorks with DeepSeek Harness

MCP server for the ChartObserver paper-trading platform. Lets an AI agent (Claude Desktop, etc.) read portfolio state, place trades, and

1/day 13 tools
Free

Turn any OpenAPI spec into an executable agent interface using graphs and semantic search.

1/day
Free

An MCP Client for connecting to MCP Server‐compatible services at https://app.pinax.network.

1/day
Free

MCP server for the BetterFans Link SDK — the OnlyFans API. Gives AI coding assistants (Claude Code, Cursor, Windsurf) access to OnlyFans

1/day 3 tools
Free
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