MCP server

StringSpec Official

com.stringspec/mcp

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Lab measurements of nearly 800 tennis strings: search, compare and get recommendations.

Working at last checkVerified publisher: stringspec.comAbout 1,421 tokens per request once connected4 tools

https://stringspec.com/mcp

At a glance

Type: MCP server
Publisher: stringspec.com (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 1,421 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http stringspec https://stringspec.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.stringspec]
url = "https://stringspec.com/mcp"

Gemini CLI

{"mcpServers":{"stringspec":{"httpUrl":"https://stringspec.com/mcp"}}}

Cursor

{"mcpServers":{"stringspec":{"url":"https://stringspec.com/mcp"}}}

VS Code

{"servers":{"stringspec":{"type":"http","url":"https://stringspec.com/mcp"}}}

Antigravity

agy mcp add stringspec https://stringspec.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"stringspec","server_url":"https://stringspec.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"stringspec","server_url":"https://stringspec.com/mcp"}

compare_strings ~121 tokens
Side-by-side measurements, percentiles, prices and buy links for 2 or 3 strings by name, with the StringSpec comparison page when there are two.
get_string ~217 tokens
Everything StringSpec has on one string, found by name (misspellings and missing gauges are fine): every measurement with its database percentile, elongation at 40, 51 and 62 lb, an estimated playable life, a tension adjustment versus the player's usual, how it ranks for each playing need (spin, com
recommend_strings ~517 tokens
Rank the database for what a player wants, with StringSpec's string finder: one main need and an optional second one (spin (More spin and shape), comfort (Easier on my arm), control (More control, less launch), power (More power and depth), hold (Plays the same for longer), durable (Lasts longer bef
search_strings ~566 tokens
Search 791 lab-measured tennis strings by name, brand, material and gauge, sorted by a measurement or by price. Each result carries stiffness (lb/in), tension loss (%), energy return (%), spin potential, ball bite and string friction, each with its percentile in the database, plus the current retail

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