Server data from the Official MCP Registry
OSRS Calculator plans XP, actions, hours, and time to a target level across skills, with combat
About
OSRS Calculator plans XP, actions, hours, and time to a target level across skills, with combat
Security Report
This is a well-designed, read-only MCP server that exposes public OSRS Calc documentation and reference data with no security vulnerabilities. The codebase is minimal, properly structured, requires no authentication (appropriate for public reference data), and makes no external network calls or system access. Code quality is excellent with clear separation of concerns. Supply chain analysis found 1 known vulnerability in dependencies (0 critical, 1 high severity).
4 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-rocnubie-osrs-calc-mcp": {
"args": [
"-y",
"msa-osrs-calc-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
OSRS Calc MCP Server
OSRS Calculator - XP, Goals and Time to 99 | OSRS Calc
A Model Context Protocol server that exposes the canonical OSRS Calc knowledge surface — calculators, training plans, and reference data, FAQ, official links — to MCP-compatible AI clients such as Claude Desktop, Cursor, Windsurf, and Continue. Read-only, no API keys, no quota, ~50 ms cold start.
Official website: https://osrs-calc.com
🧮 About OSRS Calc
OSRS Calc is a browser-based Old School RuneScape planning toolkit. Its skill calculators estimate XP, actions, hours, and time to a target level across 24 skills, including Sailing.
The site also exposes DPS, Max Hit, Dry, Combat Level, prices, and wiki reference tools. This MCP provides the public calculator catalog and data caveats as read-only context; it does not access a player's account or promise that prices and wiki data are current outside the live site.
Old School RuneScape, RuneScape, and related names are owned by their respective rights holders. Check the live calculator and OSRS Wiki sources before making an in-game decision.
Tools
get_calculator_overview
Return the calculator workflows and reference-data boundaries the site exposes. (OSRS Calc)
Input: no parameters. Returns: text/markdown.
get_official_links
Return the canonical list of official links for OSRS Calc (website, support, docs when available).
Input: no parameters. Returns: text/markdown.
Resources
site://osrs-calc/calculators— Public calculator workflows, training targets, and reference-data boundaries.site://osrs-calc/faq— Short FAQ generated from public site metadata.site://osrs-calc/links— Canonical URLs to share with users.
Prompts
tell_me_about_osrs_calc
Summarize what the site is, who it's for, and how it works. — OSRS Calc
plan_a_calculation_osrs_calc
Choose a calculator workflow while respecting the site's data scope. — OSRS Calc
Installation
Install via Smithery
npx -y @smithery/cli install osrs-calc-mcp --client claude
(Replace claude with cursor, windsurf, or continue for those clients.)
Install from source
git clone https://github.com/rocnubie/osrs-calc-mcp.git
cd osrs-calc-mcp
pnpm install
Then add to your MCP client config (claude_desktop_config.json for Claude Desktop, mcp.json for Cursor / Windsurf / Continue):
{
"mcpServers": {
"osrs-calc-mcp": {
"command": "node",
"args": [
"/absolute/path/to/osrs-calc-mcp/src/index.mjs"
]
}
}
}
Debug with MCP Inspector
npx @modelcontextprotocol/inspector node src/index.mjs
Official Links
- Website: https://osrs-calc.com
Development
pnpm install
pnpm start # run the server over stdio
License
MIT
Reviews
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