io.github.lostnumber07/shearline

shearline

Analyst-grade US severe weather: warnings, SPC outlooks, RAP environment, MRMS, GLM lightning

10 tools GitHub PyPI

No known CVEs

MIT license

Maintained

Last commit 68d ago

Works with most clients

Transport: stdio, http

10 tools · ~1.4k tok

Grade B · 0.7% of 200K ctx

MCPpedia last refreshed this data 1d ago

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io.github.lostnumber07/shearline is an MCP server that analyst-grade US severe weather: warnings, SPC outlooks, RAP environment, MRMS, GLM lightning. Its tool list has not been published yet over stdio and http, requires no API key, and scores 78/100 on MCPpedia's security, maintenance and efficiency rubric.

Other

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-lostnumber07-shearline": {
      "args": [
        "shearline"
      ],
      "command": "uvx"
    }
  }
}

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What io.github.lostnumber07/shearline does

The severe-weather analyst your agent doesn't have. SHEARLINE is a free, MIT-licensed MCP server that gives AI agents analyst-grade US severe-weather tools: live warning polygons with Impact-Based Warning tags, SPC convective outlooks, RAP-derived point environments (CAPE/shear/SRH/STP computed with MetPy), MRMS radar-derived hail and rotation products, ground-truth storm reports, and a composite threat brief that synthesizes all of it. A dozen weather MCPs already wrap the basic forecast API; S

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

uvx 'shearline' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

78/100across 5 weighted dimensions

How we score →

0255075100

−22

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked shearline against OSV.dev.

Inventory

Tools (10)

Click any tool to inspect its schema.

~1.4k tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.lostnumber07/shearline safe to use?: io.github.lostnumber07/shearline has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install io.github.lostnumber07/shearline?: io.github.lostnumber07/shearline supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.lostnumber07/shearline do?: io.github.lostnumber07/shearline provides 10 tools: get_active_warnings, get_spc_outlook, get_point_environment, get_environment_trend, get_mrms_severe and 5 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.lostnumber07/shearline?: io.github.lostnumber07/shearline is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is io.github.lostnumber07/shearline actively maintained?: io.github.lostnumber07/shearline is recently maintained — last commit was 68 days ago.

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Community

Discussion

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Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Frequently Asked Questions

Is io.github.lostnumber07/shearline safe to use?

io.github.lostnumber07/shearline has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.

How do I install io.github.lostnumber07/shearline?

io.github.lostnumber07/shearline supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.lostnumber07/shearline do?

io.github.lostnumber07/shearline provides 10 tools: get_active_warnings, get_spc_outlook, get_point_environment, get_environment_trend, get_mrms_severe and 5 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.lostnumber07/shearline?

io.github.lostnumber07/shearline is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is io.github.lostnumber07/shearline actively maintained?

io.github.lostnumber07/shearline is recently maintained — last commit was 68 days ago.