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Courtlistener ServerVerified🛡 No advisories

io.github.cyanheads/courtlistener-mcp-server

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2★ stars

0weekly installs

10 days agolast release

Provenancewhere it came from, and what was verified

✓

Verified namespace

Published to the official MCP registry by github.com/cyanheads, which proved it owns this namespace.

Verified owner: github.com/cyanheads ↗io.github.cyanheads/courtlistener-mcp-server

🛡 Permissions & trustwhat this server can touch before you run it

◆

Network access

Connects to a hosted remote endpoint.

✓

Configuration

Reads COURTLISTENER_API_TOKEN, MCP_LOG_LEVEL, MCP_HTTP_HOST, MCP_HTTP_PORT, MCP_HTTP_ENDPOINT_PATH, MCP_AUTH_MODE, ….

About

Search US court opinions, federal dockets, judges, citations, and oral arguments via CourtListener.

Packages & transports

npm@cyanheads/courtlistener-mcp-serverv0.4.3 · node

remotehttps://courtlistener.caseyjhand.com/mcpHTTP

Metadata

Sourcegithub.com/cyanheads/courtlistener-mcp-server ↗

Categorysearch

LicenseApache-2.0

Quality 91/100

how much you can lean on this server

Maintenance

45/45

Completeness

35/35

Reliability

11/20

Computed from the server's own data, not a hidden formula. This measures how much you can depend on it, not how popular it is. Stars are shown separately, on purpose. How it's scored →

Tool definition quality 97/100

how well its 14 tools describe themselves to an agent

▸courtlistener_search_opinions100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_get_opinion100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_get_citations100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_lookup_citation100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_search_dockets100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_get_docket100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_get_parties100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_search_judges100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_get_judge100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_lookup_courts93A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_search_oral_arguments100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_get_oral_argument100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_search_financial_disclosures93A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

▸courtlistener_get_financial_disclosure100A

Description

present and substantive

Param types

params declare a type

Param docs

params are described

Structure

required fields declared

Structural, not an LLM's opinion: each check is a fact about the tool's schema, so it's reproducible. One weak tool drags the score (60% average, 40% worst). How it's scored →

For the maintainer

Raise this grade

up to +9 on quality

Own this server? Here's exactly what to change, biggest wins first. Every number below is a fixed point value, so you can see what each edit is worth before you make it.

Collect working reviewsReliability

With no reviews this sits at a neutral 11. Reviews reporting it works push it toward the full 20.

Tool definitions to fix first

courtlistener_lookup_courts93/100

No `required` array. Declare which params are mandatory so an agent knows what it must provide.

courtlistener_search_financial_disclosures93/100

No `required` array. Declare which params are mandatory so an agent knows what it must provide.

Already earned (5) ▾

✓Describe what it does+11

✓Give an install path+11

✓Declare a license+7

✓Link the source+6

✓Keep it active+45

These are structural checks, so the fixes are exact. See the full formula →

Add a badge to your README

[![SocketCat](https://socketcat.com/badge/io.github.cyanheads/courtlistener-mcp-server)](https://socketcat.com/servers/io.github.cyanheads/courtlistener-mcp-server)

Shows your live quality grade and links back here. It updates itself as the grade changes.

Add to your client

Pick your client, copy, paste into its config. That's the whole setup.

~/.claude/claude_desktop_config.json

{
  "mcpServers": {
    "courtlistener_mcp_server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/courtlistener-mcp-server"
      ]
    }
  }
}

▶ Try itlive against courtlistener.caseyjhand.com

This server has a hosted endpoint, so we can connect and list its actual tools right here. Nothing runs on your machine.

Courtlistener Server✓Verified🛡 No advisories

Provenancewhere it came from, and what was verified

🛡 Permissions & trustwhat this server can touch before you run it

About

Packages & transports

Metadata

Raise this grade

Add a badge to your README

Reviews

▶ Try itlive against courtlistener.caseyjhand.com

Courtlistener ServerVerified🛡 No advisories