Koskamo

mechoulam.de Cannabis Evidence Register MCP

Provides a read-only MCP endpoint for accessing GRADE-rated clinical evidence on cannabis as medicine. It allows agents to search and cite studies across various indications such as chronic pain, epilepsy, and multiple sclerosis, curated in German and English.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

mechoulam.de Cannabis Evidence Register MCP logo, by mechoulam.deVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-06Operated by mechoulam.de
MCP endpoint (Streamable HTTP)
https://mechoulam.de/mcp
Vendor documentation

What its tools do

5 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (5)

5 of 5 have a description · 5 of 5 declare behavior hints · 5 of 5 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Passed Official MCP Registry namespace is tied to mechoulam.de ·
  • Passed Endpoint is on the registry namespace domain ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search for clinical studies on cannabis for specific medical indications
  • Cite GRADE-rated evidence for medical conditions
  • Access curated study summaries via MCP protocol

Source and maintenance

Vendor evidenceRegistry 1.1.0
mcp-registry: de.mechoulam/cannabis-evidence@1.1.0Project website

Protocol and capabilities

Server
mechoulam-studienlage 1.0.0
MCP protocol negotiated in check
2025-06-18
Tools
5 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {}
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

Read-only evidence register for cannabis as medicine, GRADE-rated and reviewed-only (German and English; the German version is authoritative). Start with search, then fetch the returned id and cite its url.

Tools

5 advertised

search
Advertised by the server during the last successful anonymous check.
Advertised read-only

Search the mechoulam.de cannabis-medicine evidence register by free text (indication, condition, drug, study title, author). Returns indications and reviewed studies with citable URLs. Answer language follows the language of the query.

search input schema
{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string",
      "description": "Search query"
    }
  },
  "additionalProperties": false
}
search output schema
{
  "type": "object",
  "required": [
    "results"
  ],
  "properties": {
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "id",
          "title",
          "url"
        ],
        "properties": {
          "id": {
            "type": "string"
          },
          "url": {
            "type": "string"
          },
          "title": {
            "type": "string"
          }
        }
      }
    }
  }
}
search annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}
fetch
Advertised by the server during the last successful anonymous check.
Advertised read-only

Fetch one full record by the id returned from search: the GRADE-rated evidence summary of an indication, or one study with its per-indication verdicts. Includes the source URL to cite.

fetch input schema
{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Id from a search result"
    }
  },
  "additionalProperties": false
}
fetch output schema
{
  "type": "object",
  "required": [
    "id",
    "title",
    "text",
    "url"
  ],
  "properties": {
    "id": {
      "type": "string"
    },
    "url": {
      "type": "string"
    },
    "text": {
      "type": "string"
    },
    "title": {
      "type": "string"
    },
    "metadata": {
      "type": "object"
    }
  }
}
fetch annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}
list_indications
Advertised by the server during the last successful anonymous check.
Advertised read-only

List all indications on mechoulam.de with slug, name, category, count of reviewed studies and the citable page URL.

list_indications input schema
{
  "type": "object",
  "properties": {
    "lang": {
      "enum": [
        "de",
        "en"
      ],
      "type": "string",
      "description": "Language of the answer and of the cited source URL. 'de' (default) cites mechoulam.de/..., 'en' cites mechoulam.de/en/..."
    }
  },
  "additionalProperties": false
}
list_indications annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}
get_indication
Advertised by the server during the last successful anonymous check.
Advertised read-only

Get the GRADE-rated evidence summary for one indication (reviewed studies only). Use a slug from list_indications.

get_indication input schema
{
  "type": "object",
  "required": [
    "slug"
  ],
  "properties": {
    "lang": {
      "enum": [
        "de",
        "en"
      ],
      "type": "string",
      "description": "Language of the answer and of the cited source URL. 'de' (default) cites mechoulam.de/..., 'en' cites mechoulam.de/en/..."
    },
    "slug": {
      "type": "string",
      "description": "Indication slug"
    }
  },
  "additionalProperties": false
}
get_indication annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}
get_study
Advertised by the server during the last successful anonymous check.
Advertised read-only

Get one study by DOI with its per-indication verdicts (reviewed-only).

get_study input schema
{
  "type": "object",
  "required": [
    "doi"
  ],
  "properties": {
    "doi": {
      "type": "string",
      "description": "Study DOI"
    },
    "lang": {
      "enum": [
        "de",
        "en"
      ],
      "type": "string",
      "description": "Language of the answer and of the cited source URL. 'de' (default) cites mechoulam.de/..., 'en' cites mechoulam.de/en/..."
    }
  },
  "additionalProperties": false
}
get_study annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (2 of 2 answered).

  1. 2026-11-06: 1 of 1 checks answered
  2. 2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
1613 ms
95th percentile latency
1613 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 1613 ms · metadata changed · 5 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http mechoulam-de-cannabis-evidence-register-mcp https://mechoulam.de/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add mechoulam-de-cannabis-evidence-register-mcp --url https://mechoulam.de/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable mechoulam-de-cannabis-evidence-register-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "mechoulam-de-cannabis-evidence-register-mcp": {
      "url": "https://mechoulam.de/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "mechoulam-de-cannabis-evidence-register-mcp": {
      "type": "streamableHttp",
      "url": "https://mechoulam.de/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start mechoulam-de-cannabis-evidence-register-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "mechoulam-de-cannabis-evidence-register-mcp": {
      "type": "http",
      "url": "https://mechoulam.de/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http mechoulam-de-cannabis-evidence-register-mcp https://mechoulam.de/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://mechoulam.de/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "mechoulam-de-cannabis-evidence-register-mcp": {
      "serverUrl": "https://mechoulam.de/mcp"
    }
  }
}

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