linkml-mcp
Provides commit-addressed editing of LinkML YAML schemas, including applying semantic changesets and reading schema versions at specific commits.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@linkml-mcpapply changeset to add a Person class to my schema"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
linkml-mcp
MCP server for commit-addressed editing of LinkML YAML schemas.
See SCOPE.md for the project scope and milestone boundaries.
Setup
uv sync --devRelated MCP server: github-mcp-tool
Run The MCP Server
For local editor/Codex testing, HTTP is currently the recommended transport:
uv run linkml-mcp --transport http --host 127.0.0.1 --port 8765To accept requests through a hostname or reverse proxy, bind beyond localhost and allow the external Host header:
uv run linkml-mcp \
--transport http \
--host 0.0.0.0 \
--port 8765 \
--allowed-host essentialcomplexity.euIf the proxy forwards a different Host header, pass that value with another --allowed-host.
Use this MCP config:
{
"servers": {
"linkml-server": {
"type": "http",
"url": "http://127.0.0.1:8765/mcp"
}
},
"inputs": []
}Stdio is also available:
uv run linkml-mcpThe server stores workspaces under .linkml-mcp/workspaces by default. Override this with:
export LINKML_MCP_WORKSPACE_ROOT=/path/to/workspaces
export LINKML_MCP_GENERATOR_OUTPUT_ROOT=/path/to/generatedTest Client
Create a workspace:
uv run linkml-mcp-client init --name test_schemaApply a semantic changeset:
uv run linkml-mcp-client apply-change \
--workspace-id ws_... \
--base-commit abc123 \
--changes-json examples/add_person.json \
--message "Add Person"Read a schema at a commit:
uv run linkml-mcp-client read-schema \
--workspace-id ws_... \
--commit-id def456Run tests:
uv run pytestMaintenance
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.
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