freeplane-mcp (Hilbert-beinghappy/freeplane-mcp) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
Local-first MCP integration for Freeplane on Apple Silicon macOS, currently exposing status and capabilities over STDIO.
Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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Hilbert-beinghappy
Source: Glama
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Install from
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CODEX_CLIFREEPLANE_APPSet FREEPLANE_HOME or if automatic bundle discovery does not work for your setup.FREEPLANE_HOMESet or FREEPLANE_APP if automatic bundle discovery does not work for your setup.FREEPLANE_MCP_AX_BUILD_DIRFREEPLANE_MCP_BASELINEFREEPLANE_MCP_BUILD_DIRFREEPLANE_MCP_DEV_CACHEFREEPLANE_MCP_INSTALL_ROOTFREEPLANE_MCP_KEEP_FAILED_QUALIFICATIONFREEPLANE_MCP_RUNTIME_DIRe =/runtime \Tool annotations
6/12 tools have annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
6/12 tools missing one or more hints — freeplane_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); freeplane_capabilities (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); freeplane_list_maps (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +3 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
openWorldHint matches behaviour
6 tools claim openWorldHint=false but make outbound HTTP — freeplane_view → GET (line 327); freeplane_document → GET (line 327); freeplane_export → GET (line 327)
Either flip openWorldHint to true (acknowledging external reach) or refactor the handler to avoid outbound HTTP. If the only network calls are to a known fixed endpoint that you consider part of the tool itself, document that and keep openWorldHint=false; otherwise true is honest.
Tool inputs are validated
Only 0/12 tool handlers declare input schemas (0%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Shell command execution
14 child_process calls — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
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