ObsidianMCP (rcgeorge/ObsidianMCP) is an MCP server listed on the M8ven Trust Index. It scores 56 out of 100, grade D. It declares 25 tools. No publisher has claimed this listing.
Enables Claude to interact with an Obsidian vault via the Local REST API plugin, supporting file operations, search, periodic notes, commands, and semantic search.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.
list_commandsList all available Obsidian commands that can be executed.
execute_commandExecute an Obsidian command by its ID. Use list_commands to find available command IDs.
list_vault_filesList files and directories in the Obsidian vault. Provide a folder path to list its contents, or omit to list the root.
read_noteRead the markdown content of a note in the vault.
create_noteCreate a new note or overwrite an existing one in the vault. Embed attachments using ![[filename.png]] syntax.
append_to_noteAppend content to the end of an existing note. Use ![[filename.png]] to embed attachments.
patch_noteInsert or replace content relative to a heading in a note. Useful for updating specific sections.
delete_noteDelete a note from the vault.
get_active_noteRead the content of the currently active/open note in Obsidian.
update_active_noteOverwrite the content of the currently active/open note in Obsidian.
append_to_active_noteAppend content to the currently active/open note in Obsidian.
patch_active_noteInsert or replace content relative to a heading in the currently active note.
delete_active_noteDelete the currently active/open note in Obsidian.
open_noteOpen a note in the Obsidian UI.
get_server_statusCheck the status of the Obsidian Local REST API server and get version info.
upload_attachmentUpload an attachment (image, PDF, audio, video) to the vault from a local file path. After uploading, embed it in a note using ![[filename]] syntax.
get_periodic_noteGet the content of a periodic note (daily, weekly, monthly, quarterly, or yearly).
create_periodic_noteCreate or overwrite a periodic note (daily, weekly, monthly, quarterly, or yearly).
append_to_periodic_noteAppend content to a periodic note (e.g. add an entry to today's daily note).
search_vaultSearch for notes in the vault using full-text fuzzy search. Returns matching filenames and context.
search_dataviewRun a Dataview DQL query against the vault. Requires the Dataview plugin to be installed in Obsidian. Example: 'TABLE file.mtime AS "Modified" FROM "Notes" SORT file.mtime DESC'
search_jsonlogicRun a JsonLogic query against the vault for structured/programmatic searches. Useful for filtering notes by metadata fields.
semantic_searchSearch the vault using AI semantic similarity. Finds conceptually related notes even when wording differs. Requires the Smart Connections plugin to be installed and to have indexed the vault.
find_related_notesFind notes semantically related to a given note. Uses pre-computed embeddings from Smart Connections — no model inference needed.
smart_connections_statusGet statistics about the Smart Connections index: number of indexed sources, blocks, embedding model, and dimensions.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
OBSIDIAN_API_KEYYes — API key from the Local REST API pluginOBSIDIAN_HOSTNo 127.0.0.1 Host where Obsidian is runningOBSIDIAN_PORTNo 27124 Port for the REST APIOBSIDIAN_PROTOCOLNo https http or httpsOBSIDIAN_SMART_ENV_PATHNo — Path to .smart-env/ folder for semantic search (requires Smart Connections plugin)OBSIDIAN_VERIFY_SSLNo true Set to false for self-signed certsTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
25/25 tools missing one or more hints — list_commands (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); execute_command (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_vault_files (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +22 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.
Tool inputs are validated
17/25 tool handlers declare input schemas (68%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 0/25 tool handlers wrap calls in try/catch (0%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tests exist
No test files found
Add tests that exercise each declared tool.
Production dependencies are patched
0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.12.1 (high), @modelcontextprotocol/sdk@1.12.1 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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