Atlas / MCP servers / fazer-ai / Obsidian

ObsidianSAFE

mcp/fazer-ai/obsidian-5

MCP server for Obsidian (TypeScript + Bun)

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
24 11r · 10w · 3d
Transport
stdio
License
MIT
Stars
52
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

[](https://www.npmjs.com/package/@fazer-ai/mcp-obsidian)

A Model-Context-Protocol (MCP) server that lets Claude (or any MCP-compatible LLM) interact with your Obsidian vault through the **Local REST API** community plugin – written in TypeScript and runnable with bunx.

✨ Components

Tools

Read from source at commit b620816004a9OBSERVED · 2026-10-08
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code
claude mcp add mcp-obsidian -- npx -y @fazer-ai/[email protected]
claude-desktop
{
  "mcpServers": {
    "mcp-obsidian": {
      "command": "npx",
      "args": [
        "-y",
        "@fazer-ai/[email protected]"
      ]
    }
  }
}
03

Exposed tools (24)

11 read · 10 write · 3 destructive. Blast radius: 3 tools can delete or overwrite — an agent that can be talked into calling a tool can be talked into calling this one.

ToolRiskDescription
obsidian_delete_activedestructiveDeletes the currently-active file.
obsidian_delete_filedestructiveDeletes a file in the vault.
obsidian_delete_periodicdestructiveDeletes the periodic note for a given period.
obsidian_execute_commandwriteExecutes a specified command.
obsidian_get_activereadReturns the content of the currently-active file.
obsidian_get_commandsreadReturns a list of available commands.
obsidian_get_filereadReturns content of a vault file.
obsidian_get_periodicreadReturns the periodic note for a given period.
obsidian_list_vault_directoryreadLists files in a specified directory.
obsidian_list_vault_rootreadLists files in the root of the vault.
obsidian_open_filereadOpens a file, optionally in a new leaf.
obsidian_patch_activewriteInserts content into the active file relative to a target.
obsidian_patch_filewriteInserts content into a vault file relative to a target.
obsidian_patch_periodicwriteInserts content into a periodic note relative to a target.
obsidian_post_activewriteAppends content to the active file.
obsidian_post_filewriteAppends content to a vault file.
obsidian_post_periodicwriteAppends content to the periodic note.
obsidian_put_activewriteReplaces content of the active file.
obsidian_put_filewriteCreates or replaces a vault file.
obsidian_put_periodicwriteReplaces content of the periodic note.
obsidian_search_dataviewreadSearches using a Dataview query.
obsidian_search_json_logicreadSearches using a JsonLogic query.
obsidian_simple_searchreadSearches for text in vault with optional context.
obsidian_statusreadReturns basic details about the server.
04

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codePASS
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfaceWARN
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
declared (1 observation(s))
Network
declared (1 observation(s))
Shell
none-observed
Dependencies
not all pinned
Secrets in source
none-found

Findings (2)

MEDIUMFilesystem / path · mcp.destructive_tools · CWE-22, CWE-59
obsidian_delete_active, obsidian_delete_file, obsidian_delete_periodic
Why it matters. 3 tool(s) can delete or overwrite
Fix. prefer a read-only mode or scoped tokens; the page states the blast radius
LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
package.json
@modelcontextprotocol/sdk, @biomejs/biome, @types/bun
Why it matters. 3 dependency range(s) float
Fix. pin exact versions or ship a lockfile

Gates applied: no_behavioural_pass.

Audited 2026-10-08 · audit v0.4.1 · source sha b620816004a9full audit observations/trust-audit/mcp-server/fazer-ai__obsidian-5.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-08b620816004a9SAFEB89first audit
06

Questions

What is the Obsidian MCP server?

MCP server for Obsidian (TypeScript + Bun)

What tools does Obsidian expose?

24 in total: 11 read-only, 10 that write, and 3 that can delete or overwrite (obsidian_delete_active, obsidian_delete_file, obsidian_delete_periodic). Every one is listed on this page with its risk.

Is Obsidian safe to connect to an agent?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B. Separately from the audit: 3 of its tools can destroy data, so scope the token you give it to what you actually need.

What credentials does Obsidian need?

No credential environment variables were found in its source, so it appears to need none.

How does Obsidian run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as @fazer-ai/mcp-obsidian at 1.2.0.

How current is this page?

The grade is for one exact copy of the source (b620816004a9), read on 2026-10-08. The repository is watched and re-audited when it changes.

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