Obsidian MCP Server
Read, write, search, and surgically edit Obsidian vault notes, tags, and frontmatter via MCP. STDIO or Streamable HTTP. Its 14 documented tools cover obsidian, note, notes, tags.
People who work with obsidian, note and notes and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.
VERIFIED ACTIVE
LAST COMMIT 2026-09-23 · ★ 690 · #5 OF 221 MAINTAINED DOCUMENTATION · VERIFIED 2026-09-30
Apache-2.0 · TypeScript servers · how we verify → /methodology
01 · Install Obsidian MCP Server
before you install - you'll need
Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, OBSIDIAN_API_KEY, OBSIDIAN_BASE_URL before connecting.
Claude Code
claude mcp add cyanheads-obsidian-mcp-server -- npx -y obsidian-mcp-server Claude Desktop / Cursor / VS Code - add to config
{
"mcpServers": {
"cyanheads-obsidian-mcp-server": {
"command": "npx",
"args": [
"-y",
"obsidian-mcp-server"
]
}
}
} Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.
Using another client? Same JSON, different key
Claude Desktop · mcpServers
Cursor · mcpServers
VS Code · servers
Windsurf · mcpServers
Zed · context_servers
Cline · mcpServers
Roo Code · mcpServers
Continue · mcpServers
LibreChat · mcpServers
Gemini CLI · mcpServers
Codex CLI · mcp_servers
Full setup guides: every client.
02 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as local process (stdio) - runs on your machine with your user's permissions
license Apache-2.0 - declared in the repository
npm package obsidian-mcp-server - unscoped; check the name against the project README before installing
registry namespace io.github.cyanheads is GitHub-verified and matches the repo owner
03 · What Obsidian MCP Server can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
What you can build
With this server connected, an agent can list notes and subdirectories under a vault path. Recursive walk (default depth 2, max depth 20, search the vault by text, JSONLogic, or BM25-ranked Omnisearch (when the plugin is reachable). Results paginate via opaque cursors, add, remove, or list tags. Defaults to the frontmatter tags: array, and open a file in the Obsidian app UI, with failIfMissing and newLeaf toggles.
The 14 tools it gives your agent
Extracted from the project's README - what obsidian-mcp-server lets an agent do.
- obsidian_get_note
- - Read a note as raw content, full structured form (content + frontmatter + tags + stat, with optional outgoing links), structural document map, or a single secti
- obsidian_list_notes
- - List notes and subdirectories under a vault path. Recursive walk (default depth 2, max depth 20; 1000-entry cap) with optional extension and nameRegex filters.
- obsidian_list_tags
- - List vault tags with usage counts, including hierarchical parents. Ordered by count descending and capped at limit (default 200, max 10000), with the withheld r
- obsidian_list_commands
- - List Obsidian command-palette commands, optionally filtered by nameRegex on display name. Opt-in via OBSIDIAN_ENABLE_COMMANDS=true (paired with obsidian_execute
- obsidian_search_notes
- - Search the vault by text, JSONLogic, or BM25-ranked Omnisearch (when the plugin is reachable). Results paginate via opaque cursors.
- obsidian_write_note
- - Create a note, replace a single section in place, or - with overwrite: true - clobber an existing file. Refuses whole-file writes against an existing path by de
- obsidian_append_to_note
- - Append content to a note. Without section, creates the file if missing. With section, appends to a specific heading, block, or frontmatter field (file must exis
- obsidian_patch_note
- - Surgical append / prepend / replace against a heading, block reference, or frontmatter field.
- obsidian_replace_in_note
- - Search-replace inside a single note, scoped to the body by default. Literal or regex matching with whole-word, whitespace-flexible, and case-sensitivity options
- obsidian_manage_frontmatter
- - Atomic get / set / delete on a single frontmatter key.
- obsidian_manage_tags
- - Add, remove, or list tags. Defaults to the frontmatter tags: array; location: 'inline' or 'both' opts into mutating the note body.
- obsidian_delete_note
- - Permanently delete a note. Always asks the user to confirm first - the call is answered with a confirmation request and retried with the answer.
show all 14 tools
- obsidian_open_in_ui
- - Open a file in the Obsidian app UI, with failIfMissing and newLeaf toggles.
- obsidian_execute_command
- - Execute an Obsidian command-palette command by ID. Opt-in via OBSIDIAN_ENABLE_COMMANDS=true.
Latest releases
v3.6.0 · 2026-09-23
markdown-patch 2.0 writes, block-aware tags, lexed headings · #102: section writes and the document map use markdown-patch 2.0 on Local REST API 5.x, and 1.x on 4.x. · #145: tight list continuation. · On plugin v5.x…
v3.5.5 · 2026-09-23
Tag grammar, search match locations, repeated-heading rejection · Certificate rejection and unreachable-plugin errors are now typed (certificate_rejected, obsidian_unreachable) instead of a hintless InternalError…
v3.5.4 · 2026-09-19
TLS scoping, frontmatter write safety, mcp-ts-core 0.13.6 · TLS relaxation scoped per request instead of NODE_TLS_REJECT_UNAUTHORIZED=0 process-wide on Bun (#131) · OBSIDIAN_BASE_URL strips a trailing slash that was…
04 · Who maintains Obsidian MCP Server
obsidian-mcp-server is maintained by cyanheads. We track 137 MCP servers from cyanheads - 131 actively maintained, 1,856 combined GitHub stars, oldest repo from Dec 2024. Full record: all servers from cyanheads.
- mcp-ts-core Agent-native TypeScript framework for MCP servers. ★ 152
- git-mcp-server Comprehensive Git MCP server enabling native git tools including clone, commit, worktree, & more. ★ 240
- clinicaltrialsgov-mcp-server Search ClinicalTrials.gov - find studies, retrieve results, match patients to eligible trials. ★ 96
- openalex-mcp-server Access the OpenAlex academic research catalog - 270M+ publications. ★ 14
- mcp-ts-template TypeScript template for building MCP servers with declarative tooling, observability, and auth. ★ 152
- eur-lex-mcp-server Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts. ★ 8
05 · Facts
- repository
- github.com/cyanheads/obsidian-mcp-server
- category
- documentation - ranked #5 of 221 actively-maintained documentation servers as of 2026-09-30.
- release cadence
- 10+ releases in the last 90 days (latest 2026-09-23)
- registry
- io.github.cyanheads/obsidian-mcp-server (active, first published 2026-04-29 · 36 versions)
- packages
- npm:obsidian-mcp-server · npm:obsidian-mcp-server
06 · Obsidian MCP Server FAQ
Is Obsidian MCP Server still maintained?
Yes - as of 2026-09-30, its last commit was 2026-09-23 and it shipped 10+ releases in the last 90 days. We re-verify nightly.
What can Obsidian MCP Server do?
With this server connected, an agent can list notes and subdirectories under a vault path. Recursive walk (default depth 2, max depth 20, search the vault by text, JSONLogic, or BM25-ranked Omnisearch (when the plugin is reachable). Results paginate via opaque cursors, add, remove, or list tags. Defaults to the frontmatter tags: array, and open a file in the Obsidian app UI, with failIfMissing and newLeaf toggles.
How do I install Obsidian MCP Server?
Run `npx -y obsidian-mcp-server`. The README documents 4 environment variables (MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, OBSIDIAN_API_KEY…) to set first. Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, OBSIDIAN_API_KEY, OBSIDIAN_BASE_URL before connecting. You can also paste the ready-made client config above.
Does Obsidian MCP Server run locally?
Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.
07 · Alternatives to Obsidian MCP Server
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