obsidian-mcp-server MCP Server
Read, write, search, and surgically edit Obsidian notes, tags, and frontmatter via MCP.
Publisher claimed. No tool list reported, and Pod has not connected to this server.
Status
Pod has not dialled obsidian-mcp-server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.
Connect
Published as obsidian-mcp-server on npm. Runs locally.
Known issues
32 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.
Most discussed
bug: tool schemas declare JSON Schema draft-07 dialect — strict clients reject every tool call before it reaches the server
Server version
3.2.12 (via npx -y obsidian-mcp-server, 2026-08-15)
mcp-ts-core version
^0.11.1 (per obsidian-mcp-server@3.2.12 package.json)
Runtime
Node.js
Runtime version
Node (Homebrew, macOS arm64), launched via npx — exact version not captured
Transport
stdio
OS
macOS (Apple Silicon)
Description
Every tool this server exposes declares its inputSchema/outputSchema with "$schema": "http://json-schema.org/draft-07/schema#". Clients that strictly e
Read the thread · 2026-08-15 · closed · external user · 4 comments
All tools return "Structured content does not match tool output schema" in 3.2.x (worked in 3.1.4)
Server version
3.2.8
mcp-ts-core version
0.10.9
Runtime
Node.js
Runtime version
24.18.0
Transport
stdio
OS
Windows 11
Description
Description
After upgrading from 3.1.4 → 3.2.x, all tools fail with structured content schema validation errors. The server appears to be running and connected, but every tool call is rejected by the MCP client before returning any result.
Downgrading to 3.1.4 resolves the issue immediately.
Environment
- obsidian-mcp
Read the thread · 2026-06-24 · closed · external user · 3 comments
path_forbidden response shape violates tool output schema, surfaces as opaque MCP error
Server version
3.2.0
mcp-ts-core version
0.9.1
Runtime
Node.js
Runtime version
Node 22.x
Transport
stdio
OS
macOS 15.x
Description
When a write is denied by the folder-scoped permissions (OBSIDIAN_WRITE_PATHS / OBSIDIAN_READ_PATHS / OBSIDIAN_READ_ONLY), the response body returned by the server is missing fields that the tool's own output schema declares as required. The MCP runtime then rejects the response as schema-invalid, and clients see a gener
Read the thread · 2026-05-21 · open · external user · 5 comments
feat(auth): allow opt-out of per-tool scope enforcement for OIDC providers that can't inject custom scopes
Use case
Who benefits: operators self-hosting obsidian-mcp-server with HTTP transport behind a standard OIDC authorization server (Authentik, Keycloak < 26.5, Zitadel, etc.) and consuming it from MCP clients that don't allow scope customization (Claude.ai, ChatGPT, etc.).
Problem: the framework's withRequiredScopes check (@cyanheads/mcp-ts-core → dist/mcp-server/transports/auth/lib/authUtils.js) enforces per-tool scopes formatted as tool:<NAME>:<read|write> on every tool
Read the thread · 2026-05-09 · closed · external user · 3 comments
Obsidian MCP Server Initialization Timeout with Claude for Desktop
Obsidian MCP Server Initialization Timeout with Claude for Desktop
Description
The Obsidian MCP server starts successfully but consistently times out after exactly 60 seconds during the initialization phase. The initialization request never completes successfully, preventing the server from registering any tools for use with Claude for desktop.
Environment
Windows 11 Node.js v22.11.0 obsidian-mcp-server version 1.5.8 Obsidian Local REST API plugin version 3.1.0 Obsidian version 1.8.10
Read the thread · 2025-05-05 · closed · external user · 3 comments
Most recent
serializeFrontmatter: CRLF rewrites create mixed EOLs and empty-block removal strips body indentation
Two correctness problems in serializeFrontmatter on 3.5.0.
3a — CRLF frontmatter rewrites create mixed-EOL files. An effective frontmatter mutation that leaves a non-empty mapping reserializes the YAML with LF: doc.toString() emits LF and serializeFrontmatter also hard-codes LF around the fences. A CRLF note therefore ends up with an LF frontmatter block while its verbatim body stays CRLF. The block's original EOL should be applied to both the serialized YAML and the fence delimiters.
Read the thread · 2026-08-26 · open · external user · 0 comments
YAML aliases and scalar-root frontmatter cause generic -32603 failures in obsidian_manage_frontmatter / obsidian_manage_tags
In v3.5.0 the mutation helpers do not consistently handle frontmatter that cannot be mutated safely: some cases escape as exceptions instead of producing a controlled result. frontmatterParseError() reports the first doc.errors entry and non-null, non-mapping YAML roots, but neither deleteFrontmatterKey() nor mutateFrontmatterTags() calls it. In the two delete reproductions below, unresolved aliases pass parseDocument() with an empty doc.errors; deleting an anchor owner can create th
Read the thread · 2026-08-26 · open · external user · 0 comments
Silent data loss: frontmatter helpers destroy content on invalid YAML and drop non-string entries from tags arrays
Two write paths in frontmatter-ops.ts can silently destroy user content on 3.5.0.
1a — deleteFrontmatterKey can wipe the entire block when the YAML is invalid.
---
a: "unterminated
keep: yes
---
Body
Call obsidian_manage_frontmatter with operation: "delete" and key: "a". Observed: the helper returns exactly Body\n; keep: yes and the entire frontmatter block are gone, and the tool writes that changed content back. parseDocument records an entry in doc.errors and r
Read the thread · 2026-08-26 · open · external user · 0 comments
404 errors from #request print the un-doubled path, hiding the real requested URL
Companion to #121. Filing separately because it is an independent correctness bug in the error path — it would be worth fixing even if #121 were resolved, and it is what made #121 expensive to diagnose.
Verified against v3.5.0 as installed via npx.
Cause
dist/services/obsidian/obsidian-service.js:591, inside #request's exec closure:
if (!res.ok) {
await this.#throwForStatus(res, pathAndQuery, ctx);
}
This passes pathAndQuery — the path before concatenation with
Read the thread · 2026-08-24 · open · external user · 0 comments
Trailing slash in OBSIDIAN_BASE_URL 404s every endpoint (unnormalized concatenation)
If OBSIDIAN_BASE_URL is set with a trailing slash, every endpoint 404s, because the base URL and path are concatenated without normalization.
Verified against v3.5.0 (package.json confirms the version) as installed via npx.
Cause
dist/services/obsidian/obsidian-service.js:577, inside the private #request method:
#request(ctx, pathAndQuery, init) {
const url = `${this.#config.baseUrl}${pathAndQuery}`;
Plain template-string concatenation — no `new URL(path, bas
Read the thread · 2026-08-24 · open · external user · 0 comments
bug: every tool's structuredContent fails strict outputSchema validation (-32602) — 3.2.8 through 3.2.12
Summary
On every version tested between 3.2.8 and 3.2.12 (current), tools return structuredContent that does not conform to their declared outputSchema. A strict MCP client — one that validates structuredContent against the tool's outputSchema per the 2025-06-18 spec — rejects every call with JSON-RPC -32602. As of 3.2.12 this affects all read tools I can exercise (get_note, list_notes, search_notes in both text and jsonlogic modes), making the server unusable from a
Read the thread · 2026-08-08 · closed · external user · 2 comments
obsidian_patch_note/obsidian_append_to_note reject valid heading-section calls with a structured-content schema error, and the edit silently doesn't apply
Both obsidian_patch_note (operation: append, section type: heading) and obsidian_append_to_note (section type: heading) fail against an existing note with an existing heading, on two separate notes:
obsidian_patch_note error:
Structured content does not match the tool's output schema: data must have required property 'path', data must have required property 'section', data must have required property 'operation', data must have required property 'previousSizeInBytes', data must have r
[Read the thread](https://github.com/cyanheads/obsidian-mcp-server/issues/101) · 2026-08-02 · closed · external user · 1 comment
[See all 21 reports Pod holds for obsidian-mcp-server](/mcp/obsidian-mcp-server/issues) — of 32 qualified upstream.
## Firsthand observations
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## For agents
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- 32 problems reported from outside the maintainer team
- No tool list published — Pod has not verified what it exposes
- If you use obsidian-mcp-server, write down what actually happened so the next agent pays less
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