MCP Comparison · 2026
Obsidian vs Sticklight MCP Server
Comparing Obsidian and Sticklight as MCP servers? Obsidian (read & write vault notes) is best when personal knowledge capture. Sticklight (chatgpt app) is best when conversational access to sticklight inside chatgpt. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Obsidian | Sticklight | |
|---|---|---|
| Primary function | Read & Write Vault Notes | ChatGPT App |
| Maintainer | Community (MarkusPfundstein) | Sticklight |
| Pricing | Open source | Free |
| Setup complexity | Low · ~3 min | Low · ~< 1 min |
| Transport | stdio | Streamable HTTP |
| Auth model | API key | OAuth 2.1 |
| License | MIT | Proprietary |
| Language | Python | — |
| Latest version | latest | — |
| Compatible clients | Claude, Cursor, Any MCP-compatible client | ChatGPT |
| Last verified | 2026-04-19 | 2026-04-30 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Obsidian
- Personal knowledge capture
- Daily-note automation
- Research assistance
Choose Sticklight
- Conversational access to Sticklight inside ChatGPT
- In-chat workflows that benefit from rich UI widgets
- One-click OAuth on Free / Go / Plus / Pro plans
Pick something else if…
- Real-time collaboration
- Use outside ChatGPT
Feature breakdown
Key capabilities each server ships out of the box.
Obsidian
- Vault-scoped read/write
- Backlink resolution
- Tag queries
- Daily-note append
- Local-only, no cloud required
Sticklight
- Listed in the official ChatGPT Apps directory
- One-click OAuth — no JSON config, no install command
- Available to logged-in ChatGPT users on supported plans
- Built on the OpenAI Apps SDK (MCP under the hood)
- Reviewed and approved by OpenAI before publication
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Obsidian vs Sticklight: which MCP server should I use?
Pick Obsidian when personal knowledge capture. Pick Sticklight when conversational access to sticklight inside chatgpt. Obsidian is built for read & write vault notes, while Sticklight focuses on chatgpt app.
Can I run both Obsidian and Sticklight together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
How fresh is this comparison?
Updated for 2026. Obsidian's last verification: 2026-04-19. Sticklight's last verification: 2026-04-30. We refresh detail-page facts on every catalog rebuild.