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Smart Composer

Community
Not a standard server
AI writing assistant for Obsidian with contextual awareness and one-click edits.

This is not a typical connect-and-use MCP server; read the source repository before using it.

How to install ↓ Compare GitHub source repository ↗
Category
Other
Stars
★ 2.3k Very popular
Credentials
Optional API key
Language
TypeScript
License
MIT
Last commit
⚠
39FMRS · D

Smart Composer is a feature-rich Obsidian AI plugin offering contextual chat, RAG search, and MCP support. Despite low maintenance activity, community forks and documentation are available. It suits individual users, but note the subscription connection risks and privacy considerations.

Strongest · Documentation 10/20 Weakest · Reliability 5/20

Reliability
5/20
Security and permissions
8/20
Maintenance
8/20
Documentation
10/20
Setup experience
8/20
Why each score
Reliability 5/20
Source code analysis shows this is an Obsidian plugin, not a standard MCP server. The project includes MCP client functionality, but there is no MCP server implementation or MCP server manifest. No server entry point, tool list, or MCP handshake code found. Hence, MCP initialization or tool declarations cannot be verified. Reliability score is low because there is no evidence it can operate as an MCP server. If evaluated as a plugin, it is feature-rich, but this review is for an MCP server.
Security and permissions 8/20
As an Obsidian plugin, it handles API keys, claimed to be stored locally. The plugin makes network requests to various AI providers, but no malicious behavior found. No credential theft or data exfiltration indicators. However, since there is no MCP server implementation, data boundaries and permission scope are unclear. No explicit security vulnerabilities found.
Maintenance 8/20
Repository has MIT license, moderate activity: 2312 stars, 114 open issues, but maintenance notice indicates not under active development, maintained by a single developer, issues may not be reviewed promptly. Community forks exist. Given maintenance notice, maintenance score is moderate.
Documentation 10/20
README provides detailed features and setup instructions, including API providers and MCP support. Links to Wiki documentation. However, for the MCP server itself, there is no documentation on how to use it as an MCP server. As plugin documentation, quality is high.
Setup experience 8/20
As an Obsidian plugin, installation steps are clear: install via community plugins. As an MCP server, there is no installation instruction because there is no server implementation. Thus, setup score is low because for MCP, the installation path is unclear.

Static review · not runListed 2026-08-07

Read the FMRS scoring method →

Fit and risk

What it can accessReads local filesWrites / deletes local filesUses the network

Best for

  • Obsidian users wanting to integrate note-taking with AI writing tools.
  • Users who want to use local models (like Ollama) or subscription services (Claude/OpenAI).
  • Content creators who need automatic context from large amounts of notes.

Not for

  • Users who require active maintenance and timely support (the plugin is not actively developed).
  • Users concerned about risks of connecting Claude subscription (possible account bans).
  • Enterprise users needing official support and prompt issue resolution.

Required permissions

  • Requires read and write access to the user's Obsidian vault for context and edits.
  • May send selected notes, images, and web links to the chosen AI service.
  • May connect to external services via MCP; data privacy should be considered.

Risks and side effects

  • Using Claude subscription OAuth via third-party clients may lead to account restrictions or bans (as warned in the README).
  • Free API usage may have privacy implications; review the provider's policy.
  • The plugin is maintained by a single developer, so bugs may not be fixed promptly.

Setup

In Obsidian, go to Settings -> Community plugins -> Browse, search for 'Smart Composer', click Install, and enable it. Then configure in plugin settings: add an API key or connect your Claude/OpenAI subscription. Note that a recent version of the Obsidian installer is required; if issues occur, manually update the installer.

Troubleshooting

  1. If the plugin fails to load, first try updating Obsidian normally (Settings > General > Check for updates).
  2. If issues persist, manually download the latest installer from obsidian.md, close Obsidian completely, and run the installer.
  3. For further help, report issues on GitHub.

Use cases

Quickly reference vault content as AI context during writing in Obsidian.
Apply suggested document edits with a single click.
Automatically find and use relevant notes via Vault Search (RAG).
Connect MCP servers to use external tools and data sources.

Overview

Smart Composer is an Obsidian plugin that helps you write efficiently with AI by referencing your vault content. Inspired by Cursor AI and ChatGPT Canvas, it offers contextual chat (with precise selection of files, folders, images, web links, and YouTube videos as context), one-click application of suggested edits, and vault search (RAG) for automatic retrieval of relevant notes. It also supports connecting to external MCP servers via the Model Context Protocol. The plugin is MIT-licensed, maintained by a single developer, and not under active development.

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Source revision 6b38ab3c57e0 Data synced 2026-10-12 Read the FMRS scoring method