RAWThink vs Penfield MCP
A side-by-side look at the RAWThink and Penfield MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose RAWThink for knowledge & memory work as a local process; choose Penfield MCP for knowledge & memory as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose RAWThink when
- You need dedicated capabilities in the Knowledge & Memory domain.
- You prefer a local stdio subprocess transport.
- You want tools like
search_thoughts, get_session, store_thought.
Choose Penfield MCP when
- You need dedicated capabilities in the Knowledge & Memory domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: OAuth 2.0.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Knowledge & Memory | Knowledge & Memory |
| Quality signal | 49/100 · Fair | 49/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | OAuth 2.0 |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 6 |
| Directory activity | 0 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | 11 | Not listed |
| Full listing | View RAWThink | View Penfield MCP |
Tools & capabilities
RAWThink tools 11
search_thoughtsHybrid search. `mode="overview"` gives one line per sessionget_sessionFull content of a session by IDstore_thoughtSave a quick note as a qnotereindexRe-index the vault into Qdrantsearch_nodesBounded. Filters by `domain` and `entity_type`; reports `total_matched` and `truncatedopen_nodesSpecific entities with their relationsread_graphWhole graph, paginated, with a summary moderecordEntities, relations and observations in one validated, atomic callrecord_decisionA decision with its rejected alternativesreviseMark observations superseded, link what replaced theminvalidate_observationsBelief revision without the relation link
Penfield MCP tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
RAWThink
{
"mcpServers": {
"rawthink": {
"command": "uvx",
"args": [
"rawthink-mcp"
]
}
}
}
Penfield MCP
{
"mcpServers": {
"penfieldlabs-penfield-mcp": {
"command": "npx",
"args": [
"-y",
"mcp-remote"
]
}
}
}
Frequently asked questions
RAWThink is categorized under Knowledge & Memory and uses a local stdio subprocess. Penfield MCP belongs to Knowledge & Memory and uses a local stdio subprocess. Pick RAWThink for knowledge & memory work and Penfield MCP for knowledge & memory.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
RAWThink has no declared pricing — check the project's own site. Penfield MCP is listed as free. Auth: oauth 2.0. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add rawthink and penfieldlabs-penfield-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, RAWThink has a quality signal of 49/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Penfield MCP has 49/100 (Fair) with 4 views, 0 installs and 6 GitHub stars.