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A fact store for AI agents, on Postgres: registered attributes, every write citing its evidence.
55FairInstall
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"victor-eu-factstore": {
"command": "uvx",
"args": [
"factstore"
],
"env": {
"FACTSTORE_DSN": "YOUR_FACTSTORE_DSN",
"FACTSTORE_EXCISE_DSN": "YOUR_FACTSTORE_EXCISE_DSN"
}
}
}
}
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Environment
| Name | Required | Notes |
|---|
| FACTSTORE_DSN | Yes | The credential `factstore actor STORE NAME` prints: a Postgres connection string for one actor of one store. Secret. |
| FACTSTORE_EXCISE_DSN | No | An excision credential (`factstore actor --excise`). Only then is the excise tool listed. Secret. |
Tools show up when the registry metadata or the repository README lists them. GitHub enrichment fills this in when a token is configured.
About
A fact store for AI agents, on Postgres: registered attributes, every write citing its evidence.
FAQ
- What is factstore?
- A fact store for AI agents, on Postgres: registered attributes, every write citing its evidence.
- How do I install factstore?
- Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.
- Is factstore official?
- No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.
- How is the trust score calculated?
- This listing scores 55 (Fair). The formula is published on the methodology page.
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