@MikePressure
Basic information
scratchpad-mcp is an MCP server that gives AI agents persistent, token-efficient storage. It solves a specific waste problem: agents constantly re-read files they've already seen, re-summarize documents they've already processed, and re-load context they've already understood. Ev
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"scratchpad": {
"command": "node",
"args": [
"dist/index.js"
],
"env": {
"ANTHROPIC_API_KEY": "APIKEYHERE"
}
}
}
}Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
Scratchpad Mcp is an MCP server that provides persistent, token-efficient storage for AI agents. It allows agents to store versioned files, append logs, and retrieve diffs or summaries instead of re-reading entire files, saving tokens and context space.
Install Node.js 20+, clone the repository, run npm install and npm run build. Configure it as an MCP server in Claude Desktop by adding the server definition with the ANTHROPIC_API_KEY environment variable (required only for summarize_file). Invoke the eight tools (write_file, read_file, append_log, read_log, list_files, delete_file, summarize_file, get_usage_stats) with an agent_id parameter.
`agent_id` is a plaintext tool parameter with no authentication; the server trusts the caller. It is safe for one‑user‑per‑server deployments (e.g., Claude Desktop), but **not** for multi‑tenant standby mode where untrusted callers share one SQLite file. Defense in depth includes SQL parameterization, path validation, size caps, and per‑agent quotas.
Node.js 20+ and a SQLite backend (bundled). An Anthropic API key is required only for `summarize_file`; the other seven tools work without one. Optionally set `SCRATCHPAD_DB_PATH` to override the default SQLite file location.
All data lives in a single SQLite file with tables for files, versions, log entries, summaries, and agent usage. Each `write_file` stores the full content of the new version (not deltas); diffs are computed on read by comparing two versions. Older versions are pruned when the 10‑version cap is exceeded.
1 MB per file write, 64 KB per log entry, 10 retained versions per file, 100 log entries per `read_log` page. Per‑agent quotas: 1000 files, 100k log entries, 100 MB total storage.
The caller always pays. In local installs, the user provides their own `ANTHROPIC_API_KEY`. In hosted deployments (e.g., Apify), each caller supplies their own API key per run. The other seven tools require no API key.
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