MCP server with a context ledger: cryptographically signed receipts of exactly which file versions the model was shown. Honest benchmarks: no real-world token savings (-1.4% measured); ~72% applies only to a synthetic re-read loop.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add lossless-context -- npx -y lossless-context-mcp~/.codex/config.toml
[mcp_servers.lossless-context]
command = "npx"
args = ["-y", "lossless-context-mcp"]
# codex mcp add lossless-context -- npx -y lossless-context-mcp~/.cursor/mcp.json
{
"mcpServers": {
"lossless-context": {
"command": "npx",
"args": [
"-y",
"lossless-context-mcp"
]
}
}
}.vscode/mcp.json
{
"servers": {
"lossless-context": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"lossless-context-mcp"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"lossless-context": {
"command": "npx",
"args": [
"-y",
"lossless-context-mcp"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"lossless-context": {
"command": "npx",
"args": [
"-y",
"lossless-context-mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"lossless-context": {
"command": "npx",
"args": [
"-y",
"lossless-context-mcp"
]
}
}
}