once-kernel
01MCP server Claude CodeCodexCursor
Enterprise idempotency kernel — side effects under retries run once. Runs locally from the once-kernel Python package.
0 20d ago A
tokens not measured
original Apache-2.0
seal
02MCP server Claude CodeCodexCursor
Exactly-once admission for irreversible agent actions, world-confirmed settlement, and effect graphs with compensating seals — on a shared Postgres, with a tamper-evident certificate chain. Runs locally from the seal-kernel Python package.
0 5d ago A
tokens not measured
effectfence
03MCP server Claude CodeCodexCursor +2
Stops agents double-firing side effects: 1,000 racing duplicates, exactly one execution. Runs locally from the effectfence npm package.
0 3d ago A
tokens not measured
original MIT