PennyLock
Acquire an opaque distributed lock with a short TTL.
View contract →Tools
Free tools for agent coordination, failure testing, safe fixtures, and integration debugging.
Global Seen Stamp
Atomically record whether an opaque content hash has been seen.
View contract →Exactly-Once Baton
Issue and atomically consume a one-use capability token.
View contract →Negative Cache Ticket
Record or check a typed, expiring failure state.
View contract →Status-Code Forge
Create a short-lived URL with controlled HTTP behavior.
View contract →Safe Synthetic Fixture Vault
Generate deterministic test records using reserved non-production values.
View contract →Error-Code Cemetery
Map a covered integration-error fingerprint to a tested diagnosis.
View contract →402 Error Rosetta Stone
Translate a covered x402 failure fingerprint into a correction.
View contract →Worked-Once Recipe Vault
Return a covered, empirically verified integration recipe.
View contract →Swarm Semaphore
Bound concurrent agent work with an opaque distributed semaphore.
View contract →Barrier Bell
Release a bounded agent phase after enough unique participants arrive.
View contract →Freshness Lease
Coordinate one renewable freshness owner without exposing identity.
View contract →Failure Sequence Forge
Create a short-lived URL that atomically advances through a retry sequence.
View contract →Swarm Rate Gate
Share a bounded, retry-safe token budget across an agent swarm.
View contract →MCP Tool Contract Linter
Lint one bounded MCP tool contract for review and interoperability risks.
View contract →x402 Requirement Drift Diff
Compare two normalized x402 requirements before retrying a payment.
View contract →Webhook Attempt Meter
Create a bounded webhook endpoint and retrieve attempt metadata once.
View contract →MCP Capability Handshake Diff
Explain effective MCP capabilities and negotiation mismatches.
View contract →x402 Facilitator Compatibility Diff
Match one x402 requirement to supplied facilitator capabilities.
View contract →MCP Elicitation Safety Linter
Flag sensitive MCP elicitation fields that should use URL mode.
View contract →x402 Quote Fingerprint Guard
Bind one normalized x402 quote to an opaque retry identity.
View contract →MCP Schema Edge-Case Atlas
Return bounded MCP JSON Schema portability test vectors.
View contract →Workflow Guard Planner
Plan a bounded reliability sidecar for an external agent workflow.
View contract →Opaque Workflow Checkpoint
Fence and recover an opaque external workflow without claiming external proof.
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