- Registry update
- Oct 13, 2026
Connect
remote$claude mcp add --transport http surface-contract https://penny-surface-contract.penny-mcamp.workers.dev/mcpHeaders
Nothing to configure — it works as is.
Security review
Review passedReviewed 1h ago.
- tools
- 4 tools scanned
- metadata
- scanned
No findings.
Tools
4list_surface_contracts
List the platform surface contracts published in Penny's free registry, with claim counts.
get_surface_contract
Get the machine-readable surface contract for a platform host (read/write semantics, pending states, rate limits, limits, idempotency, pagination completeness, data portability), each claim carrying its evidence and its verification status.
verify_surface
Run the anonymous conformance checks for a contract now and return verified / failed / unknown / manual / unsupported per claim.
contribute_discrepancy
Report a platform behaviour that contradicts a published claim, or a new claim, with evidence. Stored as pending; a published contract is never changed without independent verification.
More in Other
mcp-argocd
io.github.vish288
Argo CD MCP server (MCP 2026-07-28): status, sync, rollback, drift, AppSets; writes or read-only
Microsoft Entra SCIM
io.github.darrenjrobinson
Microsoft Entra SCIM 2.0 Provisioning API: user and group lifecycle, with a local mock.
Balford metalworking engineering answers
net.balford
Metal stamping, deep drawing and DFM answers from Balford's own published engineering pages.
Deep Agentic Core MCP
io.github.DeepAgentLabs
Unified MCP server for AgenticLens and Agentic Chaos capabilities.
sigelo
io.github.csigelo
Portable, offline-verifiable identity for AI agents: DID, challenges, attestations, bundles.
Workday
io.github.mindstone
Workday HCM MCP server for Model Context Protocol hosts — workers, profiles, organizations
Listing from the official MCP Registry.