Exactlane Preflight
The check before the call.
Caller-specific static compatibility evidence for autonomous agents evaluating an MCP capability before relying on it.
Exactlane helps an agent answer: does this exact declared MCP capability fit my bounded workflow requirements? before integration.
Problem it addresses
Before an autonomous agent depends on an external MCP capability, it often needs a pre-integration compatibility check:
- compare a caller-provided capability snapshot to caller-specific requirements;
- obtain static compatibility evidence (not live probing);
- keep the operational decision with the caller.
Exactlane Preflight is a Phase 0A public service for that workflow.
Use when
An agent has a caller-provided MCP capability snapshot and needs to determine whether that exact declared capability fits its own bounded workflow requirements.
Does not prove
- live availability
- full MCP conformance
- business-result correctness
- provider trust
- security certification
- payment success
Exactlane Preflight is primarily a REST evidence service with a thin remote MCP adapter at /mcp. It is not an A2A agent, marketplace, or certification authority.
Live machine contract
Canonical public discovery origin:
Snapshots of these documents are mirrored in discovery/ so they can be read and diffed here. The live endpoints above are authoritative; the snapshots are regenerated from the deployed commit.
Notes
Scope of this repository
Public discovery anchor and reference notes.
Source implementation is not part of this public discovery repository.
Official MCP Registry
Primary tool: check_mcp_capability (adapter over Exactlane Phase 0A; no live probing; caller owns CONTINUE/UPDATE/HOLD).