Echo is a lightweight MCP server that enables AI agents to emit structured, schema-validated messages through tool call returns. It exposes three tools — list_schemas, get_schema, and echo — for discovering schemas, retrieving their definitions, and validating payloads using JSON Schema and Zod validation.
Cognium trust score
65%
Tier
Scanned
Composite of vulnerability cleanliness, spec conformance, provenance, stability, and usage signals — scanned and weighted by Cognium. Human and agent signals are tracked separately.
Last scanned 2026-09-01.
Returns 7 tools: search_skills, get_skill, list_leaderboard, get_trust_breakdown, resolve_composition, plus the ChatGPT-connector search and fetch. Every tool is annotated read-only.
Resolve this skill directly via MCP tools/call get_skill.