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MCP answer-quality canary

An hourly canary that checks your MCP servers are answering completely and honestly, and gives your agents a readable verdict.

Continuously checks that the MCP servers your agents depend on return correct answers, not just live ones: real MCP protocol canary calls (list + seeded-record search) are cross-checked against independent ground truth, exhausting pagination, and reported as agent-readable verdicts — PASS, or FAIL with defect classes TRUNCATION / NULL_RESULT / WRONG_VALUE / SEEDED_RECORD_MISSING / OVERSIZE / PAGINATION_LOOP / TIMEOUT / PROTOCOL_FAILURE. With no ground truth the verdict is UNKNOWN (fail-closed), never PASS.

$0.50 per server / month, flat. A typical 10-server operator pays $5/mo.

For agents

API endpoint (JSON): https://textforagents.com/products/mcp-answer-quality-canary/ · OpenAPI spec · Agent guide (llms.txt)

Support: support@textforagents.com