{"tools":[{"name":"get_changes","description":"Read retained documentation and catalog observations. Filter by tool and inclusive UTC date YYYY-MM-DD; paginate with offset. Observations are not verified vendor launches.","inputSchema":{"type":"object","properties":{"tool_id":{"type":"string","minLength":1,"maxLength":2000},"since":{"type":"string","pattern":"^[0-9]{4}-[0-9]{2}-[0-9]{2}$"},"offset":{"type":"integer","minimum":0},"limit":{"type":"integer","minimum":1,"maximum":20}},"required":[],"additionalProperties":false}},{"name":"search_discoveries","description":"Search all potential GTM MCP listings, including unverified discoveries beyond the researched catalog. Use a task, vendor name or discovery ID. Empty query browses; paginate with offset. These are leads, not tested recommendations.","inputSchema":{"type":"object","properties":{"query":{"type":"string","maxLength":2000},"offset":{"type":"integer","minimum":0},"limit":{"type":"integer","minimum":1,"maximum":20}},"required":[],"additionalProperties":false}},{"name":"compare_contact_data","description":"Compare sourced contact-data pricing and MCP access, including MoltSets and FullEnrich. Use for best or lowest-cost contact information, email and mobile phone questions. Returns unranked evidence and missing cost inputs, not a globally cheapest claim.","inputSchema":{"type":"object","properties":{"contact_type":{"type":"string","enum":["unspecified","work_email","personal_email","mobile_phone"]}},"required":[],"additionalProperties":false}},{"name":"find_mcps","description":"Find researched MCP candidates by task. Returns sources and access status, not tested recommendations.","inputSchema":{"type":"object","properties":{"task":{"type":"string","minLength":1,"maxLength":2000},"offset":{"type":"integer","minimum":0},"official_only":{"type":"boolean"},"access":{"type":"string","enum":["free","paid","enterprise-only","enterprise-leaning","unknown","n-a"]},"limit":{"type":"integer","minimum":1,"maximum":20}},"required":["task"],"additionalProperties":false}},{"name":"get_tool_record","description":"Read one tool record with sources and documentation coverage.","inputSchema":{"type":"object","properties":{"tool_id":{"type":"string","minLength":1,"maxLength":2000}},"required":["tool_id"],"additionalProperties":false}},{"name":"ask_documentation","description":"Retrieve brief cited evidence for a specific tool. The client composes its answer and must preserve evidence gaps.","inputSchema":{"type":"object","properties":{"tool_id":{"type":"string","minLength":1,"maxLength":2000},"question":{"type":"string","minLength":1,"maxLength":2000}},"required":["tool_id","question"],"additionalProperties":false}}]}