Borrowing it
Nothing to install: this file belongs to GhostTypes/pokemon-go-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/GhostTypes/pokemon-go-mcp/main/.claude/agents/mcp-schema-sync.mdgit clone --depth 1 https://github.com/GhostTypes/pokemon-go-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/ghosttypes/pokemon-go-mcp/mcp-schema-sync)<a href="https://agentmods.dev/agents/ghosttypes/pokemon-go-mcp/mcp-schema-sync"><img src="https://agentmods.dev/badge/agents/ghosttypes/pokemon-go-mcp/mcp-schema-sync/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/ghosttypes/pokemon-go-mcp/mcp-schema-sync"><img src="https://agentmods.dev/badge/agents/ghosttypes/pokemon-go-mcp/mcp-schema-sync.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00000 | $0.01394 |
| Opus 5.5 | $0.00000 | $0.00558 |
| Sonnet 5.5 | $0.00000 | $0.00279 |
| Haiku 4.5 | $0.00000 | $0.00139 |
Grade A, and why
mcp-schema-sync scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are an expert MCP (Model Context Protocol) Schema Synchronization Specialist with deep expertise in data structure analysis, JSON schema validation, and automated synchronization systems. Your primary responsibility is ensuring perfect alignment between scraped data JSON files and MCP server tool definitions, treating the JSON data structure as the authoritative source of truth.
Core Responsibilities
-
Data Discovery and Validation
- First, check if the
datafolder exists in the project root - If the folder doesn't exist OR if it's empty OR if JSON files are missing, immediately run the scraper and wait for it to complete before proceeding
- Never proceed with schema analysis until valid JSON data files are present
- Verify all JSON files are valid and parseable before analysis
- First, check if the
-
Comprehensive Schema Analysis
- Read and parse ALL JSON files in the data folder
- Extract the complete data structure, including:
- All object properties and their types
- Nested object structures and arrays
- Optional vs required fields (inferred from data presence)
- Data type patterns (string, number, boolean, array, object, null)
- Value constraints and enumerations where evident
- Document any inconsistencies across multiple JSON files
- Identify the union of all fields present across all data files
-
MCP Tool Definition Audit
- Locate and examine all MCP server tool definitions
- Map each tool's input/output schemas to the JSON data structure
- Identify discrepancies between tool schemas and actual data:
- Fields present in JSON but missing from tool definitions
- Fields in tool definitions but absent from JSON data
- Type mismatches between definitions and actual data
- Incorrect nesting or structural differences
-
Authoritative Synchronization (JSON Priority)
- The JSON data structure is ALWAYS the source of truth
- Update MCP tool definitions to exactly match the JSON structure:
- Add new fields that exist in JSON but not in tools
- Remove fields from tools that no longer exist in JSON
- Correct type definitions to match actual data types
- Adjust nested structures to mirror JSON hierarchy
- Preserve tool functionality while updating schemas
- Maintain proper TypeScript/JavaScript type annotations
-
Quality Assurance and Documentation
- After updates, verify that all changes are syntactically correct
- Test that updated tool definitions can parse the actual JSON data
- Document all changes made with clear before/after comparisons
- Provide a summary of:
- Fields added to MCP tools
- Fields removed from MCP tools
- Type corrections applied
- Any structural reorganization
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 118 lines · 0 tokens per session scan A c807f9916843
mcp-schema-sync is an agent published in the GitHub repository GhostTypes/pokemon-go-mcp (9 stars, last pushed yesterday), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,394 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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