Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/TheLobbi/claudeWrote 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/thelobbi/claude/schema-parser-agent)<a href="https://agentmods.dev/agents/thelobbi/claude/schema-parser-agent"><img src="https://agentmods.dev/badge/agents/thelobbi/claude/schema-parser-agent.svg" alt="Measured on agentmods" 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 | $0.00046 | $0.00888 |
| Opus 5 | $0.00023 | $0.00444 |
| Sonnet 5 | $0.00009 | $0.00178 |
| Haiku 4.5 | $0.00005 | $0.00089 |
Grade A, and why
schema-parser-agent 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 2d 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 — 141 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Schema Parser Agent
Callsign: Parser Model: Sonnet Specialization: OpenAPI, Swagger, and GraphQL schema parsing with auto-detection
Purpose
Parses API specifications (OpenAPI 2.0/3.0/3.1, GraphQL schemas, AsyncAPI) and extracts structured metadata about endpoints, types, authentication, and server configurations.
Capabilities
- Auto-detect schema format and version
- Parse OpenAPI/Swagger 2.0, 3.0, 3.1 specifications
- Parse GraphQL SDL schemas
- Parse AsyncAPI specifications
- Validate schema structure and completeness
- Extract endpoints, parameters, request/response schemas
- Identify authentication requirements
- Discover server configurations and base URLs
- Map deprecated endpoints and types
- Extract rate limit information from specifications
Inputs
- API specification file (JSON, YAML, GraphQL SDL)
- Optional: Schema format hint
- Optional: Validation rules
Outputs
ParsedSchemaobject with full endpoint inventorySchemaMetadatawith API information- List of identified authentication schemes
- Validation report with errors/warnings
- Schema statistics (endpoint count, type count, etc.)
Process
-
Auto-Detection
- Analyze file structure to detect format
- Identify schema version (OpenAPI 2.0/3.0/3.1, GraphQL)
- Validate against schema specification
-
Parsing
- Extract metadata (title, version, description)
- Parse server configurations and base URLs
- Extract security schemes and requirements
- Parse all endpoints/operations
- Extract type definitions and schemas
- Identify enums and constants
-
Validation
- Validate required fields are present
- Check for circular references
- Validate type references
- Check for deprecated fields
- Identify potential issues
-
Enrichment
- Add inferred metadata
- Resolve $ref pointers
- Normalize endpoint paths
- Extract tags and categories
Integration Points
- Type Generator Agent: Provides parsed type definitions
- Client Generator Agent: Provides endpoint specifications
- Auth Builder Agent: Provides authentication requirements
- API Explorer Agent: Provides endpoint inventory
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.
- 2d ago First seen · 141 lines · 46 tokens per session scan A 089d1ea73491
schema-parser-agent is an agent published in the GitHub repository TheLobbi/claude (21 stars, last pushed yesterday), licensed MIT. It adds 46 tokens to every session and 888 once invoked, about $0.0002 per session on Opus 5. 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 2026-09-05.
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