Side-by-Side Model Context Protocol Comparison
Data Pa vs Mychem
In-depth architectural comparison of the Data Pa and Mychem MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Data Pa
Developer Tools · Local stdio
Quality: 43/100 (Fair) | Auth: No auth required
Mychem
Developer Tools · Local stdio
Quality: 39/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Data Pa if you need specialized Developer Tools tools running via a local process. Choose Mychem if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
D
Choose Data Pa when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: datasets, query, metadata.
M
Choose Mychem when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: query, chem, metadata.
Feature & Specification Comparison
Tools & Capabilities Breakdown
Data Pa Tools (3)
datasets
Search the Pennsylvania Open Data catalog of open datasets by keyword. Returns each dataset's resource_id, name, description, category and update date — pass the resource_id to query/metadata.
query
Run a Socrata SoQL query against a Pennsylvania Open Data dataset by resource_id (e.g. "mcba-yywm"). Filter with where/select/group/order (SoQL clauses, without the leading $) plus limit/offset. Returns matching rows as JSON.
metadata
Get a Pennsylvania Open Data dataset's schema + metadata (columns, types, row count, category, last-updated) by resource_id, e.g. "mcba-yywm".
Mychem Tools (3)
query
Search MyChem.info for drugs / chemical compounds. Accepts a plain drug name ("aspirin"), an InChIKey, or a fielded query (e.g. "chembl.pref_name:aspirin", "drugbank.name:Acetylsalicylic acid"). Returns aggregated hits with cross-references to ChEMBL, DrugBank, PubChem, ChEBI, DrugCentral, etc. Use…
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Data Pa Configuration
Mychem Configuration