openevidence-mcp

Unofficial OpenEvidence MCP server — query OpenEvidence from Claude Code, Codex, and any MCP client through your own logged-in browser tab (no API key). Fire-and-forget asks, a shared relay daemon for concurrent sessions, BibTeX + Crossref citations.

→ htlin222/openevidence-mcp · listed on github_topic

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

github_topic Glama

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: CRX_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretCRX_KEY

configOE_MCP_ARTIFACT_DIR— Completed oe_ask / oe_article_get calls save artifacts under ${}/<article_id>/ (default OS temp dir + openevidence-mcp; on macOS, /tmp may resolve under /var/folders/.../T/):

configOE_MCP_AUTH_STATE_PATH

configOE_MCP_BASE_URL

configOE_MCP_COOKIES_PATH— ./cookies.json if present, else ~/.openevidence-mcp/auth/cookies.json Cookie file (legacy/optional path)

configOE_MCP_CROSSREF_MAILTO— unset Optional Crossref polite-pool email

configOE_MCP_CROSSREF_VALIDATE— 1 Set 0 to skip Crossref validation

configOE_MCP_FINGERPRINT_PATH— ./openevidence-fingerprint.json if present Browser signature fingerprint (legacy path)

configOE_MCP_POLL_INTERVAL_MS— 1200 Poll interval when waiting for an answer

configOE_MCP_POLL_TIMEOUT_MS— 180000 Default poll timeout

configOE_MCP_PYTHON— The same pipeline is exposed as the oe_collections_ MCP tools (the TS server shells out to scripts/collection_sort.py via python3, overridable with ).

configOE_MCP_RELAY— 1 Set 0 to disable the relay entirely

configOE_MCP_RELAY_LOG_PATH— ~/.openevidence-mcp/relay.log Relay daemon log file

configOE_MCP_RELAY_PID_PATH— ~/.openevidence-mcp/relay.pid Relay daemon pidfile

configOE_MCP_RELAY_PORT— 8787 Relay port (must match the extension)

configOE_MCP_RELAY_TRANSPORT— DataDome 403 on the legacy cookie path? See [Doctor](#doctor-legacy-cookie-path) below — relevant only when =off.

configOE_MCP_ROOT_DIR

configOE_BASE_URL

configOE_COOKIES

configOE_ARTIFACT_DIR

configOE_CROSSREF_MAILTO

configOE_MCP_DB_PATH— ~/.openevidence-mcp/db/oe.sqlite Local SQLite mirror used by the collections tools

configOE_MCP_LEGACY_ACCOUNT— legacy Label for pre-v2 rows on DB account migration

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/htlin222-openevidence-mcp-121heo)](https://m8ven.ai/mcp/htlin222-openevidence-mcp-121heo)

commit: 90e8816fe199eba1e72c252e95e065c1da8fd484

code hash: 87769dd9e0169c0b55eaf69da1ed00a50f5e113edec381df6a538bfd00397b89

verified: 6/20/2026, 9:07:02 AM

view raw JSON →