openevidence-mcp: Skill for Claude Code

.claude/skills/install/SKILL.md

install is a skill for Claude Code from htlin222/openevidence-mcp. It costs 129 tokens per session (1,035 once invoked), scanned A, original, Apache-2.0.

A machine setup tool for openevidence-mcp, a server that connects coding agents to OpenEvidence. It handles installing, updating, checking, cleaning up, and removing that server.

In plain words
What is it for?
Use it to install or update openevidence-mcp, register or unregister it with Claude or Codex, check whether it works, and clear leftover background processes.
Why use it?
It keeps setup and removal steps in one place and follows the project's standard install process. It also tells you when a browser extension must be reloaded manually.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths; mentions Codex.

This is htlin222/openevidence-mcp's own configuration. It tells Claude Code how to work on openevidence-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything openevidence-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to htlin222/openevidence-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.

Copy the file
curl -O https://raw.githubusercontent.com/htlin222/openevidence-mcp/main/.claude/skills/install/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/htlin222/openevidence-mcp

Made for: Claude Code.

Wrote 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.

agentmods badge for install

README.md
[![agentmods](https://agentmods.dev/badge/skills/htlin222/openevidence-mcp/install.svg)](https://agentmods.dev/skills/htlin222/openevidence-mcp/install)
Your own site
<a href="https://agentmods.dev/skills/htlin222/openevidence-mcp/install"><img src="https://agentmods.dev/badge/skills/htlin222/openevidence-mcp/install.svg" alt="Measured on agentmods" height="20"></a>
Per session 129 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,035 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00129 $0.01035
Opus 5 $0.00064 $0.00517
Sonnet 5 $0.00026 $0.00207
Haiku 4.5 $0.00013 $0.00103

Measured 9d ago against content hash 12d2a383947e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

install scanned grade A with 1 finding 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 9d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/oe-mcp.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Then verify: `curl -s http://127.0.0.1:8787/health` → expect `"connected":true`.
.claude/skills/install/SKILL.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

openevidence-mcp — install / update / cleanup / uninstall

One skill to set up, update, and tear down openevidence-mcp on this machine. Everything here wraps the repo Makefile, so it stays in sync with the canonical install flow — the skill never reimplements it.

The single entry point is scripts/oe-mcp.sh (a thin dispatcher over make). Run the subcommand that matches the user's intent, then read the printed guidance back to them — especially the reload the browser extension step, which is a chrome:// GUI action that cannot be scripted.

Pick the action

User wants… Run
First-time setup scripts/oe-mcp.sh install
Update to the latest release scripts/oe-mcp.sh update
Check it's working scripts/oe-mcp.sh status
Reap stray daemons / free stale state scripts/oe-mcp.sh cleanup
Remove it scripts/oe-mcp.sh uninstall

Invoke the script by its path from the skill directory, e.g.:

bash "$CLAUDE_SKILL_DIR/scripts/oe-mcp.sh" update

If $CLAUDE_SKILL_DIR is not set, use the repo path directly: .claude/skills/install/scripts/oe-mcp.sh <command>.

What each action does (all via make)

  • installmake all: installs deps, builds the MCP server (dist/server.js) and the relay extension (extension/dist), and registers the server into Claude and Codex (whichever CLI is present). If run outside a checkout, it clones the repo to $HOME/openevidence-mcp first (override with OE_MCP_DIR).
  • updatemake update: git pull the latest release, rebuild server + extension, re-register. Prints the extension-reload reminder.
  • statusmake status: server + extension versions, live relay /health, and whether the CLIs have it registered.
  • cleanupmake cleanup: reaps orphan relay daemons (keeps the live one), prunes oversized relay logs and temp answer artifacts. Non-destructive — your install, registration, and ~/.openevidence-mcp data are untouched. The relay auto-respawns on the next MCP call.
  • uninstallmake uninstall: unregisters from the AI CLIs, stops daemons, removes dist/. Deliberately keeps ~/.openevidence-mcp (your SQLite db + config) and the loaded browser extension — the skill should tell the user the two manual commands to fully wipe those, and only run them if explicitly asked.

Read the full file on GitHub · 79 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. 9d ago First seen · 79 lines · 129 tokens per session scan A 12d2a383947e

Subscribe to this mod's changes

install is a skill published in the GitHub repository htlin222/openevidence-mcp (71 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 129 tokens to every session and 1,035 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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