CiteStamp
Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.
Open source Repository Open in the app JSON README (API)
About
Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.
Details
- Kind
- MCP servers
- Topic
- Government & public data
- Publisher
- com.citestamp
- Origin
- official
- Category
- ferramentas
- Transport
- http
- Version
- 1.1.0
- Last push
- 2026-08-31T04:32:07Z
- Repository state
- ativo
- License
- MIT
- Added
- 2026-08-29 03:01:02
- Updated
- 2026-08-31 05:00:07
- Origin id
com.citestamp/citestamp
README
# CiteStamp MCP server
Ground citations before your agent emits them.
[CiteStamp](https://citestamp.com) is a free citation-health tool for researchers: it
checks references against the public scholarly registries (Crossref, DataCite, OpenAlex)
and flags the ones that **do not resolve to a known work** or that **a publisher has
marked retracted**, the hallucinated-citation failure mode LLM users keep hitting.
This repo is the install guide for the **hosted MCP server** over CiteStamp's CC0
citation graph. There is nothing to build or run locally; the server is remote.
| | |
|---|---|
| Endpoint | `https://mcp.citestamp.com/mcp` |
| Transport | streamable-http |
| Protocol | `2025-06-18` |
| Auth | None. Anonymous at 10 requests/min per IP. An optional free key (email info@citestamp.com) raises that to 60/min; Pro to 600/min |
| Data | CC0 citation graph; human-signed and machine-inferred claims kept strictly apart |
## The five tools (all read-only)
- `what_supports` / `what_refutes`: typed edges bearing on a claim
- `what_cites` / `references_of`: the citing and cited works around a reference
- `edges_about`: edges on a topic
Every result carries its tier: **accountable** edges are signed by a human identity
(ORCID); **inferred** edges are machine-derived. Your agent can ask for signed-only.
## Add it to your client
No key is needed. Every snippet below works as written.
### Gemini CLI (extension)
```bash
gemini extensions install https://github.com/citestamp/mcp
```
Or add the server by hand in `~/.gemini/settings.json`:
```json
{ "mcpServers": { "citestamp": { "httpUrl": "https://mcp.citestamp.com/mcp" } } }
```
### Gemini Spark (custom app)
In the Gemini web app: Settings & help → Connected Apps → under "Custom apps for Spark"
click **Add a custom app** → enter `https://mcp.citestamp.com/mcp` → Next. Type `@` in a
prompt and pick CiteStamp to make Gemini use it. Custom apps need access to Gemini Spark
on a personal Google Account with Keep Activity on.
### Claude (claude.ai / Desktop)
Settings → Connectors → **Add custom connector** → URL `https://mcp.citestamp.com/mcp`.
Leave authentication empty.
### Claude Code
```bash
claude mcp add --transport http citestamp https://mcp.citestamp.com/mcp
```
### Cursor (`~/.cursor/mcp.json`)
```json
{ "mcpServers": { "citestamp": { "url": "https://mcp.citestamp.com/mcp" } } }
```
### Cline (MCP settings)
```json
{ "mcpServers": { "citestamp": {
"type": "streamableHttp",
"url": "https://mcp.citestamp.com/mcp" } } }
```
### VS Code (`.vscode/mcp.json`)
```json
{ "servers": { "citestamp": {
"type": "http",
"url": "https://mcp.citestamp.com/mcp" } } }
```
If a snippet drifts from your client's current config schema, your client's MCP docs
win; the endpoint is the stable part.
## Optional: raise the rate limit
A key is never required. If you hold one, send it as a header on the same endpoint:
```
Authorization: Bearer <your key>
```
For Claude Code that is `--header "Authorization: Bearer <your key>"`; for the JSON
configs, add `"headers": { "Authorization": "Bearer <your key>" }` to the server entry.
A bad key is a loud 401, never a silent downgrade to anonymous, so add the header only
once you have a key.
## What this is not
CiteStamp reports what public registries say at a dated point in time. It does not
judge the truth or quality of any work, and its only verdict vocabulary is
"does not resolve to a known work" and "marked retracted by the publisher".
Statements about works, never about people.
## Links
- Integration guide + REST API: https://citestamp.com/for-ai
- Check a bibliography in the browser (free, nothing uploaded): https://citestamp.com/check
- Reference-health badge for any DOI: https://citestamp.com/citestamped/<doi>
- Privacy: https://citestamp.com/privacy · Contact: info@citestamp.com
CiteStamp is built by 3Rivers Enterprises LLC, Fort Wayne, Indiana.