Is io.github.Orphograph/orphograph safe to use?

io.github.Orphograph/orphograph has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.

How do I install io.github.Orphograph/orphograph?

io.github.Orphograph/orphograph supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.Orphograph/orphograph do?

io.github.Orphograph/orphograph provides 3 tools: Architecture, Pricing, License. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.Orphograph/orphograph?

io.github.Orphograph/orphograph is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is io.github.Orphograph/orphograph actively maintained?

io.github.Orphograph/orphograph is actively maintained - last commit was 1 day ago.

io.github.Orphograph/orphograph

orphograph-mcp

Anchor a file's SHA-256 fingerprint to Bitcoin. The file never leaves the device.

3 tools GitHub PyPI

No known CVEs

MIT license

Actively maintained

Last commit 1d ago

Works with most clients

Transport: stdio, http

3 tools · ~99 tok

Grade A · 0.0% of 200K ctx

MCPpedia last refreshed this data 1d ago

Edit this pageView history

io.github.Orphograph/orphograph is an MCP server that anchor a file's SHA-256 fingerprint to Bitcoin. The file never leaves the device. Its tool list has not been published yet over stdio and http, requires no API key, and scores 87/100 on MCPpedia's security, maintenance and efficiency rubric.

Finance

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-orphograph-orphograph": {
      "args": [
        "orphograph-mcp"
      ],
      "command": "uvx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-orphograph-orphograph)](https://mcppedia.org/s/io-github-orphograph-orphograph)

Read me

What io.github.Orphograph/orphograph does

Anchor a file's SHA-256 fingerprint to Bitcoin. The file never leaves the device.

Test This Server

This server supports HTTP transport. Be the first to test it - help the community know if it works.

Loading README…

Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

87/100across 5 weighted dimensions

How we score →

0255075100

−13

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked orphograph-mcp against OSV.dev.

Inventory

Tools (3)

Click any tool to inspect its schema.

~99 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience - it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.Orphograph/orphograph safe to use?: io.github.Orphograph/orphograph has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
How do I install io.github.Orphograph/orphograph?: io.github.Orphograph/orphograph supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.Orphograph/orphograph do?: io.github.Orphograph/orphograph provides 3 tools: Architecture, Pricing, License. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.Orphograph/orphograph?: io.github.Orphograph/orphograph is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is io.github.Orphograph/orphograph actively maintained?: io.github.Orphograph/orphograph is actively maintained - last commit was 1 day ago.

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Community

Discussion

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Finance

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-orphograph-orphograph": {
      "args": [
        "orphograph-mcp"
      ],
      "command": "uvx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-orphograph-orphograph)](https://mcppedia.org/s/io-github-orphograph-orphograph)

Read me

What io.github.Orphograph/orphograph does

Anchor a file's SHA-256 fingerprint to Bitcoin. The file never leaves the device.

Test This Server

This server supports HTTP transport. Be the first to test it - help the community know if it works.

README

orphograph

Bitcoin-anchored receipts that a relying party can verify without the issuer. Checking a file against its saved proof needs only the MIT verifier in this repository, with no account and no network call; confirming the timestamp against Bitcoin needs any OpenTimestamps client and a Bitcoin node, not Orphograph. The service can be unreachable or gone. It is for photographers, journalists, indie creators, and developers who need to prove a file existed before a given moment, especially before an AI model saw it, and anchoring a file takes about ten seconds. Files never leave the browser: only their fingerprints are sent, and only the 32-byte SHA-256 is committed to Bitcoin. Free tier (3 anchors every 24 hours), $5 Writer Pack (25 anchors), $20 Pack of Two Hundred (200 anchors), $9/mo Standing Order (unrestricted anchoring, private receipts, vault, API).

Quick demo

Four steps a developer can run from a terminal, no signup, no install beyond curl and shasum.

Compute the SHA-256 of any file on disk:

shasum -a 256 ~/Pictures/my-photo.jpg
# → 3f8c1b...  my-photo.jpg

Submit the hash to the public anchor endpoint:
```
curl -sS -X POST https://orphograph.com/api/anchor \
     -H "Content-Type: application/json" \
     -d '{"hash_hex":"<paste the 64-char hex digest>"}'
```
The response is a JSON receipt with a receipt_id and a list of the OpenTimestamps calendars that accepted the submission.

Pull the receipt back later by ID (or visit /r/<id>):

curl -sS https://orphograph.com/api/verify/<receipt_id>

Verify offline against the original file with the standalone verifier (no orphograph code, MIT, ~100 lines of stdlib Python):
```
# Single file with an inclusion proof:
python3 dist/orphograph-verify/verify.py file \
    --file ~/Pictures/my-photo.jpg \
    --proof receipts/<receipt_id>/proof.json
# Whole folder against its manifest:
python3 dist/orphograph-verify/verify.py folder \
    --dir ~/Pictures/evidence \
    --manifest receipts/<receipt_id>/manifest.json
```
The verifier re-hashes the file (or walks the folder) locally and confirms the result reproduces the manifest's root. Add --ots <path>.ots to also invoke the OpenTimestamps client and check the chain witness references the same root.

MCP server (Model Context Protocol)

Orphograph ships an MCP server: a single stdlib-only Python file (682 lines, MIT) that implements the Model Context Protocol — JSON-RPC 2.0 over stdio, protocol version 2024-11-05, with the initialize, tools/list, and tools/call methods implemented directly, no SDK — so AI agents and MCP hosts (Claude Code, Claude Desktop, or any MCP client) can anchor and verify files as tool calls.

Listed in the official MCP registry as io.github.Orphograph/orphograph.

MCP tools exposed (full JSON Schemas in mcp/manifest.json):

Tool	What it does
`orphograph_anchor_file`	Hash a local file (SHA-256/SHA-512 computed in-process) and anchor the fingerprints to Bitcoin via OpenTimestamps. The file body never leaves the machine.
`orphograph_anchor_folder`	Build an RFC-6962 Merkle manifest over a folder and anchor one root that covers every file.
`orphograph_anchor_output`	Anchor an AI agent's generated output at creation time — provenance receipts for agent actions.
`orphograph_verify_receipt`	Look up what this office recorded for a receipt: anchored hashes, calendar attestation counts, and when the Bitcoin pin was observed. A lookup, not an independent chain check — run `ots verify` for that. No API key required.
`orphograph_verify_lineage`	Walk an edit-lineage chain back through its committed parents and report the ordering the anchors establish.
`orphograph_list_vault`	List the authenticated subscriber's anchored receipts.
`orphograph_anchor_run`

... View full README on GitHub

Loading README…

Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

87/100across 5 weighted dimensions

How we score →

0255075100

−13

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked orphograph-mcp against OSV.dev.

Inventory

Tools (3)

Click any tool to inspect its schema.

~99 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience - it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.Orphograph/orphograph safe to use?: io.github.Orphograph/orphograph has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
How do I install io.github.Orphograph/orphograph?: io.github.Orphograph/orphograph supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.Orphograph/orphograph do?: io.github.Orphograph/orphograph provides 3 tools: Architecture, Pricing, License. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.Orphograph/orphograph?: io.github.Orphograph/orphograph is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is io.github.Orphograph/orphograph actively maintained?: io.github.Orphograph/orphograph is actively maintained - last commit was 1 day ago.