Portolan MCP server

Read from the package source without running it. The installed server may list more.

• chart.export

  Export the province's whole machine layer as one self-describing adjacency document (format

• chart.neighborhood

  One vessel's fairway neighborhood in one deterministic call: the charted fairways touching it out to the

• chart.read

  Read the Chart (Padrón) of the province: the machine index entries as stored under <target>/.portolan/chart/index.jsonl.

• chart.render

  Render the Chart Room — the one-file byproduct export of the Chart at <target>/.portolan/chart-room.html:

• chart.writewrite action

  Write the Chart (full-replace semantics): validates every entry — anchors and a trust label are mandatory,

• expeditions.decide

  Record the Governor's decision on a proposal from expeditions.propose — accepted or declined. Appends to

• expeditions.propose

  The Harbor Master: compute the expedition-proposal queue from deterministic state — vessels marked

• log.append

  Append one receipt to the ship's log (<target>/.portolan/log.jsonl): command identity, scope, outcome.

• log.read

  Read the ship's log: one receipt by id, or all receipts matching a filter. Receipt ids are chart-anchorable.

• manifests

  Cheap deterministic facts from one manifest file (go.mod, pom.xml, package.json, Cargo.toml, pubspec.yaml):

• sound.anchor

  Deterministic verification that an anchor cited by a chart entry resolves: file anchors (existence, range,

• sound.edge

  Deterministic verification of an asserted fairway between two charted vessels: a manifest-declared dependency

• sweep

  ripgrep-backed pattern search over the province. Returns one anchored chunk per match (path, line, matched text,

• symbols

  ctags-backed symbol lookup: definitions (name, kind, path, line) and, when requested, references corroborated

• trust.report

  One-call verification summary of the province: the trust-label distribution, the per-kind counts, the

• Code scan54 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 5 days ago15/15
• Maintainer identityregistry namespace matches repository owner7/10

Safety score

91/100

higher than 90% of 2,174 E-commerce servers

Tools

15

the typical E-commerce server has 6

Tools that change things

7%

typical: 0%. Fewer write tools means less an agent can break

GitHub stars

1

more than 65% of 1,047 E-commerce servers

Downloads a week

85

more than 65% of 411 E-commerce servers with a package

Portolan: common questions

Is Portolan MCP server safe?

Yes, by our scan: it is graded A (91/100). Read the Portolan safety report

How do I install Portolan?

It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.

Does Portolan need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Portolan maintained?

The last commit was 24 days ago (2026-10-11). The latest release is v0.7.0.

What can I use instead of Portolan?

Servers from other publishers that do the same job: Apify MCP server, Mneme Memory MCP server and Heimdall MCP server.

How does Portolan compare with other E-commerce MCP servers?

safety score 91/100 (higher than 90% of 2,174 E-commerce servers); tools 15 (the typical E-commerce server has 6); tools that change things 7% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.